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This happens all the time with my stuff. The warehouse is somewhat close, but it ships it around the country to get to me. Never the same route Friday, April 7 3:06 PM Package arrived at an Amazon facility. La Vergne, TN US 6:08 AM Package left an Amazon facility. Atlanta, GA US 3:24 AM...

Went with 230 cells on my build because of space issues. I am going to post capacity tests etc to this thread. I pick them up tomorrow. Initial setup I'm thinking will look like this Does that look OK? Bms will be rec bms. I am also going to compress the cells with boards and threaded...

Wow color me impressed. I purchased 16 batteries in July 2020 for 95 dollars each shipped. Then life got in the way, I moved etc and the batteries were in storage for the whole time. Stored outside in a storage crate. To include Florida summers and a cold Tennesse winter where some days...

I really need to buy my cells for my battery packs. I am in a perpetual state of analysis and just need to buy already ? Buying 48 cells. I see the ganfeng 280s for 115, seem like a good deal at 18650. Anyone using these? Any reports on them? They also have the catl and calb 30(x) I have...

Been emailing different bms companies trying to confirm if they will work with my sol-ark 15k on the can bus. So far 2 have replied. Rec bms said they can talk pylontech and provided me with lots of info, including part numbers that work with my system. So orion emailed me and said that the...

Could I get some help designing my workshop solar setup? I have a 40x60 shop being built that I want to put solar on. I have the panels I purchased at surplus but I need everything else. I do have some 24v batteries and some lifepo cells. I need everything else. This system will not sell to...

I have an Amrel DC load tester that I have been using to test batteries. I have successfully used it to test many 12v and 24v batteries with no problem. I am now trying to test some 3.65v 280ah cells and I am having issues. Soon after I start the test the load goes into protection wit an...

So I am pretty sure the batteries in my F250 are starting to go. I can tell the truck just seems to crank a little slower. It got me thinking. I have this fancy programmable dc load I have been messing with and it has all kinds of parameters it can set. So far I have just been using it to...

So awhile back I purchased a DC Load off of ebay. For sometime now I was thinking I wasted my money because this thing was a PITA to program and I was getting ready to toss it out the window. the problem was it returned to dam many OK radomly. LOL but anyway . . . I found a great program on...

Like in a battery discharge test. I am logging W, V and I every second and I need the formula to figure total aH Thanks

And is willing to help me with a script? I am trying to test batteries with a DC load bank that understands some scpi. I know nothing about programming and put together a script that I mostly copied from magnaload. Obviously it does not work, but it connects to the load and opened an empty...

I am a big car lover, a mini collector of sorts. My profile pic is a 1967 Plymouth GTX I just sold so I could fund my habit. Currently I am into Porsche. I am going a little crazy with them because I am spending to much money but hey I am having fun :) My DD is a Ford F250 but my weekend...

I have some exra panels for sale from my order. $100 for one panel, discounts on multiples Pick up only, Tampa FL area. Local delivery available depending on situation. I also travel a lot around FL and back and forth to Chatanooga TN.

If I wanted to buy aluminum and/or copper bar how do I determine the amp capacity of the different widths and thickness? Is there a chart or formula that is available? I don't want to buy stuff that does not work correctly. This would be for buss bars on batteries and battery packs Thanks

Hi all Just jumping in in a big way to this solar and really trying to learn but need some help. I have 2 of the Lion 1300 that I got from costco. My inverter charger is 24v I have set everything up and its working but I am not sure of the best way to set up the charging. Right now I have it...

Be gentle please I am a complete Noob with solar and batteries etc. This is a hand truck I am building and it is way oversize. It is for hurricane emergency and for boondocking. I designed it so the DC cables can be rerouted to a bigger external battery pack. Two lion 1300's are there for...

Hi All Been interested in solar for a long time but never really had the time for it. I am semi retired now so I thought I would dive in. I have a few projects sketches in my mind and I am sure I will be discussing and asking for advice. First project is a solar generator of some type.