USB-C charging design: Rechargeable USB-C Lithium AA battery, 2 hours fast charging. Available for direct connection to adapter, power bank and laptop for charging, can also be charged with a 5V output charger. The battery indicator flashes green when charging and stays green once fully charged. 1500 cycles: Belongs to rechargeable lithium AA batteries, the cycle time can be up to about 1500 times. No need to buy a large alkaline battery. Without memory effect, cost-effective and environmentally friendly. 3000mWh Actual capacity: The same dimensions as a standard AA battery, with integrated PCM and USB Type-C port. 3000 mWh (1.5V/2000 mAh) typical actual capacity. Extremely low self-discharge rate. Constant 1.5V output: Hixon USB C Lithium AA batteries support a constant 1.5V output. The maximum continuous working current is 3.0 amps. The discharge efficiency could be up to 95%. Ideal for household appliances that require an AA battery. Safety protection: Integrated i