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So, after 4 to 5 years of working flawless, the 100 kwh lifepo4 battery caught fire at night and burned our house down. Luckily our family just made in out on time. Inspection of the fire expert revealed that a melt fuse melted, and created an arc between the 2 points wich ultimatly started the...

A question: i built this system: 24V 7kWh powerbox | DIY Solar Power Forum (diysolarforum.com) It works very fine, but i have one problem: i can only charge my tesla while the box is gried tied. but when i disconnect the cord, the charger fails. Even when i connect a seperate ground to the...

I have build the 12V powerbox a bigger brother. 8 280 ah cells, 3 kW inverter, daly bms. External ac feedback in, so the box doen't need to be opened to charge it. To tackle the ventilation of the inverter in a closed box, i have build in these closable ventilation holes, just at the fans of the...

Almost finished the powerbox. Just need to add an external connector for ac charging and an external connector for the solar charging. Fun projects! 12V 200 Ah lfp 1000W inverter

So after a month of using my powerwall with 86 kWh 280 ah xuba cells, the darker days are coming. Until now with enough sun to always have the battery charged to the upper regio's, the cells performed good. Big powerdraw from the cells if neccesary is not a problem. However, as the sun is more...

several lifepo4 12v plug and play batteries use the leed acid charger. (Just replace the lead acid) Does anyone know the mechanism how this can be done?

a few pictures of my own built 'home energy system'. I run my house, workshop and if needed charge my tesla model S with it. currently 3 multiplus 2 5 kVa units for 3-phase system, 48 V battery: 3 banks of 16 200 Ah cells, monitored by batrium. The victron system runs the ESS template. One of...

As my previous order was all ok, and cells are good, i made a big order together with some enthousiasts in the area. Together we ordered 160 (!) 200ah cells, and 6 12V batteries. Deligreen has altered their shipping method with additional wooden reinforcements as a few memebers recieved cells...

Want to purchase 48 pièces of 200 ah, new. Going to 48v system, with batrium bms. Because the cells are new, parallel groups of 3 cells, and then series them should be fine i guess? Of should i go with 3 separate strings with their own watchmons?