The SL-F50 is a 48Wh lithium-ion battery compatible with equipment and accessories using Sony L-series (NP-F) batteries. It supports up to 8A draw, with a 7.2V X-Tap power connector (a separate X-Tap cable such as the C-XTap2 is required to use it) and a 5V USB (Type-A) output for charging USB devices, smartphones and tablets. A 4-LED indicator shows charge level, and the battery is protected from over-charge, over-discharge and over-current at high loads.