NOTE: Due to the battery regulations, we cannot ship this product outside the USA

This is the battery pack that is recommended by Brook to use with their PS3/4/Switch Wireless Fighting Board and is required for it to work in the wireless mode

When used with their wireless fighting board, the battery will recharge each time the USB cable is plugged into a USB socket that provides power

3.7V at 1800mAh capacity Lithium-ion battery