The New I2 charger from UK based Nitecore improves upon the first model with six new components, 100% charge advancement, active current supply technology, enlarged compatibility to assist 3.7v and 4.35v batteries, IMR battery restoration, auto selection of current base on battery capacity, auto detaection on non-rechargeable batteries
100% Charge advancement means the New Nitcore I2 can charge at up to 1000mA current in one slot.
Active current technology allows for the dynamic distribution of the Nitecore I2's charging power. For instance, when two batteries are being charged in the I2 charger and one of them finishes charging, all charging power will auto go to the other slot and charge the battery at a faster speed.
Enlarged compatibility to support 3.7V and 4.35V batteries allows you to charge an array of batteries with a single charger.