What type of Battery do I have?

[Manuel87]

Hi Guys,

I just bought a Truck Camper and set up my Solarsystem. The preowner bought a EverStart deepcycle maintance free Marine and RV Battery from Walmart (please see pictures). I need to know how to set up my charge controller now.
1. Should I charge it as a AGM or flooded Battery?
2. What kind of Voltchart is correct for my type of Battery? (see picture)
3. How many amps does this Battery have?

Thank you for your help. I'm fairly new to this and really don't know.

 

[rodrick]

That’s a fla battery that’s maintenance free, sealed you can convert MCA to amp hours approximately with a online calculator available on the web

 

[Supervstech]

Keep in mind this battery is basically a starting battery.
It has very little reserve capabilities.
I would be leery of depleting it below 80% charge...
It won't last long if discharged very low.

 

[mikefitz]

Sealed battery, most group 27 batteries have a 100 amp hour rating, perhaps slightly over, that's 5 amps for 20 hours untill completly discharged.
The charts are not very accurate and only valid for a resting battery. Under charge or load the volts for a given SOC will be different. The charge settings needed are 14.4 to 14.7 chargevolts with a 13.7 volt float, +/- 0.1 volts. It's not too critical as the lead battery is tollerent.
The charge current will idealy be in the region of upto 15 amps. Load current continious , say 20 amps maximum.
It's recomended not to discharge to below 50% that's around 12.0 volts with a small load, example, led lighting.
It most likely won't have a long service life but should give a good introduction to 12v DC systems

Mike

 

[Manuel87]

Sealed battery, most group 27 batteries have a 100 amp hour rating, perhaps slightly over, that's 5 amps for 20 hours untill completly discharged.
The charts are not very accurate and only valid for a resting battery. Under charge or load the volts for a given SOC will be different. The charge settings needed are 14.4 to 14.7 chargevolts with a 13.7 volt float, +/- 0.1 volts. It's not too critical as the lead battery is tollerent.
The charge current will idealy be in the region of upto 15 amps. Load current continious , say 20 amps maximum.
It's recomended not to discharge to below 50% that's around 12.0 volts with a small load, example, led lighting.
It most likely won't have a long service life but should give a good introduction to 12v DC systems

Mike

Ok, so I will put the charge controller to the sealed/AGM charging Mode. Thank you. I understand that the voltcharts are only valid for a resting battery. When I'm reading it at night and only the co2 detector and the controlpanel from the fridge is running, I get 12.7 volt. Is this fully charged or should it be above?

 

[Supervstech]

Ok, so I will put the charge controller to the sealed/AGM charging Mode. Thank you. I understand that the voltcharts are only valid for a resting battery. When I'm reading it at night and only the co2 detector and the controlpanel from the fridge is running, I get 12.7 volt. Is this fully charged or should it be above?

The above posts classify the battery as flooded lead acid with sealed caps...
Not the same as SLA or AGM...

 

[Manuel87]

The above posts classify the battery as flooded lead acid with sealed caps...
Not the same as SLA or AGM...

Oh ok got it. So I will put it to the flooded mode then. As long as I understand it the only different is that the controller will put the the equalization voltage to 14.8V every 28 days for 2 hours. (see picture) I was just afraid of killing the Battery because of that, if it is not flooded.

 

[mikefitz]

12.7 volts on a light load is near full.
I would avoid equilisation on a sealed battery.