diy solar

diy solar

School Project

Bbbbrass

New Member
Joined
Sep 13, 2021
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37
Bought a surplus DOT sign trailer,trailer.jpg
converted it into a mobile solar powered LiFePO4 system to power our school audio system for concerts outdoors and at venues with low-quality electrical connections. System originally had 8 4D flooded batteries with a PMW controller, all off 12V. Still using (for now) the 8 Siemens 55W panels,panels.jpgpanel specs.jpg

but now it all goes into a Growatt SPF 3000TL LVM-24P. Batteries are used Sinopoly cells from Battery Evocells assembled.jpg,
with a JBD 8S 24V 100Amp BMS.BMS Balance.jpgBMS max.jpg
Cables are DIY, welding wire. Still evolving, and also working on 18650 Powerwall for this system.cells empty.jpgcells filled.jpg
 
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