Battery threads are abundant and many of the same type problems
There are about three primary ways the battery banks are connected and recharge
Read up and if you don't have a VOM you need to get one and start checking
My Trombetta solenoid failed at less than a year. Most newer systems use a bit different solenoids and relays but the battery connections typically work the same
AGS, panel monitoring and awareness all lead to knowing what is going on and how to prevent dead batteries
Bottom line is knowing how your system is supposed to work and using the VOM to make sure it is
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