2020+ Lithium Ion Battery 48V 20AH UL2271 Certified
The 48V 20AH UL2271 Certified battery is the highest-capacity power pack available for Surface 604 eBikes. Using Samsung 21700 cells with 5,000mAh capacity per cell, this battery delivers significantly more range than… Read more ↓
Fits every Surface 604 model from 2020 on, plus a handful of older Surface 604 and T4B models that share the same short-base dock. Not compatible with the 2017–2019 Rook or the Twister folding eBike.
The 48V 20AH UL2271 Certified battery is the highest-capacity power pack available for Surface 604 eBikes. Using Samsung 21700 cells with 5,000mAh capacity per cell, this battery delivers significantly more range than…
The 48V 20AH UL2271 Certified battery is the highest-capacity power pack available for Surface 604 eBikes. Using Samsung 21700 cells with 5,000mAh capacity per cell, this battery delivers significantly more range than the standard 14AH pack — ideal for long-distance commuters, touring riders, or anyone who wants to spend less time charging and more time riding.
UL2271 certification guarantees this battery meets strict electrical safety standards, and the Korean manufacturing ensures premium cell quality and consistency. The short-base form factor fits all 2020 and newer Surface 604 models, as well as 2018-2019 Shred and Boar bikes. Not compatible with 2017-2019 Rook/Colt or the Twist.
The ultimate range upgrade for your Surface 604 eBike.
Specifications.
- Voltage
- 48 V nominal
- Capacity
- 20 Ah
- Watt-hours
- 960 Wh
- Range estimate
- ~130 km on PAS 2 (mixed pavement/gravel)
- Cell chemistry
- Lithium-ion (NMC)
- Cell manufacturer
- Samsung 21700
- Cell count
- 13S 5P · 65 cells
- BMS
- Integrated · over-charge, over-discharge, short-circuit, thermal protection
- Charge time
- 8–10 hrs on stock 2 A · 5–6 hrs on 4 A fast charger
- Dimensions
- Short-base form factor — same as stock 14 Ah
- Weight
- 3.8 kg (8.4 lb)
- Certifications
- UL 2271 · UN 38.3 · IPX5 splash-resistant
- Warranty
- 1 year Surface 604 + 30-day fit guarantee (eBC)
