The CUE-D300 is a 286Wh V-mount Li-ion battery built for extended runtimes on cameras and lights, limiting how often you need to swap batteries through a production day. It supplies up to 16.8VDC to the V-mount plate and supports loads up to 14A, with an integrated D-Tap output providing up to 100W of unregulated power for accessories. CUE-series batteries use an internal pack design that cradles and isolates each cell for added reliability and safety, backed by circuit protection against overcharge, overdischarge and overcurrent, plus an automatic 11V cutoff under load to help prevent overdischarging. A 5-LED gauge shows remaining charge. The CUE-D300 should be charged on IDX-ENDURA chargers — third-party chargers may not charge it correctly — and is compatible with all ENDURA V-mount chargers, though a firmware update may be required on some models. It's built from high-grade lithium-ion cells and is recyclable.