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So I finally got the trailer all wired and went out for the weekend and the 600ah battery bank that I was expecting to have about 7.200KWH of reserve ran out after only 2.5KWH according to my Victron setup. Wondering if anyone can help me shed some light on this. System: Victron Multiplus...

Well after about 500 hours of designing and prototyping, here are my results. I also made my own copper bus bars and nickel plated them. Very fun, cool project. Got a battle scar for my efforts!

I have 5 175W panels and since it is an odd number, I understand they must all be wired the same way. Should I put them in series or parallel to go into a 150V/100A Victron Smartsolar controller?

Hi folks, I just built my first pack with CATL 310AH cells. I first top balanced them in parallel. I then connected them to the BMS and drained them. I then charged them with the BMS connected and when done, all the cells were at the same level. Overnight they have changed quite a bit...

My electrician brother suggested that I use fireproof plywood backing for my electrical components in my RV. I am using Victron Multiplus 3000VA and Smartsolar 150/100 controller. Does anyone have thoughts on this?

Does anyone know if we need to get any kind of certifications in Canada for our DIY batteries as to not void our insurance? My electrician brother seems to think so but, he is a bit of a dumb :poop:.

Can anyone explain what the difference is aside from the LED on the Distributor? Also, any hacks to get the LED's working without a Lynx Shunt?

Hey guys, I have designed a case inspired by @Heap64's design in this thread: https://diysolarforum.com/threads/280ah-battery-top-and-bottom-support-design.5261/page-4 My cells are just being shipped so if anyone wants to print it and try it, shoot me a PM.

https://szxuba.en.alibaba.com/product/1600171870553-822453635/Laser_welding_of_semi_finished_module_12V_280ah_lithium_ion_battery_and_series_use_of_BMS.html?spm=a2700.shop_index.89.10.512db917MKYdFm

Hi all, First off, I am super excited to have found this group. I just bought my first new trailer. It is a 27' Vintage Cruiser 23QBS and I am going to take a crack at the electrical system. I have been researching for a couple of weeks now and think I have landed on the parts I want to use. I...

PBKAC...Please delete.

For the Canadians out there, I was looking for an alternative to the Renogy 3000W Inverter/Charger and came across this: https://www.westrock.ca/product/canlife-easy-power-pro-12-volt-3000-watt-pure-sinewave-inverter-charger-pre-order-copy/ It seems pretty impressive for the price. No remote...

Has anyone checked these out before? Found this video on the youtubes and I am going to message them to get more info. https://www.alibaba.com/product-detail/High-Quality-12V-Battery-Lithium-Ion_1600102727864.html?spm=a2700.shop_pl.41413.31.134b59f5ebFt9x