ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072] Brand_Balmar See exactly what you need

See exactly what you need with reduced noise and fewer sonar artifacts that impede your picture of fish and structure

Telescopic Cruiser Extension

Stainless steel base distributes loads to a large surface area

F (inch) 2-1/4"

Installs with as Little as 2-3 Inches of Skeg Remaining

ProMariner Battery Isolator - 1 Alternator - 2 Battery - 70 AMP [11072] Brand_Balmar See exactly what you needBattery Isolator 1 Alternator 2 Battery 70 AMP ProMariner Battery Isolators with gold plated terminals and improved efficiency, provide enhanced charging. Rated for use with DC devices ranging from 10 amps to 70 amps. Owner's Manual (pdf)