I have an interstate srm-24 deep cycle battery

mrouse2323

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Oct 25, 2024
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17
i am setting up for solar ...will this battery work? it has 81 ah 140 rc 690 mca

recommendations...befor ei get to invested want to make sure i can charge this easily with a 200 watt panel 30 amp....
 
i am setting up for solar ...will this battery work? it has 81 ah 140 rc 690 mca

recommendations...befor ei get to invested want to make sure i can charge this easily with a 200 watt panel 30 amp....

Depends on your definition of "work"?

Will it charge from solar?... yep... but a battery with the specs you posted isn't much good for boondocking/off-grid power use. You say in the title it is an Interstate Group 24 deep cycle so I'm assuming it is a FLA? (flooded lead acid)

What do you plan to power with this battery?
 
Last edited:
i am setting up for solar ...will this battery work? it has 81 ah 140 rc 690 mca

recommendations...befor ei get to invested want to make sure i can charge this easily with a 200 watt panel 30 amp....
Your battery is FLA with 81 amp hours. You can only use ~40 amp hours before you risk serious damage to it.

The product page for you TT says it has an Everchill 3.3 cu.ft. 12v frig. (if it is a newer model)
That frig's spec's say it is 12vac - 15amps - 180watts.
Running amps are 11amps.

You can charge that battery with the solar setup - - BUT - -
that battery coupled with a 12v frig will be lucky to last 8-10 hours before it is dead, dead, dead. (and I would bet less than that)

You didn't ask for any recommendation but . . . toss that battery. It is useless for anything except camp queen. Get at least a 100ah LiFePO4 battery. If you want to do any boondocking for more than a few days get a 200ah lithium.
 

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