any issue with charging a agm battery using noco genius normal mode?

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May 27, 2023
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hey all, i may have charged a agm battery using the noco genius 2 normal mode rather then the agm mode. is this any ill effect to the battery? or is it fine?

thx
 
hey all, i may have charged a agm battery using the noco genius 2 normal mode rather then the agm mode. is this any ill effect to the battery? or is it fine?

thx
What is the charge voltage of the NOCO in normal mode? In AGM mode? As long as the voltage in normal mode in not higher than specified for your particular AGM battery, it will be OK. But AGM batteries are less tolerant of overcharging than flooded batteries.
 
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I've heard if you use a normal charger to charge an agm, to charge at a low amperage like 2 amps. Apparently these batteries charge much quicker than regular flooded lead acid batteries opinions? My side by side battery dies of it doesn't get used enough. I just spent $180 on an agm powersport battery for it last year. Should I jist charge it at 2amps for a couple hours and throw it back in the side by side and go for a ride?
 
I charge
It’s better than nothing. AGM has lower self discharge.

Just don’t do it again ;)
I charged it back up on the 2amp setting, that small battery sure charges quick compared to a regular flooded lead acid. I think that's what the internet was saying that it can easily be overcharged with a regular charger
 
I charge

I charged it back up on the 2amp setting, that small battery sure charges quick compared to a regular flooded lead acid. I think that's what the internet was saying that it can easily be overcharged with a regular charger
How big was the battery? Slower and lower is often better, no heat, less overpotential, less gassing. Some batteries can take it, others have a harder time.

Sounds like you went safe and it’s fine. If you’re above sulfation voltages, you’re not damaging anything. You’re good.
 
How big was the battery? Slower and lower is often better, no heat, less overpotential, less gassing. Some batteries can take it, others have a harder time.

Sounds like you went safe and it’s fine. If you’re above sulfation voltages, you’re not damaging anything. You’re good.
Like 400cca basically a riding mower battery
 
How big was the battery? Slower and lower is often better, no heat, less overpotential, less gassing. Some batteries can take it, others have a harder time.

Sounds like you went safe and it’s fine. If you’re above sulfation voltages, you’re not damaging anything. You’re good.
what voltage is above sulfation voltage? It was flat dead at like 11v when I initially checked it and it slowly came up and I took it off once it was holding like 14v and it was right at 12.6v resting. I think this side by side is like a car where it has stuff on it that draws a small amount of juice to retain settings and such. My boat doesn't have this problem it has two batteries with a battery switch and I constantly forget to switch to the other battery so it can get charged/used too.
 
what voltage is above sulfation voltage? It was flat dead at like 11v when I initially checked it and it slowly came up and I took it off once it was holding like 14v and it was right at 12.6v resting. I think this side by side is like a car where it has stuff on it that draws a small amount of juice to retain settings and such. My boat doesn't have this problem it has two batteries with a battery switch and I constantly forget to switch to the other battery so it can get charged/used too.
100% SOC for the specific alloy.
 
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