Reention Polly Series Battery

Polly 5 &5C Downtube eBike Battery

Model Dimensions Voltage Capacity Cell
JD-021RE Polly 5368*90*96mm36V13AhDMEGC
JD-021RE Polly 5368*90*96mm36V15AhDMEGC
JD-021RE Polly 5368*90*96mm36V17.5AhSamsung
JD-021RE Polly 5368*90*96mm48V10.4AhDMEGC
JD-021RE Polly 5368*90*96mm48V12AhDMEGC
JD-021RE Polly 5368*90*96mm48V14AhSamsung
JD-021RE Polly 5368*90*96mm52V10.4AhDMEGC
JD-021RE Polly 5368*90*96mm52V12AhDMEGC
JD-021RE Polly 5368*90*96mm52V14AhSamsung
JD-021RE Polly 5C368*90*96mm36V13AhDMEGC
JD-021RE Polly 5C368*90*96mm36V15AhDMEGC
JD-021RE Polly 5C368*90*96mm36V17.5AhSamsung
JD-021RE Polly 5C368*90*96mm48V10.4AhDMEGC
JD-021RE Polly 5C368*90*96mm48V12AhDMEGC
JD-021RE Polly 5C368*90*96mm48V14AhSamsung

Polly 6 & 6C Downtube eBike Battery

Model Dimensions Voltage Capacity Cell
JD-022RE Polly 6368*90*113mm36V13AhDMEGC
JD-022RE Polly 6368*90*113mm36V15.6AhDMEGC
JD-022RE Polly 6368*90*113mm36V18AhDMEGC
JD-022RE Polly 6368*90*113mm36V21AhDMEGC
JD-022RE Polly 6368*90*113mm36V24.5AhSamsung
JD-022RE Polly 6368*90*113mm48V13AhDMEGC
JD-022RE Polly 6368*90*113mm48V15AhDMEGC
JD-022RE Polly 6368*90*113mm48V17.5AhSamsung
JD-022RE Polly 6368*90*113mm52V13AhDMEGC
JD-022RE Polly 6368*90*113mm52V15AhDMEGC
JD-022RE Polly 6368*90*113mm52V17.5AhSamsung
JD-022RE Polly 6C368*90*113mm36V13AhDMEGC
JD-022RE Polly 6C368*90*113mm36V15.6AhDMEGC
JD-022RE Polly 6C368*90*113mm36V18AhDMEGC
JD-022RE Polly 6C368*90*113mm36V21AhSamsung
JD-022RE Polly 6C368*90*113mm48V13AhDMEGC
JD-022RE Polly 6C368*90*113mm48V15AhDMEGC
JD-022RE Polly 6C368*90*113mm48V17.5AhSamsung
JD-022RE Polly 6C368*90*113mm52V14AhSamsung

Polly 9 & 9C Downtube eBike Battery

Model Dimensions Voltage Capacity Cell
JD-023RE Polly 9368*90*141mm36V23.4AhDMEGC
JD-023RE Polly 9368*90*141mm36V27AhDMEGC
JD-023RE Polly 9368*90*141mm36V31.5AhSamsung
JD-023RE Polly 9368*90*141mm48V18.2AhDMEGC
JD-023RE Polly 9368*90*141mm48V21AhDMEGC
JD-023RE Polly 9368*90*141mm48V24.5AhSamsung
JD-023RE Polly 9368*90*141mm52V15.6AhDMEGC
JD-023RE Polly 9368*90*141mm52V18AhDMEGC
JD-023RE Polly 9368*90*141mm52V21AhSamsung
JD-023RE Polly 9C368*90*141mm36V20.8AhDMEGC
JD-023RE Polly 9C368*90*141mm36V24AhDMEGC
JD-023RE Polly 9C368*90*141mm36V28AhSamsung
JD-023RE Polly 9C368*90*141mm48V15.6AhDMEGC
JD-023RE Polly 9C368*90*141mm48V18AhDMEGC
JD-023RE Polly 9C368*90*141mm48V21AhSamsung
JD-023RE Polly 9C368*90*141mm52V15.6AhDMEGC
JD-023RE Polly 9C368*90*141mm52V18AhDMEGC
JD-023RE Polly 9C368*90*141mm52V21AhSamsung

Polly 5 21700 Downtube eBike Battery

Model Dimensions Voltage Capacity Cell
JD-024RE Polly 5368*95*125mm36V20AhEVE
JD-024RE Polly 5368*95*125mm36V25AhEVE
JD-024RE Polly 5368*95*125mm48V20AhEVE
JD-024RE Polly 5368*95*125mm52V15AhEVE
JD-024RE Polly 5368*95*125mm36V20AhSamsung
JD-024RE Polly 5368*95*125mm36V25AhSamsung
JD-024RE Polly 5368*95*125mm48V20AhSamsung
JD-024RE Polly 5368*95*125mm52V15AhSamsung

Polly 7 21700 Downtube eBike Battery

Model Dimensions Voltage Capacity Cell
JD-025RE Polly 7368*95*150mm36V25AhEVE
JD-025RE Polly 7368*95*150mm36V30AhEVE
JD-025RE Polly 7368*95*150mm36V35AhEVE
JD-025RE Polly 7368*95*150mm48V20AhEVE
JD-025RE Polly 7368*95*150mm48V25AhEVE
JD-025RE Polly 7368*95*150mm52V20AhEVE
JD-025RE Polly 7368*95*150mm52V25AhEVE
JD-025RE Polly 7368*95*150mm36V25AhSamsung
JD-025RE Polly 7368*95*150mm36V30AhSamsung
JD-025RE Polly 7368*95*150mm36V35AhSamsung
JD-025RE Polly 7368*95*150mm48V20AhSamsung
JD-025RE Polly 7368*95*150mm48V25AhSamsung
JD-025RE Polly 7368*95*150mm52V20AhSamsung
JD-025RE Polly 7368*95*150mm52V25AhSamsung

Replacement Batteries Available for 100+ eBike Brands

Customer Support?

+86-153-6090-3247

ISO9001 process control, traceable QC, and build consistency—ready for OEM programs.
PRODUCTION PROCESS

How We Build Downtube eBike Battery

3D Design
Raw Materials
Assembling-scaled
Spot Welding
Assembling Packs of Cells
Aging Testing
Packagaing
Assembly-line