Power your B-mount compatible ARRI ALEXA camera or LED light using this High-Power 28.8V Lithium-Ion Battery from FXLion. Designed around the cutting-edge B-Mount system developed by ARRI and bebob, this 196Wh battery features advanced SMBus communication that sends information such as capacity, remaining working time, cycle data, and more to a connected camera.

The battery provides of a plethora of connectivity options, including two constant 16V D-tap outputs, one USB-A output of 5V at 2A, and one USB-C port which supports power input of 20V at 3A, and power output from 5V to 20V at 3A. Through its B-mount, it supports a 10A draw and 250W maximum load, and includes a built-in smart PCB that defends against over-heating, over-charge, over-discharge, and over-current. Power status is indicated by the five-level LED, while handling is made easy by its contoured, easy-to-grip form.