I have this - it works well. 

From: Alistair Bell <albell@SHAW.CA>
To: vanagon@GERRY.VANAGON.COM
Subject: battery combiner - automatic charge relay - another model

> Hi,
> 
> I just bought the BatteryLink 7600 acr to use to separate-combine my
> hose and starting batteries. Its the same idea as the surepower 1315,
> a relay with added electronics. but this model has the advantage (i
> think) of being able to adjust the charging voltages and the cut off
> voltage. After I install it I will report on how well it works.
> 
> Alistair
> 

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