Posted March 3, 20205 yr If a new set of 4 Gel batteries have been charged by the inverter to their MAX then disconnected from the inverter and stored for a week how much charge will they lose in the 7 days?
March 3, 20205 yr So someone once accused me of being a google engineer... to which I say... don't you guys check your facts before you repost them? Aaanyway... I googled it. It says about 4% per week. Give or take a bit for temperature and chemistry differences. In our hot summers it will be more. In the back of my mind I seem to remember that after 6 months of no charge it will be empty and completely sulphated. Working backwards from that also gets a number somewhere between 5% and 10% per week.
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