The jiabao battery charger is a budget-friendly AA and AAA charger. It makes sense to spend a little extra money on rechargeable batteries that can be recharged multiple times, saving you money on disposable batteries. It’s easy to set up and operate; simply plug the batteries into the charger. Connect the charger to a power source; when it starts, the LED will turn red; after it is finished, turn off the power and remove the batteries. Digital cameras and other digital consumer electronics gadgets are ideal for use. Fits AA and AAA batteries and charges both Ni-Mh and Ni-Cd batteries; this set has 4 components. Rechargeable AA batteries with a capacity of 600mAh.