SaiKeung 48V 25Ah Hailong/Polly 21700 Battery
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A 48V 25Ah 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: 48V 25Ah (1200Wh) Li-ion battery. Hailong form factor. 80A continuous discharge. From $418.
Specs verified Jun 26, 2026
Where to Find
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Price History
Current best price $417.98. Over the past 90 days: low $417.98, high $417.98, average $417.98 — about average.
- AliExpress - SaiKeung Electric Bike Scooter Battery Factory Store
| Date | Price | Shipping | Total | Change | Coupon | Rating | Sales | In Stock | Status |
|---|---|---|---|---|---|---|---|---|---|
AliExpress - SaiKeung Electric Bike Scooter Battery Factory Store(1 record) | |||||||||
| Jun 21, 202607:56 AM | $417.98 | $0.00 | $417.98 | Initial | — | — | — | Yes | active |
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Specifications
Electrical
- Voltage
- 48V
- Capacity
- 25Ah
- Energy
- 1200Wh
- 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
