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Compass Marine How To | all galleries >> Welcome To >> Installing A Marine Battery Charger > Parallel Batteries - Correct Hook Up
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Parallel Batteries - Correct Hook Up

Parallel Batteries - Correct Hook Up

This illustration will better show how to connect charger sources and loads. Connect "across" the bank and it will cause the batteries to charge & discharge more evenly and uniformly.

This is the recommended diagram by every battery manufacturer I know of from Trojan, Lifeline, Deka/East Penn, Odyssey to Rolls Battery and just about everyone in-between.

other sizes: small medium original
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Guest 16-May-2014 14:16
( batt_con.html)
a whole long article about the methods of connection batteries...
Guest 16-May-2014 14:14
this is a decent solution, but there are better ones....

If you draw a 100 amp load in this solution the two outer batteries will provide 26.7 amps
and the tow inside batteries will provide 23.2 amps

( smartgauge dot co dot uk )