RivenAn LP-E4 Battery Charger For Canon EOS 1Dx 1Ds Mark III EOS 1D Mark IV LC-E4 LPE4 Smart charging LED indicator. Foldable flat pin for easy storage. Auto switching power voltage from 100V-240V AC. Input voltage AC:100-240V ;Output voltage DC:12.6V Includes universal 100-240V AC power source,