Safe
33
Best Power Stations for Box Fan (20-inch)
We tested 33 portable power stations against the Box Fan (20-inch) (83W running / 166W surge). 33 passed our True Surge protocol — 100% compatibility rate.
Tight
0
With Soft-Starter
0
Incompatible
0
○ Device source: Engineering Est.
Derived from variant list (max of variants). Running worst case = Lasko B20200 (83W OEM). Surge worst case = Lasko B20200 (166W). Small fan motor policy: 2x startup for shaded-pole motors.
Our Top Picks
33 compatible models rankedRanked by value, balance, and endurance from 33 compatible generators.
Best Budget & Overall Safe
RIVER 3
Running 300W
Surge 600W
Capacity 245 Wh
Weight 7.7 lbs (3.5 kg)
Carry Easy carry
Runtime 2.1h
Best Runtime Safe
Delta Pro Ultra
Running 6,000W
Surge 12,000W
Capacity 6,144 Wh
Weight 182.1 lbs (82.6 kg)
Carry Two-person recommended
Runtime 51.8h
#3 Overall Safe
RIVER 2
Running 300W
Surge 600W
Capacity 256 Wh
Weight 7.7 lbs (3.5 kg)
Carry Easy carry
Runtime 2.2h
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Runtime at a glance
How long each station runs a Box Fan (20-inch) on a single charge (after 0.70 real-world derate)
Delta Pro Ultra X 6,144 Wh 51.8h
Delta Pro Ultra 6,144 Wh 51.8h
Zendure SuperBase V4600 4,608 Wh 38.9h
DELTA Pro 3 4,096 Wh 34.5h
Yeti Pro 4000 3,993.6 Wh 33.7h
Anker SOLIX F3800 3,840 Wh 32.4h
Delta Pro 3,600 Wh 30.4h
Pecron E3600LFP 3,072 Wh 25.9h
Safe
Showing top 8 by runtime. See full table below for all 33 stations.
What to Know About the Box Fan (20-inch)
Power Profile
Running load: 83 W (worst case). Surge: 166 W (2x startup, small fan motor policy for shaded-pole motors). Voltage: 120 V AC required. Box fans use small shaded-pole motors with a brief 2x inrush at startup — much lower than the 3x NEC standard for larger motors.
Real-World Usage
Draws 72-83W steady depending on model. 8 hours daily operation consumes 576-664 Wh. Startup inrush is brief (<1 second) and typically 2x running.
Pro Tip
Box fans are ideal off-grid appliances. Low running watts, minimal surge, and long daily use. Size your power station for runtime (capacity in Wh), not wattage — any 200W+ station handles the load.
Full Compatibility Matrix
All 33 generators tested against the Box Fan (20-inch) (83W / 166W).
| Power Station | Running W | Surge W | Capacity | Weight | Verdict | Runtime | Report |
|---|---|---|---|---|---|---|---|
| Delta Pro Ultra X | 12,000 | 24,000 | 6,144 Wh | 187.4 lbs Two-person recommended | Safe | 51.8h | View |
| Delta Pro Ultra | 6,000 | 12,000 | 6,144 Wh | 182.1 lbs Two-person recommended | Safe | 51.8h | View |
| Zendure SuperBase V4600 | 3,800 | 3,800 | 4,608 Wh | 121.3 lbs Two-person recommended | Safe | 38.9h | View |
| DELTA Pro 3 | 4,000 | 8,000 | 4,096 Wh | 113.5 lbs Two-person recommended | Safe | 34.5h | View |
| Yeti Pro 4000 | 3,600 | 7,200 | 3,993.6 Wh | 115.7 lbs Two-person recommended | Safe | 33.7h | View |
| Anker SOLIX F3800 | 6,000 | 9,000 | 3,840 Wh | 132.3 lbs Two-person recommended | Safe | 32.4h | View |
| Delta Pro | 3,600 | 7,200 | 3,600 Wh | 99.2 lbs Two-person recommended | Safe | 30.4h | View |
| Pecron E3600LFP | 3,600 | 7,000 | 3,072 Wh | 79.4 lbs Two-person recommended | Safe | 25.9h | View |
| Explorer 3000 Pro | 3,000 | 6,000 | 3,024 Wh | 63.9 lbs Two-person recommended | Safe | 25.5h | View |
| Elite 200 V2 | 2,600 | 3,600 | 2,073 Wh | 53.4 lbs Heavy carry | Safe | 17.5h | View |
| AC200L | 2,400 | 3,600 | 2,048 Wh | 62.4 lbs Two-person recommended | Safe | 17.3h | View |
| AC200MAX | 2,200 | 4,800 | 2,048 Wh | 61.9 lbs Two-person recommended | Safe | 17.3h | View |
| DELTA 2 Max | 2,400 | 4,800 | 2,048 Wh | 50.7 lbs Heavy carry | Safe | 17.3h | View |
| Explorer 2000 Plus | 3,000 | 6,000 | 2,042 Wh | 61.5 lbs Two-person recommended | Safe | 17.2h | View |
| Explorer 2000 v2 | 2,200 | 4,400 | 2,042 Wh | 39.5 lbs One-person carry | Safe | 17.2h | View |
| Yeti 1500X | 2,000 | 3,500 | 1,516 Wh | 45.6 lbs Heavy carry | Safe | 12.8h | View |
| DELTA (Gen 1) | 1,800 | 3,300 | 1,260 Wh | 30.9 lbs One-person carry | Safe | 10.6h | View |
| AC180 | 1,800 | 2,700 | 1,152 Wh | 36.2 lbs One-person carry | Safe | 9.7h | View |
| Explorer 1000 v2 | 1,500 | 3,000 | 1,070 Wh | 23.8 lbs One-person carry | Safe | 9h | View |
| SOLIX C1000 | 1,800 | 2,400 | 1,056 Wh | 28.4 lbs One-person carry | Safe | 8.9h | View |
| DELTA 2 | 1,800 | 2,700 | 1,024 Wh | 26.5 lbs One-person carry | Safe | 8.6h | View |
| DELTA 3 Plus | 1,800 | 3,600 | 1,024 Wh | 27.6 lbs One-person carry | Safe | 8.6h | View |
| VTOMAN Jump 1500X | 1,500 | 3,000 | 828 Wh | 36.2 lbs One-person carry | Safe | 7h | View |
| SOLIX C800 Plus | 1,200 | 1,600 | 768 Wh | 24.0 lbs One-person carry | Safe | 6.5h | View |
| AC70 | 1,000 | 2,000 | 768 Wh | 22.5 lbs One-person carry | Safe | 6.5h | View |
| RIVER 2 Pro | 800 | 1,600 | 768 Wh | 18.3 lbs Easy carry | Safe | 6.5h | View |
| Explorer 500 | 500 | 1,000 | 518.4 Wh | 13.2 lbs Easy carry | Safe | 4.4h | View |
| RIVER 2 Max | 500 | 1,000 | 512 Wh | 13.4 lbs Easy carry | Safe | 4.3h | View |
| SOLIX C300 | 300 | 300 | 288 Wh | 9.0 lbs Easy carry | Safe | 2.4h | View |
| Explorer 300 Plus | 300 | 600 | 288 Wh | 8.4 lbs Easy carry | Safe | 2.4h | View |
| EB3A | 600 | 1,200 | 268.8 Wh | 10.1 lbs Easy carry | Safe | 2.3h | View |
| RIVER 2 | 300 | 600 | 256 Wh | 7.7 lbs Easy carry | Safe | 2.2h | View |
| RIVER 3 | 300 | 600 | 245 Wh | 7.7 lbs Easy carry | Safe | 2.1h | View |
Model Variants
Different models have different power requirements. Check the specific report for your exact model.
Frequently Asked Questions
How many power stations can run a Box Fan (20-inch)?
Out of 33 portable power stations we tested, 33 can safely run a Box Fan (20-inch) (33 with full safety margin, 0 at tight margin). 0 are incompatible.
What specs should I look for to run a Box Fan (20-inch)?
Your power station needs at least 83W continuous output and 166W surge capacity. We recommend a safety buffer of 15% above these minimums for reliable operation.
How do we test compatibility?
Every pairing is evaluated using our True Surge protocol: we compare OEM-verified running watts, surge watts, and voltage requirements against each power station's published specs, with load-profile-specific safety buffers applied. Read our full methodology.
Can I run a box fan on a portable power station?
Only if your power source can supply at least 83W continuous and 166W surge at 120V. The real limit is battery capacity — plan 600-700 Wh for 8 hours of cooling.
Compare these models
Side-by-side comparisons for the top picks on this page.