The GBC007 Boost X-Connect Adapter allows you to easily swap between NOCO Boost and Boost X UltraSafe Lithium Jump Starters and NOCO Genius Smart Battery Chargers. It features an 18.5-inch eyelet terminal accessory with M6 hole size, and 8AWG silicone wire maintains flexibility in cold environments. Jump start with GB20, GB40, GB50, or GBX45 Boost and Boost X UltraSafe Lithium Jump Starters or charge NOCO Genius Smart Battery Chargers using the included adapter. Compatible chargers include G750, G1100, G3500, and G7200, as well as GENIUS1, GENIUS2, GENIUS2X2, GENIUS2X4, GENIUS5, and GENIUS10.