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We recently spent a day without power here in NW Montana. I have been building up a battery backup out of cheap 6v flooded lead acid batteries I've been buying from NAPA as cores. Initially, I was worried about how well they would work, as they've supposedly been turned in because they're no...

Hey, winter is coming, and I'll probably need to use grid power between sunny days. I've been planning on adding an auto transfer switch, but I've been trying to figure a way to make it run a relay for the inverter, so switch to grid=inverter off, switch to solar=inverter on, but I want a few...

Ok, I'm trying to figure out how much power I use at maximum usage. I turned EVERYTHING on. Stereo cranked, fridge and freezer open to keep them running, ALL the lights on, computer on, heater blower motor on high, microwave on, and the meter says less than a watt. It's reading the shore power...

Hello, I need recommendations for a grid tie inverter that a battery backup can be added to when budget permits. For now there are six 265 watt panels, 44 volts nominal each, going in series sets of 2, three sets in parallel. I'll eventually be adding a 24v battery bank and the proper inverter...

Hello, My name is Logan Laird. I live in Montana in a 20' camper trailer. I'm a forcibly retired mechanic due to osteogenesis imperfecta. After five broken spines, they keep denying me disability so I've had to take some drastic measures. I purchased used 265w panels from santan, I've been...