Rechargeable batteries are a practical and economical solution to supply various electronic devices. Thanks toUSB-C port built-inbatteries can be charged directly without the need for a separate charger.Each battery offerscapacity approximately 2100 mAh (3150 mWh)and providesstable output voltage of 1.5 Vfor reliable operation of compatible devices.Batteries are suitable for remote controls, wireless keyboards and mice, toys, flashlights, watches, radios, cameras and other electronic accessories using AA batteries.Charging is easy and convenient enough to connect the included cable directly to USB-C batteries ports.The built-in LED indicatorshows the state of charge and signal when the battery is fully charged.Full charge time is approximately 3 hourswhich allows rapid preparation for subsequent use.Verbatim batteries are designed for continuous operation and withstandover 1000 reload cycles. This makes them an economical alternative to standard disposable batteries, reducing the need for frequent replacement and the amount of waste generated.The kit includes4 batteries AA and USB-C cable 4 in 1which allows them to load simultaneously.