【High Capacity & Long Lasting】3600mWh usb double a lithium batteries provides longer runtime and more stable power than standard alkaline batteries
【2-Hour USB-C Fast Charging】Charge 4 aa rechargeable batteries simultaneously in 2 hours via any USB port (laptop/wall charger/power bank/car adapter).
【1000+ Recharge Cycles】Replaces 1000+ disposable batteries. Cost-effective and eco-friendly solution.
【Stable 1.5V Output】Maintains constant 1.5V voltage from full to empty for optimal device performance.
【Safety & Full Protection】Built-in protections against overcharge, over-discharge, over-voltage, over-current, short circuit, and overheating.