COAST ZX700 Zithion-X Rechargeable Battery for Polysteel 600(R) and 650(R)

Compatible with COAST Polysteel 600(R) and 650(R) flashlights, the ZX700 Zithion-X Rechargeable Battery features a built-in micro-USB port for easy charging either inside or outside the light. A battery charge indicator flashes red during charge-up and shines solid green when fully charged. The overcharge/discharge protection circuits make powering up simple and safe.