Runtime evidence · sourced load
A medical refrigerator draws 12.2 W while running. 67 stations cover that running draw, but no source publishes a startup surge for the Medical refrigerator (76L biomedical) — so no station here can be confirmed to start it.
Where our answer stops
BatteryRank has no medical expertise and claims none. We compute whether a battery can supply the power your device's own label states — that is an electrical question, not a medical one.
We model the cabinet's electricity draw, not the stability of what is inside it. Whether a medicine, insulin supply, or vaccine is still usable after time out of range is set by that product's labelling and the pharmacy that dispensed it, and it does not follow from how long the compressor kept running. The FDA publishes specific guidance for insulin exposed to a power failure; read that rather than inferring safety from a runtime figure.
01 · Runtime ladder
Nominal capacity × depth of discharge × inverter efficiency ÷ sourced average draw.
| Capacity class | Estimated runtime | Evidence |
|---|---|---|
| 300 Whstep 1 | 18.9 hr | Medical refrigerator (76L biomedical) load · 2026-07-20 |
| 500 Whstep 2 | 31.5 hr | Medical refrigerator (76L biomedical) load · 2026-07-20 |
| 1,000 Whstep 3 | 62.9 hr | Medical refrigerator (76L biomedical) load · 2026-07-20 |
| 2,000 Whstep 4 | 125.8 hr | Medical refrigerator (76L biomedical) load · 2026-07-20 |
These are comparison projections, not a promise. Temperature, inverter behavior, cycling, and the individual station's measured delivered capacity can change real runtime.
Personalize the estimate
Replace the representative load with a typical-day meter reading. Add the running and startup watts from your own label or meter to update the inverter checks. These entries only change this page view.
Sourced baseline: 12.2 W average from 64 W running at a 19% duty cycle. Medical refrigerator (76L biomedical) source · 2026-07-20 ↗
Blank uses the sourced default. Enter nameplate watts or a meter reading while the compressor or pump is running.
Leave blank to use a sourced figure when available. Enter real startup watts only from an OEM source or an inrush meter; an LRA amp rating is not a watt value.
Default follows this page's cited use case. Average energy is assumed to continue through this window.
Average load 12.2 W · running check 64 W
300 Wh nominal
18.9 hr
500 Wh nominal
31.5 hr
1,000 Wh nominal
62.9 hr
2,000 Wh nominal
125.8 hr
Runtime ladder uses the same comparison assumptions as the table above. Station-specific fit below uses each model's capacity and inverter data.
0 of 80 stations pass the capacity, running, and startup checks for 24 hr using published station specs; appliance startup remains unverified.
Startup remains unverified. 67 stations cover the entered energy and running watts, but none is counted as a confirmed start.
Covers energy and running watts; startup unverified
Covers energy and running watts; startup unverified
Covers energy and running watts; startup unverified
Covers energy and running watts; startup unverified
Covers energy and running watts; startup unverified
Covers energy and running watts; startup unverified
Station checks use data on linked model profiles. Temperature, compressor cycling, wiring, inverter behavior, and actual starting current can change results.
03 · Passing stations
Some links on this page are affiliate links. BatteryRank may earn a commission at no extra cost to you. Commission never affects whether a station passes these checks; when two stations tie on every measured criterion, the one with a live retail offer is shown.
Output-capable fit
Why it fits
1,436 W above the plan's running load (1,500 W continuous output)
Main compromise
10,500 W below the highest output reserve across 67 eligible models
Best all-round reserve
Why it fits
72 BatteryRank score, considered alongside this role's capacity and output requirements
Main compromise
7.7 points below the highest-scoring eligible model (66 of 67 eligible models have this sourced value)
Extended reserve
Why it fits
106.9 projected runtime hours
Main compromise
752 hours less projected runtime than the longest-running eligible model across 67 eligible models
This ordered data view is separate from the three recommended buying strategies above.
Runtime uses each linked model's sourced capacity and output data; open its dossier for provenance.
Solar effect
Computed with this model's sourced solar-input limit and BatteryRank's published harvest assumptions. Check the solar method → · Model sources →
04 · Evidence record
