Router is 5v usb powered
24V passive POE boost converter should be easy enough to do.
They do but they usually call it "EPS" because the switching is slower than a normal UPS (30 msec etc), so can cause an interruption.
My Anker Solix switches in 20ms.
I would likely not need any backup if I turned off the AIO assuming it will still charge batteries while inverter is off. I would have 1.2 kwh more each day. A good solar day in winter is 3-4kwh a bad day is 0.4-1kwh.
A normal UPS is I think 5 msec or less
24v-24v converter is needed just to keep output stable?
I would definently use a converter just to be safe. They are only $15-$20.
Redundancy is great. I could set up another system. I have 3x 350w panasonic modules that I plan on adding with a Midnite Kid 30A scc to our bank. I had hoped to add to the current system because it allows the fast charging bank to be fully charged and then any remaining energy can be diverted to heat water or in inside air.
I just charge up extra batteries and power stations when ever my main system is full and panels producing excess.
This is true. The catch to this is that 3x almost nothing is still almost nothing so solar can only do so much when our 2000w of PV are collecting so little. If I add on to the system without at least a separate battery in system we will still have to deal with the idle consumption of the inverter eating up battery. If the secondary battery were like a small energy reservoir downstream of the AC system and main bank then once the cutoff setting of the inverter is reached then the secondary battery will be running without the inverter eating into the charge. This is assuming it is all set up for DC to power the loads. If I size the battery large enough then I should be able to keep the internet connection online for many days. I can make it through many crappy days in a row now with the inverter and its idle consuption so this would see the system through all foreseeable weather we may have.
That is a great way to do it, but we are not there full time so we need any system that we setup to be self sustaining. Being on site the majority of the time would be great and allows for many options to keep things working smoothly, but we can't always be away from home. If we were living there I would just use generator once a week to top off bank. Then I would charge all my batteries, tool batteries, flashlights etc and use them to keep things going. I have used a small portable battery bank inverter and Ryobi tool battery inverters to keep things running while working on main system. Tje method works great, but requires me to be present.
