ProMariner Universal DC Cable Extender The ProMariner DC Cable Extender features a universal design for all marine chargers with ring terminal cables. Use these cable extenders with all on-board marine battery chargers when standard battery charger cables do not reach your bow, center mount, or stern battery compartment locations. These cable extenders are color coded for quick and easy installation and dont require any cutting, stripping, or splicing. Features corrosion-resistant tinned 12 AWG