Add the Neewer Q300 Camera Battery and Charging Accessory with 300Ws, 7800mAh when your setup needs a simpler approach to camera and production power management. Add a practical power option to your camera or monitor kit. Designed around real-world camera and production power management, the Neewer Q300 Camera Battery and Charging Accessory with 300Ws, 7800mAh keeps setup and adjustments approachable. Its listed specifications include 300Ws and 7800mAh.