This Power Genius 4 Pack 2 - 6S 2in1 Parallel Charging Board - XT30 & XT60 is perfect for RC enthusiasts, hobbyists, and anyone dealing with XT30 and XT60 batteries. It simplifies charging by eliminating the need for separate boards. You can't use the XT30 and XT60 ports simultaneously and it doesn't come with an XT60 Extension Cable. The board has high - quality gold - plated connectors, a balanced port output line with 18AWG multi - strand silicone wire, and a thicken PCB copper foil. It also has a 40A fuse between battery groups for safety. Supports up to four packs of 2 - 6S batteries.