diy solar

diy solar

4000 watt Inverter on 12 V?

3 tested as 3.28 and one as 3.25


"3 tested as 3.28 and one as 3.25"
I'm guess that they are at the same voltage as they were shipped to you.
That is not a high state of charge and requires no action.
If they were above 3.45 volts per then I would maybe do something about it.
Do you have a capacity tester?
 
I'm guess that they are at the same voltage as they were shipped to you.
That is not a high state of charge and requires no action.
If they were above 3.45 volts per then I would maybe do something about it.
Do you have a capacity tester?

No, no capacity tester, do you suggest a specific one?
 
No, no capacity tester, do you suggest a specific one?
I have this one.
Works as expected.
You could do individual capacity tests on your cells.
I assume you have a bench psu to charge them.
 
I have this one.
Works as expected.
You could do individual capacity tests on your cells.
I assume you have a bench psu to charge them.

Thanks for the suggesion, may buy one. I have a bench PSU and a Victron Blue Smart Charger (15 amp).
 
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