Quote:
Originally Posted by BPO
Hi Ian.
Are you sure the cells are fully charged (~13.6V on charge and ~12.8V off) before and when you load them up?
A healthy 80W panel outputs ~4-5A max. in direct sun, so it'll be struggling to keep up with demand if you're using the battery bank regularly and/or for extended periods. (Or after extended cloud cover.)
And I also second the suggestion you upgrade to a pure sine wave inverter. Mod sine can play merry hell with some devices, including charger/PSUs.
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G'Day ,BPO
They do charge up 13.5 v and drop to 12.5v ,the most time I would use the system would be about 4 to 5 hours a night (not every night) and nothing is running during the day .What size pure sine wave inverter would I need to run the laptop because I think the type of inverter I am using may be the problem.
Ian C