-AA 5 rechargeable lithium battery, safe, environmentally friendly
-Constant voltage, durable, with a constant voltage of 1.5V, performs better than traditional nickel hydrogen batteries
-Type-C input, with a USB interface, can be charged at any time
-1110mWh, with a large capacity, one unit is equivalent to 1200 dry batteries, and can be compatible with 99% of battery devices on the market.