What Size Power Station Do You Need to Run a Refrigerator?
Verified October 2026 Manufacturer + DOE typical ratings. Methodology
Refrigerator wattage by type
| Type | Running watts | Compressor start |
|---|---|---|
| Mini fridge | 80W | 600W |
| Top-freezer 18 cu ft | 120W | 1,000W |
| French door 25 cu ft | 180W | 1,200W |
| Garage chest freezer | 100W | 800W |
Refrigerators are the most common reason to buy backup power - a fridge holds $200-400 of food, and the USDA says food is unsafe after 4 hours above 40°F with the door closed. The good news: fridges are cheap to back up. At a 35% duty cycle, one uses only ~62Wh per hour after inverter losses. Keep the door shut and even a 1kWh station protects your food most of a day. The number that disqualifies small inverters is the compressor start surge - clear 1,200W and you're safe.
How long real power stations run a refrigerator
Computed from each unit's rated capacity at 85% inverter efficiency and a 35% duty cycle (150W running, 1,200W start). Units whose continuous output can't run it, whose motor-start surge can't start it are excluded. Where a maker's headline surge only applies to resistive loads, we size starts off continuous output.
| Power station | Capacity | Estimated runtime | Price | |
|---|---|---|---|---|
| EcoFlow Delta Pro Ultra Longest | 6,144 Wh | 4.1 days | $4,199 | Check price → |
| Pecron F5000LFP | 5,120 Wh | 3.5 days | $2,199 | Details → |
| Jackery Explorer 5000 Plus | 5,040 Wh | 3.4 days | $3,499 | Details → |
| EcoFlow Delta Pro 3 | 4,096 Wh | 2.8 days | $2,799 | Check price → |
| Anker SOLIX F3800 Plus | 3,840 Wh | 2.6 days | $2,499 | Details → |
| OUPES Mega 3 | 3,072 Wh | 2.1 days | $1,199 | Details → |
| Bluetti Elite 300 | 3,014 Wh | 2.0 days | $1,199 | Check price → |
| Dabbsson DBS2300 | 2,330 Wh | 37.7 hours | $899 | Details → |
| Bluetti Elite 200 v2 | 2,073 Wh | 33.6 hours | $899 | Check price → |
| Bluetti AC200L | 2,048 Wh | 33.2 hours | $899 | Check price → |
| EcoFlow Delta 3 Max | 2,048 Wh | 33.2 hours | $879 | Check price → |
| Jackery Explorer 2000 v2 | 2,042 Wh | 33.1 hours | $899 | Check price → |
| VTOMAN FlashSpeed 1500 | 1,548 Wh | 25.1 hours | $589 | Details → |
| Goal Zero Yeti 1500X | 1,516 Wh | 24.5 hours | $1,125 | Details → |
| Jackery Explorer 1000 v2 | 1,070 Wh | 17.3 hours | $499 | Check price → |
| Anker SOLIX C1000 | 1,056 Wh | 17.1 hours | $470 | Check price → |
| EcoFlow Delta 3 Plus | 1,024 Wh | 16.6 hours | $719 | Check price → |
| OUPES Mega 1 | 1,024 Wh | 16.6 hours | $469 | Check price → |
| Anker SOLIX C1000 Gen 2 | 1,024 Wh | 16.6 hours | $530 | Details → |
| Bluetti Elite 100 V2 | 1,024 Wh | 16.6 hours | $499 | Check price → |
| Bluetti AC70 | 768 Wh | 12.4 hours | $359 | Check price → |
| EcoFlow River 3 Plus | 286 Wh | 4.6 hours | $279 | Check price → |
⚡ Backing up more than a refrigerator?
Add your other appliances and outage length — our calculator sizes the whole load and shows exactly which units fit.
Size my full backup →Frequently asked questions
How long will a 1,000Wh power station run a refrigerator?
About 16 hours at a typical 35% duty cycle (fridge cycling normally, door closed). A 2kWh unit runs about 32 hours; a 4kWh unit runs 2.5+ days.
What size power station do I need to run a refrigerator?
Two numbers: surge of at least 1,200W so the compressor can start, and capacity sized to how long you need. Roughly 1,000Wh covers most of a day, 2,000Wh about a day and a third, and 4,000Wh or more gets you through a multi-day outage without recharging.
How many watts do I need to run a fridge?
About 150W while the compressor runs, but your power station has to deliver around 1,200W for a split second at compressor start. Size the inverter for the start and the battery for the 150W running draw at roughly 35% duty.
Can a portable power station run a refrigerator?
Yes. Any current 1kWh-class station with a 1,500W+ inverter handles a typical household fridge. The exceptions are small sub-500Wh units, whose inverters often can't absorb the compressor start.
How long does food last in an outage without power?
USDA guidance: 4 hours in a closed refrigerator, 24-48 hours in a closed full freezer. Backup power removes the deadline entirely for ~62Wh per hour.
Can a small 300Wh power bank run a fridge?
Usually not - most sub-500Wh units have inverters under 600W that can't absorb the 1,000W+ compressor start. Check surge rating, not just capacity.
Keep reading
- Full comparison database — every spec, side by side
- Best-for guides — ranked picks by use case
- 2026 state incentives — what still pays after the federal credit