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Hello, I have a pretty good understanding of off-grid systems as I'm building one for a camper and have been researching for a long time. Now my parents are considering getting a PV system and I wanted to explore a few options. I'm based in Italy, so many things could be different from the US...

Hello, I want to build a battery switch with precharge for my 24V 280ah battery. The recommended switch in the guide, https://diysolarforum.com/resources/inverter-disconnect-switch-with-precharge.60/, are not available in Italy, with shipping and taxes from the US they will be probably around...

What do you think is a good lightweight DIY design for a battery enclose (mine will be an 8S EVE LF280K configuration) for a truck camper build, that prioritizes ventilation to keep the temperatures cool during trips in warm areas? I've read so much on this forum and elsewhere about compression...

Hello, I recently purchased the EBC-A20 to charge/discharge and capacity test some Lifepo4 batteries. As I've seen some video of it recommend by the Off-grid garage. I installed the software provided on the website and run the first cycle correctly: charge, discharge, and charge back up to 50%...

Do I need a variable bench DC power supply or I can get by with one of these: https://shop.gwl.eu/Chargers-6V-to-36V/Charger-3-6V-20A-for-LiFePO4-cells-1-cell.html?cur=1 I'd like to have a small power supply, that works all over the world (AC 100-240V 50-60Hz) that I could keep in the camper in...

Hello, I've ordered 8 280ah cells from Amy, and I should receive them in the next 2-3 weeks. I have a few related doubts that I couldn't find answers to. I've heard and watched many videos about compression and top balancing but got confused on a few things. 1. I'm planning on compressing the...

I'm planning my truck camper build and I'm trying to maximize the wattage whilst having the least amount of weight on the roof. More panels mean more structure around it, more kg/W, so a single 800-900W panel would be ideal. The biggest I found is the Canadian Solar 670W...

We all know tilting solar panels yield a better efficiency but is that worth it? Looking for science data all I could gather is about 15% improvement, I'll leave you below some articles, maybe you can understand the math better than me...

Hello, I'm designing the electrical system for a truck camper I'm going to build in the future and I'd like to order the 280ah cells since delivery time is about 3 months from China to Italy. I need to decide between a 24V and 12V system. Setup idea: Solar 600W Battery: 6720Wh 280ah 24V or...