SmallRig Data Cable for DC5521 to LP-E6 Dummy Battery 2919

Dynacore D-TS Hot Swap system.

The D-TS is a Universal Hot-Swap battery mount, it allows the user to hot-swap a fresh battery while still operating equipment, so you can remove the depleted battery while the leaving the other battery connected so that there is no downtime.
Utilising the V-Lock mounting system, it can be attached to any portable device with an existing battery bracket.

Prolycht Battery Mount Adapter Kit for LED panels.

The Aputure 2-Bay Battery Power Station is a battery inverter that uses two industry-standard 14.4V/14.8V Gold or V Mount batteries and outputs a 48V DC current via 3-pin XLR. With this power station, users can bring the flexibility of battery power to any 48V lighting fixture, such as the Nova P300c or Amaran 100 & 200 series of LED lights.