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Building a small system to run a small water pump and possibly other small loads in the future. Pump has a 10w draw at 18v. Looking at a Victron MPPT 75/10 12/24v SCC, with 2 100w panels, and battery hookups new Lifepo4 battery. Looks like it would be easy to series it later if I decide I...

I am looking to add a bigger panel and a battery backup for my small pond pump. It came with a 25w panel that directly connects to the pump, but it only runs when its perfectly clear, and my wife has decided it needs to run 24/7. I have built a small 12v Lifepo4 battery for a van I had but...

I found some of the Q-Cells that are local to me. It looks like a good deal but I havent started researching the solar part of the system yet just the battery side. From a post on facebook someone said these are actually closer to 12 years old and will prbbly be degraded to 250ish watts each...

Building my first battery box and need some help making sure im staying safe. Box will be mostly used in my van and charged from shore power for now. 8p4s lifepo4 using topband navitas cells. I am thinking about adding an external shut off but not sure if its necessary. This is my first build...

I finally have some batteries for my van/portable battery box build, and I could use some help making sure Im not missing anything. Im following wills 400 watt with alternator charging plan. I dont plan on using solar right now though, I was thinking about using a 24v 30amp power supply to...

Looking at trying to build my first powerbox for camping and backup power for a few things around the house if we loose power. Ive never built a battery pack or anything like this before so I could use some guidance. I want to charge it primarily from 110 from the house, and the van while...