Ronin 2 uses a 4280 mAh-22.8 V Intelligent Battery. The Inspire 2 uses the same battery and is compatible with Ronin 2.With two fully-charged TB50 Intelligent Batteries, the gimbal system will last up to 8 hours. When powering Ronin 2 and a RED Dragon camera simultaneously, the Ronin 2 dual-battery system will last up to 2.5 hours.