The Dracast 1 x NP-F 6600mAh Battery and 1 x Charger Kit provides power to LED light fixtures when mains power is unavailable. The kit contains one NP-F 6600mAh lithium-ion battery and a multi-voltage charger. Runtime is approximately 270 minutes with Dracast's LED160, LED200, X1, or X2 lights on a fully charged battery.