Extend the reach of your battery charger and accessories. Add an additional 10-feet of length to any connection. Rugged, watertight connector for maximum performance. Compatible with G750, G1100, G3500, G7200, and G4 models, as well as GENIUS1, GENIUS2, GENIUS2X2 GENIUS2X4, GENIUS5, and GENIUS10. Not compatible with NOCO Boost or Boost X UltraSafe Lithium Jump Starters.