The Bescor BM-EPIC Battery & Charger features a clip-on battery pack with a 3' cable with a 2.5mm barrel connector compatible with the Rotolight NEO and NEO 2 LED lights and Blackmagic Cinema Camera. The battery has a military-style clip on the back that allows attaching it to belts, rigs, and other gear. It's a 14.8V lithium-ion battery that operates between 12V and a peak of 16.8V. It has zero memory effect and is rated for over 500 charge cycles.When used with the Blackmagic camera, the battery provides approximately three to four times the power of the camera's internal battery, which lasts about 90 minutes in average applications. The included charger outputs 16.8V and provides a full charge in about three to four hours. Green and red indicators confirm charge status.