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Agm resting @ 12.4 charger topping out at 14.2.


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Posted

Lol i had one of those before and they always charged above 15.4 volts lol

Also did a bad job at charging my batts

i just use a xs power 12v charger and a battery tender jr for a slow charge.

Posted

It's not a Schumacher buts it's a older smart chargers that does not compensate for temperature. Today it warmed up a bit so I put them back on the charger and when I took them off they were holding better. @ 12.7. I think it's just time for a new smarter charger. Anyone here heard of noco genius chargers ?

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Posted

Get a xspc15 charger..it has recovery mode and helps bring up voltage on batts..I had two kinetik 2000 resting around 12.7 I put them on recovery mode took about 2-3 weeks now there resting at 13volts! It's been about a month and still holding

  • 2 weeks later...
Posted

I was reading on the odyssey site that discharged agms will need a high current charge of atleast 25% of the amp hour rating and smaller charger are only good for charging from 90-100%. With that method I would need a 30 amp charger.

So this leaves me with many questions. Like does high frequency chargers get around this ?

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