These AA batteries are charged via USB. Pop off the AA battery cap, plug into any USB port and start charging. The LED light on the battery turns ON when charging and shuts off when fully charged. Pair it with a rechargeable battery pack and charge these AA batteries anytime, anywhere! Use the 2Amp USB Port on the rechargeable battery pack to speed up your charge time.
Voltage: 1.2 V
Capacity: 1450mAh
Recharge: 400-600 times