Coast Zithion-X USB-C rechargeable lithium-ion batteries offer a modern alternative to disposable alkaline batteries with built-in charging convenience. This 8-pack includes 4 AA batteries (2400 mAh, 1.5V, 3 Watt hours) and 4 AAA batteries (750 mAh, 1.5V, 0.94 Watt hours), along with a 4-way USB-C charging cable. Each battery features an integrated USB-C charging port, eliminating the need for external charging cradles.

The batteries utilize ZX Optimized Voltage technology designed to simulate the voltage curve of alkaline batteries for seamless compatibility with existing devices. Fast charging capabilities enable AA batteries to fully charge in approximately 2.5 hours and AAA batteries in under 1.3 hours. Built-in safety features include overcharge protection, short circuit prevention, over voltage defense, high temperature protection, and leak-resistant construction to protect devices from corrosion.

Each battery can replace up to 500 single-use batteries, reducing landfill waste. The Zithion-X line has achieved CarbonNeutral certification. Premium lithium cell construction with patent-pending integrated circuits provides reliable performance in flashlights, remote controls, gaming controllers, and other household electronics.