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You might look at 18650 battery site for the 100ah batteries. I bought 2 separate orders of 4-100ah batteries with a battery box and BMS. The are located in Ga and are super nice to deal with. You will have better luck calling than emailing them. They even gave me a military discount that is not...

You might want to check with the manufacture as most C-PAP machines have a 12v power cable available (My ResMed does). I got mine from my VA provider

Copper will go soft to bend if you heat it to near red color and quinch in water, it will work harden if bent cold.

Worked with copper in my blacksmith shop to make ornamental items and even after a short period of hammering on copper would go back to the fire and heat it and then cool in water to soften it so as not to have it crack or split when shaping it.

That is a good system! I built mine with the 48V budget battery and use it to power my storm house lights and fan. I also use it around the farm to power corded hand tools.

I have 5 of the panels shown in the photo and I need to end up with a 48V system. I have an EG4 48V controller/charger, and one 48V 100AH battery from Signature Solar. Will someone please help me? I am a 73 year old retired blacksmith and want to run my small man cave with this system. Thanks...

I have 4 100ah lifepo4 cells that are new and within .5v per cell. I hooked them all in parallel and left them for 21/2 weeks and now all are way out of balance, from 2.9 to 3.2 volts. What is going on?? Any help would be greatly appreciated.

Have this inverter.

Can you post the amazon link to this battery? It does not show up when searching for it. Thanks.

ebay.com/#:~:text=3%20SOLD,and%20Touch%20Monitor Found this on Ebay and wondered if anyone has any knowledge about it. It is a 48V 105 amp golf cart battery with charger for $839.99, would it be good in a solar application? https://www.ebay.com/itm/376096455299.