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Hey all, I am building a 4x4s40p (I hope that is correct. I know Korishan will give me a failing grade if I messed that up. :D) battery in my RV. I am currently designing my busbars andconnections between each parallel "cell". Before I finalize my design I need some input. My family lives in...

Sorry for all the questions recently. I'm ready to construct my batteries and I only want to do it once. I realized I posted a question that is answered in the FAQ. Totally my bad. :) I've been running solar for a long time, and I spent years as a low voltage electrician, but lithium is a new...

You started out buying a 4 pack of lithium cells after hearing a friend talk about his powerwall project. You figured you'd mess around a bit to see what all the intrigue was about. It didn't seem like a problem. You thought you could control it. Now you're not sure, but you think you may have a...

Hey All, I'm wondering about the importance of removing self-discharging cells from those going in a powerwall. I have small battery packs that I use for mobile charging solutions or portable ham radio equipment, and those are not cycled much. Obviously I remove any cells with self-discharge...

Fusing vs. nickel strips? Ready, set, go!....

Hey all, I've learned a bunch here and appreciate the knowledge that is freely given. I am building a battery for my RV that my family and Itravel in full time. We enjoy boondocking and staying off grid. The 12 volt system has been solely on solar and battery for several months. Irun 800 watts...