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Yes, I've tried to read all the other used panel threads. Through reading those I have decided buying used panels may be worth the gamble as many people have had great success. Check for physical damage, snail trails, micro cracks etc, and also test for voltage and amps. The sole remaining...

I am looking at installing an All-In-One system at a short-term rental property. At first it might just be the AIO unit and batteries with no solar, and the intent would be to have purely as backup to power essentials (fridge, lights) when power goes out at the property which it does quite...

I don't have an IR meter, but from what I've read the YR1030/1035 or RC3563 seem to be the way to go. I think I will just get the 1030/1035. It will be used for 8ah Headway cells, 18650 lithium cells, and potentially some larger LFP cells (300ah) in the future. Would love to be able to get...

I've got some 8ah Headway cells that are at about 0.9v, some at 1.1v and some at 2.5-3.0v. I have an adjustable benchtop power supply (30v, 10A). I also have some busbars that I can connect up to 12p. What is the best and quickest way to charge these and would there be a different method for...

I'm looking to build a few small projects with 18650 cells. Looking at 3s-6s and nothing more than 4p-8p with 1600mah cells. Anybody ever used these type of super-cheap BMS units? 3S BMS 6S BMS One project I have in mind would be a "backpack battery" for a leaf blower. I have a 20v (5s) 4ah...

I have 2 Blink outdoor cameras (3rd gen?) and 1 Blink doorbell camera. I'd like to not have to buy/replace the special lithium AA batteries, so I was thinking of going solar. I've seen pre-made units on Amazon, but they probably have the lowest quality 18650 cells and no charge control so I'm...

We have a property in the mountains that seems to have power outages relatively frequently. Instead of getting a generator, I was kicking around the idea of installing a small solar system with battery storage. Much more environmentally friendly, might be used to reduce energy bill even when...

I'm currently building some Lifepo4 batteries for dual purpose in my Sprinter van. They need to be general energy storage to power some 12v accessories and run an inverter, but also need to be able to power a few audio amps at about 3000w. I got a great deal on some Headway cells in an auction...

I am putting together a basic system for a Sprinter van conversion. I recently obtained two used 305w solar panels and two like-new 100ah deep cycle lead batteries. For now, I am looking to use both batteries and probably one panel mounted to the top of the van, but want the option of adding...

Brand new member here. Looking to do a simple solar power system for a camper van conversion, and the storage for that I am thinking 280ah because the cells look to be the best bang for buck. I will build my own battery out of cells. I have read through a lot of threads and it is getting a bit...