B-mount Hot-swap Plate The KA-A30B is a B-mount hot-swap plate for ARRI Alexa SXT / LF / 65 install. You don’ t need to switch off the camera when changing the battery.
28.8V Power for ALEXA Working with 28.8V B-mount battery, the KA-A30B power ALEXA SXT/LF/65 cameras at 28.8V (22-33.6V) by the rear contact pins, and when remove B-mount battery, the KA-A30B output reg. 28V to camera for hotswapping.
2mins at 200W load The KA-A30B has 32Wh/3Ah battery cells inside, 200W constant high load, even after 1000 cycle times, the plate can still ensure 2 minutes hot swap time for changing batteries.
120s Countdown Display The KA-A30B provides an LCD screen to display countdown seconds when changing battery. When the battery is removed, the screen will countdown from 120 seconds. You just need to put on a new battery before it counts down to 0. The new battery will charge the hotswap plate as well. You can see the countdown seconds will go back up to 120 seconds after a period of time.
Power Interfaces KA-A30B provides:
2x D-tap 14V Reg. output
1x 2-pin LEMO 14V Reg. output
1x USB-A 5V/2A output
1x 8-pin 22-33.6V input (For power station hotswap)