Purchase a dual battery mounting kit for your specific boat which can cost as little as 20 and as much as 200 depending on which kit you choose to install manufacturer provided or not. The easiest way to add another battery while isolating your starting battery.
Amazon Com Waterwich 12v 120 Amp Dual Battery Isolator Kit
Marine dual battery kit. Both components are designed to withstand a life on the water. Use the connect ease outboard dual battery isolatoracr and accessories kit for perfect connections every time. The kit allows you to charge your new and existing battery from a single charging source. Corrosion resistant connections ensure marine grade durability. 12v 140 amp dual battery isolator by keyline chargers voltage sensitive relay vsr pro dual battery kit 46 out of 5 stars 288 11497 114. The most affordable way to purchase the dual circuit plus switch and si7610 acr is to buy a battery combiner kit that includes both the add a battery dual circuit system.
The blue sea system add a battery kit packages a switch and an automatic charging relay acr to help protect and maintain the additions to your boat. The 10a 2 bank charger includes an integrated 65a acr for automatic charging of 2 battery banks off a single engine alternator. Manufacturers 1 year limited warranty. Actually install the wiring and mounting kit which isnt always as easy as it should be. The mini add a battery plus simplifies switching with a dual circuit plus battery switch and allows you to charge at or away from the dock with the battery link charger. Charge management battery isolators used to be the best method of distributing charging current to multiple battery banks while assuring that they remain electrically isolated during discharge.
When properly installed these marine battery switches let you choose one of the two batteries combine them or disconnect both with the turn of a dial.
Gallery of Marine Dual Battery Kit
