AGM question
Should my battery read 12.41v under load when it is basically fully charged? Backstory: I saw that I'd accidentally bumped the switch on my inverter. Not knowing how long it had been on, I put a vo...
Forum Discussion
Sounds like a light load, and get used to not knowing much about the state of your battery. As niner said, unless you disconnect your batt and let it sit overnight and THEN test it, it isn't going to give you an absolute reading.
Instead, keep using your battery as you please, mindful of the ah rating and 20-hour rate of discharge it was designed for. Over time, when the battery fails to power as much stuff for as long as it used to, your battery is getting old. When the failure to hold a charge becomes a problem, it's time to replace the battery. This will typically be four years.
The OP has learned on this forum that the deeper the battery is discharged the sooner it will grow old. Also that the faster that the battery is discharged the sooner it will run out of charge (Peukert effect). I recommend the OP use and enjoy the battery!
Instead, keep using your battery as you please, mindful of the ah rating and 20-hour rate of discharge it was designed for. Over time, when the battery fails to power as much stuff for as long as it used to, your battery is getting old. When the failure to hold a charge becomes a problem, it's time to replace the battery. This will typically be four years.
The OP has learned on this forum that the deeper the battery is discharged the sooner it will grow old. Also that the faster that the battery is discharged the sooner it will run out of charge (Peukert effect). I recommend the OP use and enjoy the battery!
