AAA Rechargeable with Type-C USB cable 750mAh triple A lithium ion USB rechargeable Type-c usb rechargeable battery 1.5V Direct Chargeable Battery no Charger Needed Model Number: AAA Material: Lithium-ion battery Charging Method: Type-C usb cable Charging Voltage: 5V Norminal Voltage: 1.5V Capacity: 750mWh Diameter: Min 9.8mm, Max 10.5mm Height: Min 43.5mm, Max 44.5mm Weight: 6.9(+-0.5)g Charging time: 2 hours (+-0.5) LED Indicators: Blink when charging,Stay on when full charged Short-circuited/over-flowed/over-charged/over-discharged protection: YES