Would an S2000 work as a fridge backup?

I wouldn’t tuck it behind the fridge just because the outlets line up neatly. Fridge ventilation and heat vary by model, so check the manual and keep the power station somewhere with good airflow and the required clearance.

Work out the expected runtime rather than relying on the battery capacity alone. The fridge’s energy use, compressor startup demand, and the power station’s losses all matter. Check the S2000’s continuous and surge ratings against the fridge, then try the setup and monitor it before depending on it.

A closed fridge can stay cold for a while without power, but conditions vary. For a short outage, the station may not add much. For a longer one, think through how you’ll recharge it or what your backup plan is when the battery runs low.

For solar, check the exact S2000 model’s input limits and make sure the panels you choose fit them. A station with a modest solar input ceiling may recharge slowly in practice, especially when sunlight is poor, so compare that limit with your outage needs before buying extra panels.