Features: 2 in 1, can be V-mount battery plate and battery charger. Support 110 ~ 240V AC power supply, great for indoor long time shooting. You can switch power supply between battery and AC power freely, PMIC（Power Management IC）technology ensure no power interruption. Multiple output ports: 5V 2A / 8V 5A / 12V 5A / 14.8V / Usb. Large output power, suitable for cameras adopting 7V -9V V-mount battery, and the 14.8V output port support most large camcorders of 12V -16.8V wide voltage input. The detachable rod clamps can be mounted on 15mm rods, 90angle adjustable. A belt clip on the back for hanging the battery plate. All metal constructed, hard and durable. The AC adapter port and BP charger port allow multiple stack to extend out multiple output interfaces for devices/cases in need of multiple input supplies.