Most reacted threads

Hi all I would love some quick help:) I final built my diy 16s battery with Catl 302 cells Have a charge profile I’m good with but does any one have a good recommendation for the absorption time? Thanks a bunch! Charge controller. Midnite classic 200

Hi folks I have not been around much but I have a small off grid home with lead acid and working on switching to Li fe batteries. Michael Caro helped me order cells back in February and I have not seen them yet. And now I can not seem to get ahold of Michael. any one have a contact for him? I...

Hi all~! Im new here but not that new to solar. My wife and I have built own off grid home in Wyoming and we power it with a 2400W system We are pretty very happy with our system except our batteries which we are pretty disappointed with. we have 8x 6 v 200 amp hr amg batteries and feel we...

Ok for those of you that have not been. Following I’m just about to put together my catL302 in a 16s 48 v conversation Just want to make sure I’ve got the steps and not miss anything 1 top balance 2 hook up bms 3 class t fuse 4hook up to inverter 5Change charge proflie Am I missing...

Hi everyone, truly appreciate any help that people might be able to send our way We have a small off grinding home. 2800 watts of pv 2 strings of 4 300 w panels Midnight classic 200 charge controller Magna sin 4000 watt off grid inverter 16s diy battery with overkill bms That we replaced...

Now that I’m getting ready to install my new batteries. I have my old lead acids to deal with. (Cb6) 48 volt system.) Is it possible to hook these up in parallel with my LIFEPO for just add more capacity?

Hey folks, As I said I finally got my 302 Ah CATL cells form Michel! ( big thanks there!) Now I need to hook them up!! ( so excited) I know there are couple of good write ups out there, but I seem to have lost my links for them also. I was hoping some folks might have some specific advice...

Getting ready to get into building my bank. I’ve got some time , I’ve heard you can top balance by hooking up the cells and waiting quite a while. Does anyone have experience and a method for this? How long does this take? Down sides? Is top balancing routine maintenance so I should just...

I am planning to get 16 280 ah cells to build a bank, which seesm like it might be a bit bigger than I need and I saw thers on ebay sooo cheep.So what am I missing or do not understand about these cells I found on ebay? ( link below) I assume there is some reason why they are not what I...

Hi all, I’m new here and just feeling my way around and moving to upgrade to a DIY lithium battery build. Anyhow currently have a 48 V system with 8 6 v lead acid 200 ah batteries. We installed the system a little over three years ago and I really noticing some performance drop. We have done...

Hi folks, Not Long ago we replacers our 8x200 AMPhr CB6 Agm batteries with a DIY 16 s 301 ahr battery bank.. This left us with 8 tired but still good AGMs We are a small off grid home, and we would love to run an additional freezer without pulling too much form our primary home system...

Just wanted to get a quick opinions before I order one. Thanks so much Happy holidays!

Hi all, Here is a bit of background, We live in a small off grid home in Wyoming. We have 2400 watt of panels, 4400 watt inverter and 8x6v agm cb6 batteries For the most part this systems does all we need, we are careful and powering off most big draws when we don’t have sun… how ever we...

So here is the deal. I’m building my new battery, (see other posts) it will be house in a well insulated but not heated shed that mostly does not get below 20-25 deg f. Usual the coldes it hits is 34 or so. But we do get some cold snaps out here I. Wyoming. And how if LFP batteries do...

Hey folks at some point i found a nice step by step diy lifep04 battery write up but I can’t seem to find it. Anyone have a link to that sort of thing? Thanks a ton!

is it worth building a fire resistant battery box like out of cement board for my 48 v 16 s system?