Nitecore UM4 Charger Features: Intelligent Four-slot charger QC 2.0 input available Capable of charging 4 batteries simultaneously and controlling each slot independently Up to 1,500mA charging speed in a single slot Compatible with Li-ion and Ni-MH / Ni-Cd batteries with automatic detection Automatic detection of battery power level and automatic selection of the appropriate voltage and charging mode (LifePO4 and 3.8V Li-ion batteries excluded) Automatic selection between 3 charging modes (CC, CV and dV/df) Energy-efficient LCD display for real-time charging information Capable of manually selecting the charging cut-off voltage and the charging current Automatic detection of large/small capacity batteries and automatic selection of appropriate charging current Automatic termination upon charging completion Reverse polarity protection and short circuit protection Over-discharged battery activation Li-ion battery restroration Automatic detection of battery internal resistance and display of battery heatlh Made from durable and fire-retardant PC materials Optimal heat dissipation design Certified by RoHS, CE, FCC and CEC Input – DC 5V/2A 9V/2A 18W (Max) Output – 4.35V±1% / 4.2V±1% / 3.7V±1% / 1.48V±1% QC Mode – 1,500mA*1 (MAX), 1,500mA*2 (MAX), 750mA*4 (MAX) Standard Mode – 1,500mA*1 (MAX), 1,000mA*2 (MAX), 500mA*4 (MAX) Compatible With: IMR/Li-ion/LiFePO4: 10440, 14500, 14650, 16500, 16340 (RCR123), 16650, 17350, 17500, 17650,...