Meet the Energizer Charger with some hustle: This 1-Hour Rechargeable Battery Charger lives up to its name, giving a super-fast complete charge in as little as 60 minutes.* 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... So maximize battery performance with the rapid charging power of Energizer, the world~s #1 recharge brand (according to market survey data). Specs at a glance: ~ 1, 2, 3, or 4 AA or AAA NiMH rechargeable batteries ~ Comes with four (4) 2000 mAh 1.2V AA Energizer Recharge Universal batteries ~ Charge Status Battery Gauge ~ Temperature Control ~ Delta V Charging Cut-off ~ Bad Battery Detection ~ Primary Battery Detection ~ Short Circuit and Reverse Polarity Protection ~ Safety timer to prevent overcharge ~ Limited Lifetime Warranty (see manual for details) * Times may vary by NiMH battery.