Folding eBike Battery Packs

Junda is a leading supplier of folding eBike battery solutions, delivering compact, high-performance power systems for integrated bike designs. As one of China’s trusted battery manufacturers, we combine certified quality with competitive pricing. Backed by over 10 years of industry experience, we’re ready to support your brand with reliable, customizable battery packs tailored for urban mobility and compact frame requirements.

Your One-Stop Folding eBike Battery Partner

Junda is your reliable destination for custom folding eBike batteries designed to meet your unique requirements. Our product range covers a wide variety of built-in battery pack solutions, compatible with compact frames, internal mounting, and foldable structures. Whether you need specific dimensions, BMS settings, or connector types, our engineering expertise and flexible production can deliver the right battery solution for your eBike project—efficiently and reliably.

Reention Folding Electric Bike Battery Pack Model List

JD-006FZ Folding Ebike Battery 410 (36V / 48V) – Compact Foldable Electric Bike Battery

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V13AhDMEGC 260010S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhDMEGC 300010S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhDMEGC 320010S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.5AhSamsung 35E13S3P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-006FZ Folding Ebike Battery 430 (36V / 48V) – Compact Foldable Electric Bike Battery

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhDMEGC 260010S4P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V13AhDMEGC 260010S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhDMEGC 300010S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhDMEGC 320010S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhDMEGC 260013S4P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhDMEGC 300013S4P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhDMEGC 320013S4P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-009FZ 18650 Folding Ebike Battery (36V / 48V / 52V) – High Capacity Foldable Electric Bike Battery

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V18.2AhDMEGC 260010S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V21AhDMEGC 300010S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V22.4AhDMEGC 320010S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V24.5AhSamsung 35E10S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V13AhDMEGC 260013S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V15AhDMEGC 300013S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V16AhDMEGC 320013S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V17.5AhSamsung 35E13S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V14AhSamsung 35E14S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V16AhDMEGC 320014S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V17.5AhSamsung 35E14S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-051FZ 18650 Folding Ebike Battery (36V / 48V / 52V) – Flat Head Large Case for Foldable Electric Bikes

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V18.2AhDMEGC 260010S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V21AhDMEGC 300010S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V22.4AhDMEGC 320010S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V24.5AhSamsung 35E10S7P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V13AhDMEGC 260013S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V15AhDMEGC 300013S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V16AhDMEGC 320013S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V17.5AhSamsung 35E13S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V14AhSamsung 35E14S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V16AhDMEGC 320014S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V17.5AhSamsung 35E14S5P5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-108FZ 21700 Folding Ebike Battery (48V / 52V) – Large Case for Foldable Electric Bikes

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
48V20AhEVE 2170013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V20AhEVE 2170014S4P / 56 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V20AhSamsung 50GB 2170013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V20AhSamsung 50GB 2170014S4P / 56 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-131FZ 21700 Folding Ebike Battery (48V / 52V) – Top-Strap Large Case for Foldable Electric Bikes

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
48V20AhEVE 2170013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V20AhEVE 2170014S4P / 56 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V20AhSamsung 50GB 2170013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
52V20AhSamsung 50GB 2170014S4P / 56 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-003FZ Folding Ebike Battery | Lightweight Folding Electric Bike Battery Pack (36V / 48V)

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhDMEGC 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12AhDMEGC 300010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12.8AhDMEGC 320010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V14AhSamsung 35E10S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.5AhSamsung 35E13S3P / 39 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-014FZ Folding Electric Bike Battery | Compact & Portable Foldable E Bike Battery (390×87×40mm)

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V7.8AhDMEGC 260010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V10.4AhDMEGC 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12AhDMEGC 300010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12.8AhDMEGC 320010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V14AhSamsung 35E10S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-014FZ Best Folding E Bike Battery | Mini Lightweight Foldable Electric Bicycle Battery (330×87×40mm)

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V7.8AhDMEGC 260010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9AhDMEGC 300010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9.6AhDMEGC 320010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V10.5AhSamsung 35E10S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-015FZ Folding Electric Bike Battery | Compact & Portable Foldable E Bike Battery (430×100×40mm)

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V13AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhChinese Brand 320010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhChinese Brand 260013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhChinese Brand 300013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhChinese Brand 320013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-059FZ Folding Ebike Battery (36V / 48V) – 467×102×43mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V13AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhChinese Brand 300010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhChinese Brand 320010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhChinese Brand 260013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhChinese Brand 300013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhChinese Brand 320013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-H06KT Folding Ebike Battery (36V / 48V) – 430×102×43mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V13AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhChinese Brand 300010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhChinese Brand 320010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhChinese Brand 260013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhChinese Brand 300013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhChinese Brand 320013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-H06-40KT Folding Ebike Battery (36V / 48V) – 467×100×40mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V13AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhChinese Brand 300010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhChinese Brand 320010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhChinese Brand 260013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhChinese Brand 300013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhChinese Brand 320013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-062SE Folding Ebike Battery (36V / 48V) – Long Case 385.7×99×40.6mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12AhChinese Brand 300010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12.8AhChinese Brand 320010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V14AhSamsung 35E10S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.5AhSamsung 35E13S3P / 39 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-063SE Folding Ebike Battery (36V / 48V) – Long Case Top-Discharge 385.7×99×40.6mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12AhChinese Brand 300010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12.8AhChinese Brand 320010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V14AhSamsung 35E10S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.5AhSamsung 35E13S3P / 39 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-001SR Folding Ebike Battery (36V / 48V) – YunBao Case 386×116×63mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V13AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhChinese Brand 300010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhChinese Brand 320010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhChinese Brand 260013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhChinese Brand 300013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhChinese Brand 320013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-012RE Folding Ebike Battery (36V) – 356×59×85mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12AhChinese Brand 300010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12.8AhChinese Brand 320010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V14AhSamsung 35E10S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-014RE Folding Ebike Battery (36V / 48V) – QiuLi 5 Case 356×59×105mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V13AhChinese Brand 260010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V15AhChinese Brand 300010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V16AhChinese Brand 320010S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V17.5AhSamsung 35E10S5P / 50 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.4AhChinese Brand 260013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12AhChinese Brand 300013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V12.8AhChinese Brand 320013S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V14AhSamsung 35E13S4P / 52 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-016RE Folding Ebike Battery (24V / 36V) – Half-Moon 2 Pin Case 380×85×42mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
24V10.4AhChinese Brand 26007S4P / 28 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
24V12AhChinese Brand 30007S4P / 28 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
24V12.8AhChinese Brand 32007S4P / 28 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
24V14AhSamsung 35E7S4P / 28 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V7.8AhChinese Brand 260010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9AhChinese Brand 300010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9.6AhChinese Brand 320010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V10.5AhSamsung 35E10S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-21C30 Folding Ebike Battery (36V) – Half-Moon 5 Pin Case 380×85×42mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V7.8AhChinese Brand 260010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9AhChinese Brand 300010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9.6AhChinese Brand 320010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V10.5AhSamsung 35E10S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-017RE Folding Ebike Battery (36V) – LiRen Case 376×82×40mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V7.8AhChinese Brand 260010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9AhChinese Brand 300010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V9.6AhChinese Brand 320010S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V10.5AhSamsung 35E10S3P / 30 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

JD-018RE Folding Ebike Battery (36V / 48V) – LiJian Case 376×40×100mm

Voltage Capacity Cell Config Charge Current (A) Operating Temp (°C) Cycle Life Warranty Certs
36V10.4AhChinese Brand 260010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12AhChinese Brand 300010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V12.8AhChinese Brand 320010S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
36V14AhSamsung 35E10S4P / 40 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE
48V10.5AhSamsung 35E13S3P / 39 cells5A-20~60 / 0~45800–1000 cycles12 monthsUN38.3 / CE

Tailored Folding & Hiding eBike Batteries for Your Project Needs

As a specialized eBike battery manufacturer, we understand how critical customized battery solutions are to the success of your electric bike project. Our services are built to match your precise design and performance goals:

  • Custom Specifications: Tailor your battery’s size, voltage, capacity, BMS, and connectors to perfectly fit folding or hidden frame designs.

  • Compact Battery Formats: Choose from a wide range of slim, integrated battery pack styles—ideal for foldable or internally mounted systems.

  • Extended Battery Lifespan: Rely on premium cells and intelligent BMS to deliver long cycle life, performance stability, and safe operation.

  • Connector & Mounting Customization: We engineer battery packs with connector and port options that align seamlessly with your bike architecture.

Tailored eBike Battery Packs for Every Role in the Supply Chain

As a specialized manufacturer of folding and hiding eBike batteries, Junda supports all roles in the electric bike supply chain with customizable, high-performance battery solutions. Whether you’re sourcing for retail, assembling for your brand, or supplying for production, we provide reliable battery packs tailored to your exact needs.

For Wholesalers:
Offer compact, ready-to-sell eBike batteries with proven performance and certifications. We ensure stable supply, fast delivery, and OEM support to help you stay ahead in a competitive market.

For Brand Owners:
Power your folding or integrated eBike lines with custom-designed battery packs. From voltage to connectors, we help align every detail with your product strategy—cost-effective, reliable, and brand-ready.

For Assemblers & OEMs:
Streamline your builds with battery packs engineered for tight spaces and internal installations. Our technical team supports smooth integration and consistent quality—ensuring easy installation and timely delivery at scale.

Beyond eBike Batteries: Complete OEM & Project Support

At Junda, we serve every stage of your eBike supply chain with custom folding and hiding battery packs, as well as end-to-end technical support. From product development to mass production, our solutions are designed to meet your unique needs—efficiently, safely, and reliably.

Product Design & Specification Consulting

We assist in selecting the right battery configuration based on your bike frame, voltage, capacity, and usage goals—ensuring a precise fit and optimal performance.

Custom Battery Proposal & Feasibility Analysis

Our team evaluates your technical drawings and design needs, offering expert feedback, risk analysis, and tailored battery solutions to support your product vision.

OEM & ODM Technical Support

We provide complete technical support for your in-house or outsourced assembly line—including custom connectors, BMS settings, housing, and logo branding.

In-House Manufacturing

With independent production lines and full control over cell sourcing, pack assembly, and quality inspection, we ensure consistency and flexible custom services.

Battery Testing & Certification

We offer assistance with safety and performance testing, including UN38.3, MSDS, IEC 62133, and cycle life tests—backed by real factory data and third-party reports.

Installation & After-Sales Support

Our engineers are available to guide you through battery installation, integration testing, and troubleshooting, helping reduce onboarding time and after-sales risks.

Frequently Asked Questions

Got more questions? We’re here to support your battery sourcing and integration needs.

What is a folding eBike battery? +
A folding eBike battery is a compact lithium-ion pack designed specifically for foldable electric bikes. It saves space, enhances portability, and integrates neatly into the bike’s frame.
What are the benefits of folding eBike batteries? +
Folding eBike batteries provide portability, lightweight design, space-saving integration, and improved bike aesthetics compared to traditional external packs.
Can folding eBike batteries be customized? +
Yes, you can customize voltage (36V/48V/52V), capacity (7Ah–20Ah+), casing style, and connector types like XT60 or Anderson, ensuring compatibility with your bike design.
What certifications do folding eBike batteries have? +
Our folding eBike batteries comply with UN38.3, CE, MSDS, and IEC 62133 standards, ensuring global safety and transportation compliance.
What is the typical cycle life of a folding eBike battery? +
With grade-A cells from Samsung or LG, a folding eBike battery typically lasts 600–1000 charge cycles, equal to 3–5 years under normal usage.
Can I retrofit an existing folding bike with your battery? +
Yes, many of our folding battery packs are designed for retrofit projects. We also provide CAD support to match custom bike frames.
Do folding eBike batteries support smart BMS or Bluetooth? +
Absolutely. We can integrate Bluetooth-enabled BMS, mobile app diagnostics, and even GPS-ready features for advanced monitoring.
What is the MOQ for custom folding eBike batteries? +
The minimum order quantity starts at 50 pcs for standard models, while fully customized housings or BMS solutions usually require 300–500 pcs.
How long is the production and delivery lead time? +
Sample orders typically ship within 7–10 days, while bulk production takes 20–30 days depending on complexity and order size.
Do you provide overseas warehousing or fast delivery? +
Yes, we have warehouses in the U.S., Germany, and Poland, allowing faster regional delivery and smoother logistics for global customers.

E-Bike Battery Manufacturing Process

Advanced production lines for certified, high-performance lithium battery packs

3D design
Raw Materials
Assembling cells
Welding Packs of Cells
Assembling Packs of Cells
Aging & Testing
Packaging
Work Shop
Lithium battery intelligent automatic equalizer
Cell Tester
Dc power supply
Dc power supply

ISO 9001

Dangerous Goods

MSDS

CE

IEC

RoHs

UN38.3

Triangle Pack Battery: Your Complete Purchase Guide

Considering triangle pack batteries for your next eBike project? This quick guide will help you make an informed decision with ease. These batteries are ideal for high-capacity builds and are commonly used in full-suspension and long-range eBikes—making proper fit and configuration essential.

At Junda, we understand the technical and commercial requirements of your business. Let our team guide you to the best triangle pack battery solution—tailored to your voltage, range, and integration needs.

Table of Contents

Unit 1

What Are Folding & Hiding eBike Battery Packs?

Folding and hiding eBike battery packs are integrated lithium battery solutions designed to fit compact or internal bike frames. These battery types are ideal for foldable electric bikes or models requiring a clean, built-in appearance.

They come in various voltages, capacities, and formats, with options for customized housings, connectors, and smart BMS settings. By choosing the right pack, brands can improve design flexibility, rider experience, and product value—while ensuring long-lasting, stable performance.

Unit 2

How Do Folding & Hiding eBike Batteries Work?

Folding and hiding eBike batteries operate by storing and delivering DC power to the motor and control system of an electric bicycle, enabling smooth acceleration and efficient energy use.

These batteries are built with rechargeable lithium-ion cells, managed by an intelligent Battery Management System (BMS) that ensures safety, balance, and protection against overcharging or short-circuiting. Their compact and integrated design allows for seamless installation into foldable frames or hidden compartments within the bike structure.

This setup not only improves aesthetic appeal and portability, but also contributes to longer range, lighter weight, and reduced maintenance—key benefits for modern urban mobility.

Two e-bike charging methods: direct and removable battery.
Unit 3

Varieties of Folding & Hiding eBike Battery Packs

Folding and hiding eBike batteries are available in multiple formats, each designed to fit different frame styles and usage scenarios. Here are the main types:

  • Seat Tube Batteries: Integrated into or behind the seat tube, these packs are compact and suitable for folding bikes with limited space.
  • Down Tube Integrated Batteries: Installed inside the down tube, these batteries offer a sleek appearance and improved weight distribution—commonly used in both folding and city eBikes.

  • Removable Frame Batteries: These packs are fully hidden within the frame but designed for easy removal and replacement, ideal for commuters needing convenient charging.

  • External Folding Batteries: Mounted discreetly in custom enclosures, they maintain portability while offering higher capacity for longer range needs.

  • Custom Molded Batteries: Tailored to fit uniquely shaped frames or OEM bike designs, providing full integration and branding flexibility.

  • Split Battery Systems: Used in compact or dual-motor bikes, these systems divide the battery into multiple smaller packs for better space utilization.

Choosing the right type depends on your bike’s frame structure, required range, and integration level. Our team can help you assess compatibility and deliver a battery solution that fits both your design and performance goals.

Unit 4

Advantages of Folding & Hiding eBike Battery Packs

 
Folding and hiding eBike batteries offer numerous benefits for modern electric bicycle designs and manufacturing:

  • Space Efficiency: Designed to fit within the frame or compact folding sections, these batteries maximize space without compromising power.

  • Improved Aesthetics: Hidden placement creates a cleaner, more streamlined bike appearance—ideal for high-end urban and commuter models.

  • Custom Fit Options: Available in various shapes, voltages, and mounting styles to suit specific bike frames and performance needs.

  • Lightweight Design: Compact and low-weight construction enhances portability and folding convenience for riders.

  • Long Cycle Life: Equipped with high-quality cells and smart BMS, these batteries support 600–1,000+ charge cycles with consistent output.

  • Safety & Certification: Built with safety in mind, supporting certifications like UN38.3, MSDS, and IEC 62133 for international compliance.

  • Easy Integration: Engineered for smooth installation into new bike designs or retrofitted frames, reducing production complexity.

  • Enhanced Durability: Resistant to vibration and environmental stress, making them reliable even in daily urban use.

  • User-Friendly Charging: Many models support on-bike or removable charging options for flexible usage.

  • Support for OEM/ODM: Fully customizable to align with your brand’s specifications, including logo, shell color, and connector type.

Incorporating folding and hiding battery packs into your product line enhances design flexibility, rider satisfaction, and market competitiveness.

Unit 5

Applications of Folding & Hiding eBike Battery Packs

Folding and hiding eBike batteries offer versatile applications across a wide range of bike categories, delivering compact design, powerful output, and integration-friendly features that enhance both performance and aesthetics. Below is an overview of how these battery types are applied in different sectors and bike models.

Man adjusting an electric bike outdoors.

Urban Folding Bikes

Ideal for commuters and last-mile riders, folding battery packs provide easy portability and quick charging. Lightweight and compact, they allow riders to fold and store their bikes effortlessly in apartments, offices, or public transport.

Lightweight and compact batteries that support easy storage and fast charging.

  • Recommended Specs:
    Voltage: 36V / 48V
    Capacity: 7Ah–12Ah
    Cell Type: 18650 / 21700
    BMS: Basic with overcharge/discharge protection

  • Use Case: Commuter folding bikes for city users, last-mile delivery riders.

  • Typical Clients: Folding bike brands in Japan, Germany, U.S. micro-mobility startups.

City Commuter eBikes

Hidden battery systems integrated into the down tube or seat tube maintain a clean design while offering consistent daily performance. Perfect for brands targeting the growing urban mobility market, especially in Europe and North America.

Clean design and stable output for daily riding.

  • Recommended Specs:
    Voltage: 48V
    Capacity: 10Ah–15Ah
    Cell Type: 18650 / LG 21700
    BMS: Smart BMS with balance + data logging

  • Use Case: Integrated batteries hidden in down tube or seat tube.

  • Typical Clients: OEM commuter bike projects in EU & U.S. cities.

OEM & Private Label Brands

Custom-designed folding and hiding battery packs help brands differentiate their product lines with unique form factors, branded enclosures, and optimized specs. We support OEM projects from prototyping to mass production.

Fully customized battery design to match bike aesthetics and performance targets.

  • Recommended Specs:
    Voltage: Based on design (36V / 48V / 52V)
    Capacity: 8Ah–20Ah
    Shell: Custom injection-molded or extruded aluminum
    BMS: Fully programmable

  • Use Case: Custom-branded eBikes, new product lines.

  • Typical Clients: High-end eBike startups, private label wholesalers.

Row of docked rental bicycles in urban setting.

Shared Mobility & Fleet eBikes

Durable, tamper-resistant hiding batteries are widely used in e-bike sharing systems. These batteries are built to endure daily use, quick charging, and smart tracking through integrated BMS features.

Tamper-resistant designs and high cycle life.

  • Recommended Specs:
    Voltage: 48V
    Capacity: 10Ah–14Ah
    BMS: Smart BMS with GPS, remote lock, temperature detection
    Housing: Sealed, ruggedized plastic

  • Use Case: Public bike sharing platforms, rental fleets.

  • Typical Clients: E-bike operators in France, U.S., Singapore.

Folding Mountain or Off-Road eBikes

With reinforced enclosures and higher output cells, these battery packs provide stable power on rugged terrain while keeping weight low and center-balanced—essential for trail-capable folding bikes.

Need more power and vibration-resistant battery casing.

  • Recommended Specs:
    Voltage: 48V or 52V
    Capacity: 13Ah–20Ah
    Cells: Samsung 21700 / Panasonic NCR
    BMS: With overcurrent protection & cell balancing

  • Use Case: Dual-suspension or fat-tire folding mountain bikes.

  • Typical Clients: Niche off-road eBike brands, European outdoor gear resellers.

Delivery & Cargo eBikes

For electric delivery bikes used in urban logistics, hiding battery systems offer enhanced theft protection and long-range capability. Our high-capacity cells and modular design support extended riding hours under heavy load.

Require extended range and durable build.

  • Recommended Specs:
    Voltage: 48V / 52V
    Capacity: 15Ah–25Ah
    BMS: Enhanced with current limiter + parallel port options
    Optional: Dual battery switching module

  • Use Case: Food, grocery, and package delivery.

  • Typical Clients: Delivery bike OEMs in the Netherlands, South Korea, and Canada.

eBike Rental Stations & Tourism Fleets

Tourist-focused folding eBikes benefit from compact, swappable batteries that are easy to maintain. Rental companies rely on standardized hiding batteries for better fleet management and faster turnaround.

Reliable and modular for quick battery swaps and easy maintenance.

  • Recommended Specs:
    Voltage: 48V
    Capacity: 10Ah–13Ah
    BMS: NFC or RFID support for fleet management
    Mount: Slide-in / locking case

  • Use Case: Tourist bikes with high turnover.

  • Typical Clients: Scenic ride operators in Italy, Thailand, and California.

Smart City eBike Infrastructure

As cities embrace smart transportation, hiding batteries with IoT-ready BMS systems support advanced monitoring, usage analytics, and predictive maintenance. Perfect for public-private mobility initiatives.

Connected battery systems that integrate into broader urban mobility systems.

  • Recommended Specs:
    Voltage: 48V
    Capacity: 12Ah–18Ah
    Smart BMS: GPS, LTE/LoRa, auto diagnostics
    API Support: Available for fleet platforms

  • Use Case: Government-funded e-bike lanes and mobility pilots.

  • Typical Clients: Municipal programs, tech-driven operators.

Folding Fat Tire eBikes

These high-power eBikes demand compact batteries that can still deliver 48V–52V output. Our custom cells and housings fit bulkier frames while maintaining easy folding and charging functionality.

High-output systems for heavy-duty, all-terrain folding e-bikes.

  • Recommended Specs:
    Voltage: 52V
    Capacity: 15Ah–20Ah
    Cell Type: LG or Samsung 21700
    BMS: High current with mosfet protection

  • Use Case: Adventure or hunting eBikes.

  • Typical Clients: Niche U.S. brands, Amazon top sellers.

Unit 6

Specification of Folding & Hiding eBike Battery Packs

Parameter Specification
Cell Type 18650 / 21700 (Samsung, LG, or custom)
Nominal Voltage 36V / 48V / 52V
Capacity Range 7Ah – 20Ah
Battery Format Hidden tube / Seat post / Foldable frame
Discharge Current ≤ 30A (customizable with BMS)
BMS Features Overcharge, overdischarge, short-circuit, temp control
Cycle Life 600–1000 cycles
Certifications UN38.3, MSDS, IEC 62133 (optional)
Connector Options XT60 / Anderson / Customized plug
Shell Material ABS / Aluminum alloy / PC+PBT (customizable)
Unit 7

In Summary

Folding and hiding eBike battery packs offer an ideal solution for brands seeking compact, efficient, and design-integrated power systems. Widely used across commuter bikes, folding frames, cargo models, and shared mobility fleets, these batteries strike the balance between performance, portability, and aesthetics.

At Junda, we provide both standard and fully customized battery solutions tailored to your specific requirements. Backed by over a decade of experience in lithium battery design and manufacturing, we ensure compliance with global safety standards and support seamless integration into your product lines. Our expert team is ready to assist—helping you choose or create the battery pack that fits your design, performance, and market goals.

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