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So there is a major problem with these type of BMS. Any thoughts?

have a look here: She just started building a 48v Lifepo4 battery system. Give her some love....

I just received 4 batteries from Litrade.de. They are sold as Muller batteries 75 Ah type 27135206F. I also got them with a plastic frame. Nice! The QR code of one of the batteries is: TLM200828AA0363. Anyone any idea who the factory is? Where can I find a datasheet?

They have a nice website and a youtube channel. Looks very nice. Is there anyone who know them and can give some info about them? They also explain the difference between the quality of the cells. See their first YTvideo. https://www.seplos.com/ https://www.youtube.com/c/SeplosTechnology/videos

My setup: 1 solar panel Wattstunde WS200SB (200W, Umpp 19.8V, Impp 10.1A). Attached to a smart solar MPPT 100/20 with the latest firmware 1.56. Victron Connect thinks it is a 48V version as well as my Raspberry Pi. The label on the device tells otherwise (ie no 48V written on it).(Sidenote: is...

A few years ago I bought a foldable panel. It broke down very quickly. Micro cracks due to perhaps heat. I'm not sure. I do not want to make that mistake again. I'm wondering what the quality is right now of foldable ones. Are they any good? I'm thinking of getting one of these poweroaks...

Dear reader, I ordered a week ago a bms. It was in stock. https://www.lithiumbatterypcb.com/product/4s-or-3s-12v-li-ion-or-lifepo4-battery-smart-bms-with-bluetooth-function-uart-and-rs485-communication-with-60a-to-120a-constant-current/ I selected the 4S LiFePO4 120 with uart and rs 485. It...