The Nitecore Intellicharger New i2 is the new version universal, automatic smart-charger compatible with almost all types of rechargeable batteries eliminating the need to own several chargers. The New i2 is able to automatically identify Li-ion, Ni-MH and Ni-Cd rechargeable batteries and apply an appropriate charging mode (Constant Charge Current (CC), Constant Charge Voltage (CV) and Trickle Charge). Each of the New i2’s two micro processor-controlled charging slots is capable of monitoring and charging batteries independently. Additionally, yellow power/charging status indicator lights visibly indicate battery status and charging process. Revolutionary Upgrades Include: 100% charging acceleration Active current distribution technology Expanded compatibility to support 3.7V and 4.35V batteries IMR battery restoration Automatic current selection based on battery capacity Automatic detection of non-rechargeable lithium batteries Specifications: Output current: 1000mah (500mah per bay) Dynamic distribution of charging power Compatible with 1.2V, 3.7V, 4.2V, and 4.35V batteries Reverse polarity prevention Precise overtime charging protection Automatic intelligent temperature control and protection Full Copper concise design Compatible with: Li-Ion/IMR/LiFePO4: 10340,10350,10440,10500,12340,12500,12650,13450,13500,13650,14350,14430,14500,14650,16500,16340,16650,17350,17500,17650,18350,18490,18500,18650,18700,20700,21700 (without damaging the wrap),22500,22650,25500,26500,26650 Ni-MH (NiCd) : AA, AAA, AAAA, C, D