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I have a 12v 200ah LifePo4 battery that gets seasonal use in the warm weather. I’ve been monitoring the voltage all winter while it’s been sitting unused in my basement and finally plugged it in to a charger today to get it ready for the season. The voltage was about 13.04 so I understood there...

I’m moving panels and controller/inverter to a better spot with more sun that’s further from my water-side pump. To minimize voltage drop I’ll run power down to the pump in ac instead of dc. Have read mixed things about using dc cable to run ac current and am wondering what the consensus is here...

I’ve got 6 100 watt panels and want to add more from another brand. Are these numbers compatible or too far off? Existing Back 40 panels: Proposed additional Rich Solar panels:

I’ve got an RPS Solar water pump with depleted batteries and am replacing them with LiFePo4 and also need to increase capacity. I’m having trouble calculating my energy needs for this due to the variability of the pump draw and am hoping to get some clarity from you all. Location: Maine PV...

I'm upgrading my wiring to 2/0 from my 12v battery and adding a busbar and fuse. The battery is on the floor and the other equipment is on the wall. What's the best way to connect the battery along with a fuse? Can I have the class-t fuse come off the battery terminal at the usual angle and then...

This seem very very basic and I’m almost tempted not to reveal my utter ignorance but I’m not clear on it: when connecting a battery with a 2/0 cable to a busbar and on to an inverter, why doesn’t the higher amperage the 2/0 can carry fry the smaller cables also connected to the busbar that go...

Ok I made a mistake and almost fried my system. I’m not clear on exactly what the energy flow was or whether I did lasting damage to my equipment. I had the positive cable that runs between my 12v battery and my solar controller come loose. I was in a rush and when I re-installed it I...

Hi all. I'm very new to solar and DC and am trying to get my head around understanding electricity generally. Today I have a specific question about how to wire my DC fridge. I'll have 8 awg wire coming from my fuse block for a run of just under 30' going to a Unique 10.3 cf DC fridge. Both have...