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I'm about ready to begin building a ground mount that has a 20 degree slope heading east and up. Morning sun doesn't crest the hill for a little more than an hour after official sunrise. I'm wondering if it would make sense to shift the angle from true south to a couple degrees, or even 10...

I got an AC200P for free from someone on craigslist who had had enough dealing with Bluetti. She didn't give me details about her experience, but she was pretty disgusted with them. I contacted the company and the short version is they said it would cost $357 for them to fix it. I asked if...

I ordered 32 EVE MB31 cells with two BMS from Wistek for just under $3000. The salesperson said the order would arrive at my door in about 30 days. That was accurate. The cells all tested at 3.27 volts - no variation. So far everything is copacetic. I got two battery boxes from another...

I got a couple battery boxes - https://www.alibaba.com/product-detail/XR08-48V280AH-15KW-Solar-Home-Energy_1601211493083.html - and realized my physical situation is better suited for something that's tall up against the wall. I'm wondering if the EVE MB31 cells would mind being on their sides...

With great frustration a friend gave me an AC200P. The unit starts, the screen initializes, then beeping starts. The fault screen lights up. On screen 5 is the problem, fault #42, BMS over voltage, and fault #43, BMS low voltage. The unit stays on for maybe 15 seconds and then shuts down...

I hooked up my 16s battery today and one of the lines is not reporting cell voltage. I get an error message saying cell count is not equal to settings. The cell itself reads 3.58 volts, so the cell is good. Anyone have an idea what is going on with the BMS?

I put out a Request for Quote on Ali Baba to see what came up. This is the first response. It is about the same price as I got from Wistek, which no one here said they've dealt with. Just reaching out for your experiences... Jeff... Dear Jeffrey, Thanks for your quick reply. Ship to...

I've looked at videos saying both approaches work to charge a Goal Zero 1500x using the alternator. The camper has a 190 watt solar panel, but I want the addition of alternator charging. The GZ has an upper charging limit of 50 volts, 50 amps, and 600 watts. It looks like the advantage of...

Can I connect a 100ah LiFePo4 battery to the Goal Zero Yeti 1500x in parallel without needing anything but a fuse/cb between the two? I'm looking to double my battery capacity without getting rid of the GZ that came with my Scout camper. The GZ can handle 680 watts or 12 v and 50 amps input. I...

I ran searches for Wistek and nothing came up. Does anyone have experience with this Chinese company? They sell https://wis-tek.com/products/wistek-lifepo4-battery-pack-48v-300ah-15kwh-solar-battery and https://wis-tek.com/products/wistek-ev-m30?variant=48343316758806 Both include...