Turn on the light in your workspace. The ZX600 ZITHION-X™ rechargeable lithium-ion battery is compatible with COAST work lights PM200, PM500R, and PM550. The battery features a built-in Micro USB port and a battery charge indicator - it blinks red while charging and lights up green when fully charged. An overcharge/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. All COAST lighting products serve various purposes today, both at home and in professional use. For COAST, it is essential that everyone has the opportunity to choose the right light with the highest quality and flexibility, providing the right illumination and the best performance possible. Everything to make every day safer, easier, and more enjoyable. COAST – Trusted tough.