【High Capacity & Long Lasting】3600mWh 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.
【Optimized 1.5V Output】Engineered with a gradual voltage decline from 1.5V. It delivers a longer and more stable total runtime than both alkaline and NiMH batteries.
【Safety & Full Protection】Built-in protections against overcharge, over-discharge, over-voltage, over-current, short circuit, and overheating.
【What you get】 4 × AA Rechargeable Lithium Batteries (3600mWh), 1 × 4-in-1 USB to USB-C Charging Cable,1 × Battery Box, 6-Month Product Care Service.