the hat UPSs are the far side of useless. they overcharge the battery making a fire hazard you can't see. I prefer 12 volt batteries and a substantial step down converter
https://www.ebay.com/itm/384681345255
keep the battery outside and useful for other purposes
https://www.ebay.com/itm/384681345255
keep the battery outside and useful for other purposes
Statistics: Posted by Operator J — Sun Jul 06, 2025 10:28 pm