SWIT B-mount batteries, chargers and hot-swap plates



B-mount is a new battery interface standard endorsed by ARRI, support 28.8V high voltage for cine industry, side-loading sturdy connection to cameras, no shaking, no vibration on stabilizer rigs, with ID pins to identify 28.8V or 14.4V, adapting various cine gears in the future.

SWIT is one of the B-mount supporter manufacturers from the very beginning, and developed a series of B-mount power system including: B-mount battery, B-mount fast charger, B-mount hot-swap plates for ARRI Alexa SXT/LF/65, MINI/MINI LF.


B-mount hot-swap plate for Alexa SXT/LF/65, never switching off the camera when changing battery.


B-mount hot-swap plate for Alexa MINI / MINI LF, 120 seconds countdown display, just need to mount on a new battery before countdown to 0.


290Wh 28.8V B-mount battery, 250W constant load, 305W peak load, with 2x D-tap of Reg. 16V output, and USB-C 60W in and out, to power laptops, or be charged by USB-C adaptors.


4x 100W Super Fast B-mount charger, save 60% charging time, 3 hours 50 minutes fully charge 4 of 290Wh B-mount batteries, with color LCD charging info display.

Product Details:

  • HB-A290B

    290Wh 28.8V B-mount Battery Pack

    250W/10A high load, D-tap 16V x2, USB-C 60W in&out, OLED power info

  • PC-P461B

    4x100W Super Fast B-mount Charger

    3h50m fully charge 4x 290Wh batteries, 3.5-inch color LCD screen

  • KA-A30B

    B-mount Hotswap Plate for SXT/LF/65

    Install on ARRI ALEXA SXT/LF/65 install, Run 2min at 200W, 120s countd...

  • KA-R30B

    B-mount Hotswap Plate for MINI / MINI LF

    200W high load, 2 minutes hot-swap, countdown seconds display, CNC hou...

  • KA-R31B

    B-mount Hotswap Plate for MINI / MINI LF

    200W high load, 2 minutes hot-swap, SDI 1-2 with isolater, CNC housing


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