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when I attach an inverter (turned off, unloaded) to my battery system there is an inevitable inrush of voltage to fill the capacitor. I wonder what is the best way to do this and reduce this spark. I've read of people using a 0.1Ohm resistor, which I assume is sufficient to slow it down. Before...

Hi I have been planning this for some time and now its come together. the inside parts the major components for this are: 250W panel (32v) = $20 MPPT solar charge controller = $40 2x RC95 lead acid car batteries @$90 = $180 2000W (4000peak) inverter = $240 sundry wiring and more full...

Hey just decided to join with the group as the questions / answers seemed pretty good and while I know some basics fairly well I'm not as experienced as I'd like with some of the details. I hope to help as much as I learn. Thanks

Given how important it is to not expose the plates to the air I wonder why its harder and harder to find batteries with access to add water. Is it just that: makers think people are too incompetent to be able to do this makers want to sell more batteries

Hi I've played a little with some systems for camping (powering a 12V fridge) and have a reasonable understanding of the basics, however my problem is perhaps a little complex so I'll try to explain it as best I can. I want to charge a battery (a collection of cells of course) and use that...

Good morning all of my present lithium experience is with eScooters and larger packs (13S4P and 16S6P 18650 cell configurations of course with BMSs) and I was wondering about how the (there surely must be a) BMS's go inside monolithic 12V 100Ah battery packs go. Accordingly I have a few "newbie"...

Hi I can access the site using my laptop, but when I try to use chrome on my phone I get this error message So just now I tried that link in an older browser on my phone and got a certificates error I thought someone should know