The Blackmagic Design LP-E6 Battery for Pocket Cinema Camera 4K/6K lets you add power backup for many Blackmagic cameras and accessories. This 2000mAh lithium-ion battery is compatible with the Video Assist monitor, new Blackmagic Pocket Cinema Camera 4K/6K, Blackmagic Micro line of cameras, and is suitable as either a replacement for your lost battery or a spare for when you need extra juice. Additionally, the product weighs 2 oz.