The COAST ZX950 Zithion-X rechargeable lithium-ion battery is compatible with the HP10R flashlight. The flashlight features a built-in micro-USB port for easy charging outside of the lamp. A battery charging indicator blinks red while charging and lights up green when fully charged. An overcharge and discharge protection circuit ensures that the battery is as safe as possible. The battery is backed by COAST's one-year warranty against material and workmanship defects. Today, all COAST lighting serves various purposes, both for home use and professional applications. For COAST, it is essential that everyone has the opportunity to choose the right light, with the greatest and best quality and flexibility that provides the right light and optimal performance. All to make every day safer, easier, and more enjoyable. COAST - Trusted tough.