BL 8 Pack 2800mAh AA + 8 Pack 1100mAh AAA with 8 Bay Battery This charger could charge 2/4/6/8 pcs AA/AAA Ni-MH/Ni-Cd batteris, and charging progress indicated by 4 LED lights in pairs. This battery charger uses the MCU control technology,providing safety constant current and voltage. Short circuit protection and reverse polarity protection. Input: 100-240V 50-60Hz 100mA, can be applied to global supplied voltage. Negative delta V (- V) cut-off function,automatically cut off when fully charged. 8 Pack 1100mAh AAA rechargeable batteris and 8 Pack 2800mAh rechargeable batteries included