Enhance your bicycle lighting system with our premium NiteRider Pro Series Lithium-Ion Replacement Batteries, available in 4, 6, and 8 cell configurations. Designed exclusively for NiteRider systems, these high-performance batteries provide reliable, long-lasting power to keep your rides illuminated and safe. Crafted with advanced lithium-ion chemistry, they ensure optimal energy density, lightweight durability, and quick charging capabilities to support intense cycling sessions and extended rides. Featuring convenient USB ports, these batteries allow easy charging and compatibility with various devices, making them perfect for versatile cycling applications. Built with precision engineering, each battery maintains consistent power output, supporting your front and rear lights, handlebar-mounted systems, and other cycling accessories. Whether you need a compact 4-cell for lightweight portability, a 6-cell for extended runtime, or an 8-cell for maximum power, our NiteRider Pro Series batteries deliver superior performance, durability, and style for all cyclists seeking dependable illumination solutions. Upgrade your bike lighting setup with these innovative, high-quality lithium-ion batteries for enhanced visibility, safety, and riding confidence.