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Should.

the new SMA Automatic Backup Unit (ABU) is a truly integrated solution for whole home backup power. The ABU consists of several components. The first is a 200 Amp rated contactor, which automatically disconnects the home energy system from grid power during a power outage...

Bypass diodes are connected in parallel with modules, a photovoltaic cell or panel to shunt the current around it.

Is there 77-80 volts at the MPP solar input terminals?

post your settings for each program particularly 02-maximum charging current 10- operation logic 11-maximum utility charging current 12,13,16,23,26,27 is battery type user? then 32 also Where are you reading this 60 Watts and 80 Watts you're referring to? PV power?

Cannot imagine riding a scooter 28 miles at 4 below zero.

Your attached white board drawing leaves a lot to be desired. You seem to have drawn diodes connected across two different strings; that is not correct. Most everyone explained bypass diodes are "built-in". Here's a photo: What panels are you (going to) using? Manufacturer & model number...

LV2424

sure it will be fine

Page 7 of its manual describes the PV module selection process; the unit can handle up to 600 watts of PV.

NO, NO, NO. Four 12 volt batteries in series is 48 volts. That's where your question started. Wire the 4 batteries in parallel; they'll be 12 volts like your inverter.

You are trying to Parallel operate in single phase? You have parallel boards, parallel communication cables and current sharing cables installed? Something like this? Is program 23 set to PAL on both units? Have you commissioned the units as Master and Slave? Have you followed these 6 steps?

I copied it from your post #1; reading and comprehension are important.

Should we start guessing now?

seems like you have PV wires connected to charge controller battery terminals. In series PV voltages add (not currents). 15 amp Square D QO breaker would be good for PV disconnect QO220, 2-pole.

Your welcome. Do you have a question?

The communists there will soon "hold the production of resources collectively" and reallocate YOUR generator and solar product "to the benefit of equality and strong social communities". Best of luck.

I believe the maximum DC input voltage for your LV5048 is 145 volts. Four of your panels in series can produce (4 x 37.6) x 1.2 = 180.5 volts; not good. 1.2 is a low temperature correction factor. You will have to limit panels to 3 in series (3 x 37.6) x 1.2 =135.5 volts; OK, now. Your...

Consider pulling the cover off inverter and spray with dielectric grease, if available. https://www.crcindustries.com/products/dielectric-grease-10-wt-oz-03082.html

Is this an LV5048? What is your setting on Program #28?

12 cables 12<15

How much power do they require and for how long?

One unit (no parallel) operation all parallel ID dip switches should be off.

OK, you have a RBL-60A solar charge controller, you can connect all 3 batteries in parallel (+ to + to +) and (- to - to -) you have 1 100 watt PV panel (don't mix panels) connect like this:

Add a zero to your budget. https://diysolarshack.com/how-many-solar-panels-charge-tesla/

So the poultry hobby consumes 6.4kWh/day Accounting for losses 8kWh/day For lead acid batteries divide that by .5, getting 16,000 Watt hours per day Divide that by battery voltage (hopefully 48V.) getting 334 Ah (amp hours) Multiply that by how many days you could be without sun, let's say 3.5...

Are you saying the Sol-Ark programmed/changed your battery capacity, in battery setup from 183 to 203 Ah on its own?

Diagonally =What? Batteries connect in series or parallel; no diagonal.

Minimum PV voltage is 120VDC, should work but another panel may be wise.

Bottom pot is filtered (reservoir) water; top pot is unfiltered. Both pots the same; cover for bottom pot is attached to base of top pot with filter nuts.