Features:Suitable for 3.6V/3.7V Li-ion & 1.2V Ni-MH/Ni-CD cylindrical rechargeable battery of size between: (diameter: 0-32mm， height: 34-70mm). Capable of charging 4 batteries of different size and with different capacity simultaneously.Intelligently recognize and charge NI-MH/Ni-CD & Li-ion batteries and automatically choose the most suitable charging current from 0.1A-1.0A to maximize battery lifespan.LCD displays charging current， battery voltage， charging capacity.0V activation function can rescue your over-discharged batteries.Reverse-polarity and charger short circuit protection.Automatically stop charging when complete.Compatiable with any USB power， convenient to use any wall adapters， computers and power banks.Specifications:Color: BlackMaterial: ABSSuitable for: 3.6V/3.7V Li-ion & 1.2V Ni-MH/Ni-CD cylindrical rechargeable battery of size between: (diameter: 0-32mm， height: 34-70mm) Charger input: DC 5V 2.1AItem size: 14.5 * 11 * 3.5cm / 5.7 * 4.3 * 1.4inItem weight: 224g / 7.9ozPackage size: 21 * 12.5 * 4cm / 8.3 * 4.9 * 1.6inPackage weight: 337g / 11.9ozPackage List:1 * Battery charger1 * USB cable1 * Carrying bag1 * Manual(English)Note:Max charging current of channel 1&4 is 1.0A， channel 2&3 is 0.5A.The diameter of channel 2&3 are smaller than channel 1&4， so batteries like 22650 or bigger should put in channel 1&4.The batteries in the picture are not included.