XTAR MC2 - 2 Slot Li-ION Micro-USB Powered Battery Charger True independent 2-channel microprocessor controlled charging with sophisticated 3-stage charging algorithm (TC-CC-CV) Uses high efficiency DC-DC converter to supply proper voltage with minimal loss of efficiency. Works on 10440/14500/14650/16340/17500/17670/18350/18500/18650/18700/ 22650/25500/26650 3.6V/3.7V Li-ion batteries Kit includes charger and Micro-USB cable. 1 year warranty when purchased from an authorized XTAR dealer.f