Backward compatible with BY20D and KY20S battery holders.
Premium 18650 Lithium Battery Cells
Built with EV-grade 18650 lithium-ion cells featuring ultra-low internal resistance of just 18mΩ, 2,900mAh capacity, and 3C high-rate discharge. These cells deliver consistent performance, high energy density, and rapid charge-discharge cycles — with over 80% capacity retained after 1,000 charge cycles.
Universal Bike Compatibility
The KN series is designed to fit virtually any standard bicycle, supporting wheel sizes from 16" to 29" and 700C.
Smart Bottle Battery Design
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| Premium Powder-Coat Finish | |
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| LED Battery Level Display | Dual USB-C Charging Ports |
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| Side Power Management Switch | Secure Side-Lock Mounting |
IP65 Waterproof
IP65-rated waterproof — ride confidently in any weather.
Included Battery Charger
Fast, stable, and safe charging — fully charges in just 3 hours.
Battery Parameters
| Type | Lithium Battery |
| Model Number | BN20 |
| Capacity | 5.8Ah |
| Weight | 1.36 kg |
| Voltage | 36V |
| Package Size | 33 × 12 × 11 cm |
