SaiKeung 72V 35Ah Hailong/Polly 21700 Battery
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A 72V 35Ah lithium-ion e-bike battery built with 21700 Samsung cells in a Hailong/Polly DP-style downtube case. Includes an integrated BMS, a 30cm XT60 discharge cable, and a matching 5A charger. Suitable for 250W-3000W e-bike and e-scooter motors at the matching voltage.
In brief: 72V 35Ah (2520Wh) Li-ion battery. Hailong form factor. 80A continuous discharge. From $425.
Specs verified Jun 26, 2026
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Specifications
Electrical
- Voltage
- 72V
- Capacity
- 35Ah
- Energy
- 2520Wh
- Chemistry
- Li-ion
- Continuous Discharge
- 80A
- Peak Discharge
- 100A
- Max Charge Current
- 10A
Side Profile
- Shape
- Hailong
Mounting
- Removable
- Yes
- Mounting Type
- Downtube
Features
- Phone Charger
- No
Physical
- Weight
- 7 kg
- Dimensions (L×W×H)
- 368mm × 150mm × 95mm
Included Components
SaiKeung Voltage-Matched 5A Charger
ChargerIncluded
