Doublepow DP-B02 4-Slot AA / AAA Battery Charger

This Doublepow DP-B02 is a 4-slot battery charger designed to charge both AA and AAA batteries. Users can charge up to four batteries at once, which is great if you use a lot of rechargeable batteries in your gadgets. Besides, it features overcharge protection, LED indicators, and automatic current control to prevent overheating and short circuits.