AAA 400mah USB Rechargeable Battery (2 Pack)
Why did they not think of it before? These clever AAA (400mah) sized batteries can be recharged using a standard USB port and they will power traditional AAA devices. Utilising lithium battery technology, these units will recharge quicker than conventional AAA batteries. Ideal for traveling as they will use the same USB charger as your other portable electronics. No need to carry a separate AAA / AA battery charger for your AAA battery powered portable devices.
Package includes 2 x AAA USB Rechargeable batteries. A micro USB cable is required to recharge these batteries from a USB port.