This
LP-E6 Compatible battery charger is pocket sized charger that is compatible with all LP-E6 batteries. It is included with all Zacuto EVF models. Automatic current control prevents overcharging and electric shock. The LED indicator lets you know when you’re charged and ready to go.
A/C power supply input voltage: AC100V~240V
Output voltage: DC 8.4v 600mA
Dimension: 3.25 x 1.5 x 1.75 inch