The Swit PB-M146S is a high-load V-mount battery in an ultra-compact design that is ideal for long-term operation or for lights with a high-power consumption.
You can use 2x PB-M146S hot-swapable on cameras, by the Hot-swap Adaptor KA-M20S, to get one-by-one hot swap uninterrupted power, and equivalent to a standard size V-mount battery.
PB-M series batteries have “Wire-Free” internal technic. All the cells, D-tap, USB, power indicator devices are directly soldered onto PCB, no connecting wires, to reduce internal resistance effectively, and make the circuit stable, safe, and reliable.