How to monitor battery state of charge
Based on advice I recently got here I upgraded my TT battery setup to two golf cart batteries. I won't be upgrading my converter or any other parts of this system (or adding solar) at this time, alth...
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When using the voltmeter remember it just shows the charging voltage when charging and only gradually decreases over a few hours after charging ceases so you cannot find the per cent of full charge for a few hours after any charging. Also, drawing current from the battery decreases its voltage adding another complication to the voltage method. I wasted my first set of batteries relying on the idiot lights which use the voltage method.
This $29 battery monitor always shows the percent of full charge accurately and has positive reviews on this forum. The 25 amp version has worked very well for me for several years. Ebay.com battery monitor
This $29 battery monitor always shows the percent of full charge accurately and has positive reviews on this forum. The 25 amp version has worked very well for me for several years. Ebay.com battery monitor
