Keep the worksite bright. Compatible with the Coast XPH34R headlamp and the PM300 and PM310 work lights, the ZX955 ZITHION-X rechargeable lithium ion battery features a built-in USB-C port for easy charging outside the light. A battery charge indicator flashes red during charge-up and shines solid green when fully charged, and the overcharge/discharge protection circuits make powering up as simple and safe as possible. The battery is backed by Coast's one-year warranty against defects in materials and workmanship. All Coast ZITHION-X batteries are protected with premium overcharge/discharge protection and are backed by Coast's one-year warranty.