Package Contents: 1x VC4 Charger 1x USB Cable 1x Storage Pouch 1x Manual Note: There is a protective sticker on all charger screens and it may appear to be scratched when you receive it. Don?t worry, simply remove this sticker to see the actual screen. The charger makes an estimate of how much the battery has taken in mAh, this is what it has put in the battery and does not account for anything that was already in there, it also does not know how the battery will react on discharge, while this charger give some information that is to some degree useful, it is not giving you a absolute true reading of battery capacity. The XTAR VC4 charger is a combination of the XP4C and VC2 charger. This intelligent charger can recognize, charge, and display charging current, battery voltage, and charge capacity of both Ni-MH and Li-ion batteries at the same time. This is a USB powered charger so it can be plugged into any of your existing AC USB wall adapter plugs (e.g. Apple, Samsung, etc.) This charger is compatible with the following battery sizes: 10440/14500/14650/16340/17500/17670/18350/18500/18650/18700/26650/32650/20700/21700 Lithium battery charging parameter: Input Power DC 5.0V 2.1A 0.5A CC Current 500?50m A 1.0A CC Current 1000?80m A Cut-off Voltage 4.20?0.05V Operation Temperature 0-40? Ni-MH battery charging parameter: Input Power DC 5.0V 2.1A 0.5A Pulse Charging Current 500?50 mA 1.0A Pulse Charging Current 1000?80 mA Cut-off Voltage 1.45?0.1V Operation Temperature 0-40?