A higher-capacity 36V 17.5Ah (630Wh) Hailong downtube pack for riders who want extra range from a 36V conversion. Uses graded 18650 cells with a 30A continuous BMS providing balanced charging and full protection against over-current, over-charge and over-discharge. Mounts to the frame’s bottle-cage bosses in the familiar Hailong case and locks securely with the supplied key. Compatible with 36V mid-drive and hub kits including Bafang BBS01 and 250W hub conversions. Terminated with an XT60 discharge plug and a 42V charge port. Charger sold separately. Confirm your controller is a 36V unit before fitting.

Hailong Downtube Battery 36V 17.5Ah
£189.00
Price includes 20% VAT.
36V 17.5Ah Hailong downtube battery with higher-capacity cells for extended range on 36V conversions.
About this item
- Battery Capacity: 36v 17 5ah
- Nominal voltage: 36V
- Capacity: 17.5Ah (630Wh)
- Cell type: 18650 Li-ion
- BMS: 30A continuous
- Discharge connector: XT60
- Mount: Hailong downtube / bottle-cage bosses
In stock — dispatched within 2–3 working days
Free UK delivery on bikes · 30-day returns
Free UK mainland delivery on bikes Expert pre-delivery inspection & setup 30-day returns Secure checkout
| Brand | |
|---|---|
| Battery Capacity | 36v 17 5ah |
| Nominal voltage | 36V |
| Capacity | 17.5Ah (630Wh) |
| Cell type | 18650 Li-ion |
| BMS | 30A continuous |
| Discharge connector | XT60 |
| Mount | Hailong downtube / bottle-cage bosses |
| Charge voltage | 42V |




Reviews
There are no reviews yet.