Any battery experts in here?
Hey guys, im not sure if this is the best category for my question, please let me know if there is a better place to post this. I have a van im working on, and I am trying to decide to mount the AGM h...
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Ok, so I got my batteries set up and everything. Ended up pulling the console and puttiing them there with a custom console over it. But I'm not quite understanding how the charging works. I've got 2 155 amp hour agm batteries and the pro mariner 40 amp charger and a xantrax monitor.
I've got lights, tv and mini fridge all hooked up running on a 1000 watt inverter. All works fine, but the charging part is baffling me. From what I've learned, the charger charges in "fast charge" mode until it gets over 12.8 volts then kicks into "absorption" charge.
Yesterday I got it down to about 12.2-12.3 volts. I drive down the highway for over 2 hours before the absorption charge kicked in. About half hour after that kicked in I had to stop but left it running. The volts were 13. Started driving again, and not 5 minutes after driving the absorption charge stopped and volts dropped down to 12.5. Had to stop again, this time I turned the engine off. When I started it back up the volts shot up to 12.9 and the absorption charge kicked back in.
Got to my spot for the night about 10 minutes later and shut her off. Just fired it back up like an hour ago and volts went up to 12.9 again and absorption change kicked in. Then after it idled for a bit the volts dropped back down to 12.5.
Been idleiing for over an hour and the volts are at 12.6. There are times when I will drive just in town for an hour or so and the volts will actually be .1 lower than when I left, and the inverter isn't even on. Sorry to be so long winded, but I don't know **** about this and I'm confused as hell. Can any experts shine some light on this?
I've got lights, tv and mini fridge all hooked up running on a 1000 watt inverter. All works fine, but the charging part is baffling me. From what I've learned, the charger charges in "fast charge" mode until it gets over 12.8 volts then kicks into "absorption" charge.
Yesterday I got it down to about 12.2-12.3 volts. I drive down the highway for over 2 hours before the absorption charge kicked in. About half hour after that kicked in I had to stop but left it running. The volts were 13. Started driving again, and not 5 minutes after driving the absorption charge stopped and volts dropped down to 12.5. Had to stop again, this time I turned the engine off. When I started it back up the volts shot up to 12.9 and the absorption charge kicked back in.
Got to my spot for the night about 10 minutes later and shut her off. Just fired it back up like an hour ago and volts went up to 12.9 again and absorption change kicked in. Then after it idled for a bit the volts dropped back down to 12.5.
Been idleiing for over an hour and the volts are at 12.6. There are times when I will drive just in town for an hour or so and the volts will actually be .1 lower than when I left, and the inverter isn't even on. Sorry to be so long winded, but I don't know **** about this and I'm confused as hell. Can any experts shine some light on this?
