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I just ordered one with the free shipping. Has anyone else ordered (or better yet received) one? It would be interesting to test it at the full power output claimed (950 watts is their recommended limit). The most interesting thing would be performance at 58.4v (3.65v x 16) and 950 watts power...

I'm starting this thread to help people figure out some of the most common Daly BMS problems. Please feel free to add additional solutions. First I'm going to copy a post I've already made, with some additions. 12v "Smart" BMS: 24v "Smart" BMS lightboard: For the 12v model, you can...

I ordered one last night. I really like the connectors for the current, plus you can get it with an interface for a heating element. Currently 12v only. https://www.aliexpress.com/item/1005002958135242.html

Very interesting details on patents and Chinese production of LiFePO4 cells.

Hello, I have a used hydraulic crimping set. I've upgraded to a Temco crimp set that has 32 die sets. Still in excellent condition, and includes a spare set of O rings. Here is where I purchased it: https://smile.amazon.com/Hydraulic-Battery-Terminal-Crimper-Crimping/dp/B06XR8BY65/ $35 and...

Has anyone tried one of these: https://www.aliexpress.com/item/1005001599665046.html It seems a decent price for the resolution. Any other suggestions are welcome.

I'm trying to find a product that will record the highest surge used by a device (like an air conditioner or refrigerator). Does anyone have any suggestions, or products to avoid? I'd prefer something like a power line monitor for 120v AC, but would settle for a clamp meter that captures peak...

I managed to buy an EBC-A40L. I say managed, because apparently I got a bargain price, $173.63 off Aliexpress. Good luck finding it for that now. https://www.aliexpress.com/item/1005001971982159.html?spm=a2g0s.9042311.0.0.7e074c4d7VEoFR They raised the price and raised shipping by quite a bit...

I posted this in the tools section where it belongs, but I want to let beginners know about it, so I'll link to it here: https://diysolarforum.com/threads/cheap-power-supply-for-top-balancing-tested-and-works-well.19846/ Please note, the Long Wei come with the best alligator clips I've seen on...

First, a link to the cheapest 30 volt, 10 amp supply I could find on Amazon. There are others on occasion that go on special for a dollar or two less, but this one is pretty consistently the cheapest I could find. https://smile.amazon.com/gp/product/B07512KQDW/ An alternative that is not as...

I'm being told they are 55 kilograms each, and priced at $699 each including delivery (located in New York and Paris). Is anyone familiar with cells of this size?

I have started trying out a new tester, the ET5410 (about $185 including air freight). At 35 amps it takes about 8 hours to test a cell, but I'm going to test lower amps due to my fuse holder heating up. It's much better than the $30 tester from ATorch. This $30 tester has a tendency to burn out...

I am going to be doing capacity testing on my Eve 280 AH cells the next week or so (depends on Amazon deliveries and 2 year old grandkids visiting). I had purchased and received (they were delivered on Halloween) the cells, but they've been in the garage for two months now and I'm finding time...

Has anyone tried out the REC pre-charge unit for connecting to your inverter? Seems a decent unit if a bit over priced. REC pre-charge manual