SoCal Tom
Explorer
I don't have the budget for it, but this is designed as a CPAP battery backup. USB, 12V power pack and 13AH lithum battery all in a nice package. Solar compatible.
https://smile.amazon.com/100-Watt-P...-1-spons&keywords=portable+power+supply&psc=1
On sale for $122.
Tom
https://smile.amazon.com/100-Watt-P...-1-spons&keywords=portable+power+supply&psc=1
On sale for $122.
Tom