BAT-SAFT Medium Safety Battery Chargin Box. For RC, Drone or FPV. Charging space: 24516387mm/9.656.423.43in. Outer dimensions: 305230163mm/1296.42in. Weight: About 5.3lbs / 2.41kg. The simple solution to safely charge any battery containing lithium. If you are into drones, FPV or RC, or just using lipo batteries in other applications, be aware that they might catch on fire whilst charging. The BAT-SAFE is a double-walled insulated steel box with a flame arrestor. Any battery within the specifications will be no fire hazard if charged or stored inside the BAT-SAFE. In case of an accident, the smoke and soot are also filtered by the flame arrestor. BAT-SAFE did already save homeowners from losing their property. It is easy to use, comes with a carrying handle and a removable charger stand. You can charge and store up to a 2pc 3S 2200mAh equivalent (50Wh) safely inside the BAT-SAFE MINI. 1 We accept return item(s) within 60 days after you received the item. 4 The item(s) MUST be in unused condition AND in its original packaging (cannot be glued or tampered with in any fashion).