Have a look at this unit, it also has usb port to monitor the ups. https://www.storagereview.com/review/ecoflow-river-3-plus-review-compact-power-station-with-600w-output-ups-support
I have similar unit for 3 year now and it works great. The only issue I have with my unit compared to the one above is that my unit will not power up after full discharge shutdown. I have to come by and physically push a button on my unit - which is unfortunate if I am not around and need to do something remotely. Best, Tomas On Sun, Mar 29, 2026, 23:16 Keith Lofstrom <[email protected]> wrote: > I'm assembling a >300W UPS. I bought a Impinvt HT-12212 > 1.2kW Pure Sine Wave inverter, and tested it with a few > external 12.8V 8Ah LiFePO4 batteries in parallel, and a > 100W light bulb load. > > The Impinvt works OK so far, even though it is intended for > higher capacity batteries. Next, I plan to purchase a 100Ah > LiFePO4 battery, which should power my 330 watts of office > computers for about 3 hours. That will be fed from a line > switch and emergency generator someday, and 3 hours should > be enough time to debug a generator that "worked last year." > > I looked at Amazon's offerings and user reviews; many foolish > buyers, many fraudulent sellers. I trust PLUG-folk more, > especially the subset that keep local data centers running. > > So, who has stories of UPS battery victory and/or disaster > to share? I prefer experiences to opinion; I've already > created a surplus of contradictory opinions all by myself. > > Keith L. > > P.S.: yes, I have inline power monitors, P3 Kill-a-Watt > and others. > > -- > Keith Lofstrom [email protected] >
