bignasty Posted June 28, 2013 Report Share Posted June 28, 2013 (edited) This my problem.I have a boat that has 4 batteries on it. I have 3 yellow top optimas and a marine battery. The batteries are connected to a 4 position switch. The positions are off, batt 1 batt 2 , and all. I have the marine battery on position batt1. The have the optimas paralleled for batt2. All the voltages are 12v on all positions. Here is the problem. I bought a 4 bank charger to have the ability to charge each battery separately and condition each battery separately.What is the best way to separate the optima batteries so I can charge them separately? As mentioned , they are paralleled. I thought I can use three solenoids(that are normally closed) to break the circuit(bus)when i put them on a charger and have a relay to active then when the charger is hooked up. I was going to use a 120v to 12v power supply hooked to a relay to switch them. I really want to keep this cheap and easy to maintain. Is there anybody that can give me an idea on how to break the optimas from the bus so I can charge them effectively. Edited June 28, 2013 by bignasty Quote Link to comment Share on other sites More sharing options...
Pioneerchuck Posted June 28, 2013 Report Share Posted June 28, 2013 Cheapest way is with a wrench....Just un-do the cables for the 2nd battery. Then you have 4 seperate batteries charging on 4 different banks. Quote Link to comment Share on other sites More sharing options...
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