Smartoools Best Rechargeable AA Battery 1.5V 2600mwh Li Ion Batteries 4pcs battery

"Type C USB CHARGING: Directly plug a Type C USB into the input for quick and easy charging. Use the included cable to connect simultaneously connect 4 batteries to any USB power supply. Connect to an AC adapter, power bank or computer, and fully charge in around 1.5 hours. Long lifecycle will allow over a 1200 uses LED INDICATORS:When charging, the red LED will blinks and will then LED remains on once it is fully charged. Conveniently see the charging status of each battery LARGE CAPACITY: 2600mWh capacity provides sufficient power for a wide range of products. Perfect for controller, keyboard, mouse, toys, calculator, toothbrush and much more CETIFIED SAFETY:Multiple Protection, More Safer.Compliant with North American safety standards. CE, FCC and RoHs recognized safety for guarantee user and device safety"