Specification Operating Volt Range : DC 11.0-18.0V AC Input : 100-240V 50/60Hz Circuit Power : Max Charge 80W , Max Discharge 10W Charge current Range : 0.1-6.0A Nicd/Nimh Cell : 1-15 Cells Lipo/LiFe/LiIon : 1-6 Cells PB Voltage : 2-20V Dimension : 135x145x43mm