The Fxlion BP-BV300 Bi-Voltage Smart Battery. 28.8V/293Wh. – With 16V constant 2*D-Tap outputs – 5V/2A USB-A output – 5V~20V/3A – USB-C output/input. The innovative Fxlion BP-BV300 Bi-Voltage Smart Battery can output 14.4V for camera power and lighting. But it can also output 28.8V for camera and high power lighting. Main features: – Automatic switching between 14.4 V and 28.8 V – SMBUS system communication – USB-C input and output – Shock-resistant battery – 5-level indicator of the charge level