Best Of
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Re: wiring a 48v bank with 9 strings of 12V
I know of someone who has a Battery Bank much like the attached PDF. I has been working well for 3 years, now The deviation in the specific gravity readings in all of the cells, in every battery, is…1 · -
Re: How to power an established well pump with solar
If this was an off-grid (I'm off grid) cabin, I'd pump to a storage tank above ground, and use a small 12V RV style booster pump to get water to the fixtures. There will be days without sun…1 · -
Re: strange action
I think Bill has very kindly said the voltage drop you are seeing is due to the wires between the lithium batteries and your inverter.....1 · -
Re: strange action
Resistance heaters typically do not have a large surge (there may be some, many elements can have lower resistance when cold). Placing a voltmeter right on the DC inputs to the AC inverter and see if…2 · -
Re: How to power an established well pump with solar
I'll attach the generic chart for Pumps , Motors, Power. To actually run from Solar and batteries will be expensive. A mid-size generator might be a better thought.small inverter generators…1 · -
Re: wiring a 48v bank with 9 strings of 12V
Poster 2manytoyz has a lot of about his DIY solar system over the years... With lots of pictures. One method would be to put 4x batteries in series. Then run a + and - lead from each string of battei…1 · -
Re: The 12.6 volt mystery
I did check the voltage and it read 13.43! Woohoo full charge. We had a few sunny days and the battery in the van was reading 13.1. I reinstalled the battery that was on the charger and the charge co…1 · -
Re: IBM's new battery, we hope!
The lead can be easily recycled and one is paid for that. I just recycled a 10 kwh NMC battery and it cost me $300. I also had no way to find out what happened to this battery after it was dropped of…1 · -
Re: Purchasing old solar panels
Hi Bill, ... I own a home Improvement company in Upland CA and in one of my offices (Commercial Division) I have hung new and old solar panels on the wall and I thought would be real cool to hang a f…1 · -
Re: Charging LiFePo4 in a hybrid system
Thank you both for your help and information. I'll have to wait until the Chinese economy gets over the COVID-19 virus. I'll let you know how it works in practice.1 ·


