The Energizer 1-Hour Rechargeable Battery Charger lives up to its name, giving a super-fast complete charge. Individual charging channels give you the flexibility to charge anywhere from 1 to 4 AA or AAA NiMH batteries at a time. Intuitive LED Battery Gauge keeps you up-to-date on your batteries’ status in real time. And this charger won’t overcharge or overheat: The Delta V charging shut-off feature cuts the power to the circuit when charging is complete, so you won’t have to worry about damaging your batteries or wasted electricity. It’s the perfect charger for those on-demand devices that you need to keep going digital cameras, baby monitors, gaming controllers, wireless mouses, and more.