The ZX310 ZITHION-X™ is a rechargeable lithium-ion battery compatible with the COAST XP6R flashlight and the XPH25R headlamp. The ZX310 ZITHION-X™ features a built-in Micro-USB port, making charging simple and straightforward. A battery charging indicator blinks red while charging and lights up solid green when the battery is fully charged. An overcharge and discharge protection circuit ensures maximum safety for the battery. The battery is backed by COAST's one-year warranty against material and workmanship defects. All COAST lighting products serve various purposes today, both for home use and professional applications. For COAST, it is essential that everyone has the opportunity to choose the right light with the best quality and flexibility, providing the right illumination and optimal performance. All together, to make every day safer, easier, and more enjoyable. COAST – Trusted tough.