But you pays your money and takes your choice. However, in retrospect, I would probably have given the edge to having a two-output alternator, combiner for the engine charge bank and manually-switched sense wire. I chose the isolator route for my two house banks and one engine bank, wired per Calder. Personally I don''t like the automatic nature of it. Advantage is that charging is automatic, and if one bank dies (like an open cell), it does not hurt the other bank.ĭisadvantage of the combiner is that it is automatic that the two banks are joined. This kit was designed for the unique features of the stator charging systems for most all of the UTVs on the market today.
#Smart battery isolator vs traditional battery isolator install#
More flexible than traditional battery isolators Simple to install - connect to starting battery, auxiliary battery and ground. A fully automatic Smart Battery Isolator product featuring PEP®.
The benefit is to guard against a weak or dead battery from draining the charge of a strong battery in a muti-branch configuration. And the sense wire on a multi-stage charge regulator needs to see the higher voltage, so should also be wired through an equivalent diode, or else the battery banks will be perennially undercharged. Smart Battery Isolators prevent loads on auxiliary battery from draining the starting battery. A isolator is a electrical device that divides direct current (DC) into multiple branches and only allows current to flow in one direction in each branch. The isolator disadvantage is complex, but the diode has about a 0.7V voltage drop in it, which causes the charging source to rev up to higher voltage to achieve the same result.
On the isolator, it is really a set of diodes (like a one-way valve) that allow the current to flow to both banks without the banks discharging into each other.
On the combiner, whenever the combiner senses charging voltage, it combines two banks (say the engine-start battery and the house bank) and charges both. They are actually entirely different devices, though both can be wired to be able to charge multiple battery banks.
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