Izits wrote:As to why the output voltage on your old UPS is low, if it's more than 20 years old I would look for aging and bad electrolytic capacitors. They tend to go bad with time just sitting on the shelf.
Hillhater wrote:If you are only going to power lights etc, why do you need inverter for 12v ?
Just run a 48v (or some other dc voltage) LED lighting system.
Hillhater wrote:Laptops have a dc charge port .
Most small appliances, tools, audio, heaters, fans, etc".. could be rechargeable , dc powered
Keep it simple.
Also what do you think about solder the joints
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