The new lightweight backpack PowerCell is designed to power the Litepanels 1x1 light as well as the Ringlite Mini. Litepanels Slimline modular production light employs the company's proprietary LED technologhy. Now, with this detachable Lithium-ion Battery, Users of the 1x1 have 1.75 hours of run time and weighing less than 2 pounds. and can be charge in just over 1 hour.