Check out this one: https://www.geewiz.co.za/mini-ups/202392-mini-ups-lifepo4-dc-to-dc-3x-12v-2x-9v-poe-output-power-over-ethernet-5120wh-16000mah-lithium-phosphate.html
Unfortunately it is only available in South Africa and it doesn't have a brand.
I don't like to have Lithium-ion batteries in...
