£219.99
Price includes 20% VAT.
Hailong 48V 17.5Ah downtube battery. Bafang BBS01/BBS02 compatible. Contact for pricing.
In stock — dispatched within 2–3 working days
Free UK delivery on bikes · 30-day returns
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The Hailong is one of the most widely-used downtube-style e-bike batteries in the UK. 48V 17.5Ah (840Wh) with BMS protection. Compatible with Bafang BBS01B, BBS02B, and most mid-drive kits. Lockable mount with key.
Contact us for current pricing and stock availability.
| Voltage | 48V |
| Capacity | 17.5Ah / 840Wh |
| Style | Downtube / bottle cage mount |
| Compatibility | Bafang BBS01B, BBS02B |
| Lock | Yes, 2 keys included |
All e-bikes sold by VOLTARC come with the full manufacturer's warranty. Coverage typically includes:
Email support@e-bikes.biz with your order number and a description of the issue. We aim to respond within 1 business day.
VOLTARC offers optional 3-year extended cover for an additional fee. Ask us at checkout.
No. EAPC (Electrically Assisted Pedal Cycle) e-bikes are legal on UK roads without a licence, insurance, or registration, provided the motor assists only while pedalling and is limited to 250 W / 15.5 mph.
Range depends on the battery size, rider weight, terrain, and assist level. Check the specific product specification for its stated range; typical figures are 40–120 miles per charge.
Most batteries charge in 3–6 hours from flat using the supplied charger. Fast-charge options (where available) can halve this time.
Yes. Our bikes carry an IP rating (see spec tab) and are designed for UK weather. Avoid submerging the battery or motor. Dry and lightly oil the drivetrain after wet rides.
14-day hassle-free returns on unused bikes in original packaging. For faulty bikes we will arrange a free collection. See our returns page for full details.
Yes. 0% APR representative finance is available on eligible orders ≥£299. Select your preferred plan at checkout.
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