COAST Z550 ZITHION™ Li-Ion non-ported rechargeable batteries are designed to be charged from inside your COAST light. COAST ZITHION™ batteries saves you money on batteries, while providing you a no-hassle power solution. With a reduction of lighting components, these batteries also tend to be lighter in weight, without sacrificing COAST’s Trusted Tough power.

All COAST ZITHION™ batteries are protected with premium overcharge/discharge protection and are backed by COAST'S one-year warranty.