Brilliance RB-3 Battery Pack

Our Rear Rack Battery Packs combine practicality and performance in one robust design. A rear rack battery is mounted over the back wheel, offering a convenient and accessible power source ideal for step-through bikes, cargo e-bikes, and long-range setups. Each unit is Proudly Made in the USA, engineered with premium-grade UL-Certified cells, high-quality components, and advanced BMS technology to ensure the highest levels of safety and reliability. Designed for seamless integration and long-lasting power, our downtube systems outperform OEM batteries, offering unmatched performance and protection for every ride — because safety isn’t optional; it’s our foundation. But our innovation doesn’t stop with e-bikes. Under our vision “One Battery. Many Worlds.”, the same American-engineered power fuels robots, industrial equipment, drones, autonomous vehicles, portable medical devices, and smart energy systems. One battery pack offers endless possibilities, all built with American integrity a