Short DescriptionThis charger can charge 2/4/6/8 AA/AAA Ni-MH/Ni-Cd rechargeable batteries.

In The BoxUltimaxx Battery Charger for 8AA & 8AAA Batteries

Long DescriptionCompatible:
Can both charge AA and AAA Ni-MH Ni-Cd rechargeable batteries

How many batteries can be charged at a time:
2/4/6/8 AA or AAA batteries together at a time, need to charge batteries in pairs, do not charge uneven amount of batteries
4 LEDs show the status of charging, never charge 1 AA + 1 AAA together at 2 slots which are controlled by 1 LED