【Genuine OEM Battery Cells, Safe and Powerful】 Features authentic OEM-grade battery cells paired with a precision BMS system, ensuring stable voltage, peak performance, and built-in safety protection. Perfectly compatible with 250W/350W e-bikes, eliminating motor damage and fire hazards—far superior to higher-risk aftermarket replacements.

【High-Capacity Long-Range Battery | Ride Worry-Free】 Powered by high-density lithium-ion cells, this large-capacity battery significantly extends your range. Effortlessly handle long commutes and mountain rides, banishing range anxiety for good.

【3-Hour Fast Charge | Ride Longer, Wait Less】 Advanced fast-charging technology fully recharges in just 2-3 hours. Charging speed is 50% faster than standard models, minimizing wait time so you spend more time riding on roads or trails.

【8-Level BMS Safety System & Durable Housing】 An 8-level protection BMS (overcharge/overdischarge, short circuit, overheating) ensures riding safety. The premium black housing features excellent heat dissipation, combined with shock resistance and weatherproofing for worry-free riding year-round.

【1-Year U.S. Warranty & Local Support】 Enjoy a one-year warranty and dedicated U.S. customer support for worry-free purchasing. We're committed to providing a seamless experience, ready to resolve technical issues and offer expert assistance anytime.