Capacity
Higher is better | Scale max: 3,994 Wh | Yeti Pro 4000 leads
DELTA 3 Plus 1,024 Wh
Yeti Pro 4000 3,993.6 Wh
Yeti Pro 4000: +2,970 Wh (+290.0%).
DELTA 3 Plus vs Yeti Pro 4000
VS
1,800W
Running power
3,600W
1,024 Wh
Battery
3,993.6 Wh
27.6 lbs
Weight
115.7 lbs
At a Glance
This comparison targets buyers weighing a compact, portable power station against a high-capacity home backup unit. The Yeti Pro 4000 delivers 3600W of running power and nearly four times the battery capacity (3993.6 Wh vs. 1024 Wh), making it the stronger choice for powering large appliances and full-home circuits.
It also covered 47 of 53 tested devices compared to 42 for the DELTA 3 Plus, earning a compatibility score of 95 versus 76.5. Solar input on the Yeti tops out at 3000W, tripling the DELTA 3 Plus's 1000W ceiling, though its full recharge takes roughly 14.3 hours versus 3.7 hours for the smaller EcoFlow unit.
The tradeoff is weight: the Yeti Pro 4000 tips the scale at 115.7 lbs, more than four times the DELTA 3 Plus's 27.6 lbs, which limits grab-and-go portability.
Overall Winner
Yeti Pro 4000
Powers 47 of 53 tested devices vs 42 for DELTA 3 Plus
Home backup: Yeti Pro 4000 RV / mobile: DELTA 3 Plus Solar: Tie
Yeti Pro 4000 wins overall, but the best pick depends on your use case.
Choose DELTA 3 Plus if...
- + Portability matters (28 lbs vs 116)
- + You want faster solar recharging
Choose Yeti Pro 4000 if...
- + You want broader device compatibility
- + You need all-day runtime headroom
Spec Snapshot
Absolute values shown. Bars are scaled within this comparison for readability.
Each metric is independent. Bar lengths are not comparable across different compare pages.
Running Power
Higher is better | Scale max: 3,600 W | Yeti Pro 4000 leads
DELTA 3 Plus 1,800 W
Yeti Pro 4000 3,600 W
Yeti Pro 4000: +1,800 W (+100.0%).
Surge Power
Higher is better | Scale max: 7,200 W | Yeti Pro 4000 leads
DELTA 3 Plus 3,600 W
Yeti Pro 4000 7,200 W
Yeti Pro 4000: +3,600 W (+100.0%).
Weight
Lower is better | Scale best: 27.6 lbs | DELTA 3 Plus leads
DELTA 3 Plus 27.6 lbs (12.5 kg)
Yeti Pro 4000 115.7 lbs (52.5 kg)
DELTA 3 Plus: -88.2 lbs (76.2% lighter).
Battery Life
Higher is better | Scale max: 4,000 cycles | Tie
DELTA 3 Plus 4,000 cycles
Yeti Pro 4000 4,000 cycles
Delta: Tie (0%).
Where Compatibility Actually Differs
Out of 53 devices tested, 5 show a different result between these two stations.
Both can run: 42 · Differences: 9% (5/53) · Neither can run: 6
Only Yeti Pro 4000 can run 5
Circular Saw (Corded) DELTA 3 Plus: Surge shortfall
Electric Chainsaw (14-inch) DELTA 3 Plus: Surge shortfall
Shop Vac (Wet/Dry, 5-6 HP Peak) DELTA 3 Plus: Surge shortfall
Portable AC (12,000 BTU) DELTA 3 Plus: Needs soft-start
Microwave Oven (1000W) DELTA 3 Plus: Running shortfall
Neither can run · 6 devices
These are 240V or high-voltage devices — neither station supports them.
Pancake Air Compressor (6-Gallon)
Central AC (3-Ton)
Electric Water Heater (50 Gal)
Well Pump (1 HP)
Electric Clothes Dryer
RV Rooftop AC (13,500 BTU)
Full Specs Comparison
| Spec | DELTA 3 Plus | Yeti Pro 4000 |
|---|---|---|
| Capacity | 1,024 Wh | 3,993.6 Wh ✓ |
| Running Power | 1,800 W | 3,600 W ✓ |
| Surge Power | 3,600 W | 7,200 W ✓ |
| Weight | 27.6 lbs (12.5 kg) ✓ | 115.7 lbs (52.5 kg) |
| Energy Density | 81.9 Wh/kg ✓ | 76.1 Wh/kg |
| Portability Tier | portable | stationary |
| Chemistry | LFP | LFP |
| Cycle Life | 4,000 | 4,000 |
| Expandable | Yes | Yes |
| UPS | No | No |
| AC Voltage | 120V | 120V |
Solar Charging
Best-case charging profile using compatible solar panels.
DELTA 3 Plus
Faster Max solar input 1,000 W
Connector XT60i
Full charge time ~3.7h
Compatible panels 19/20
MPPT: 11-60V
Yeti Pro 4000
Max solar input 3,000 W
Connector Proprietary + DC7909
Full charge time ~14.3h
Compatible panels 20/20
MPPT: 13.3-145V
Charge speed comparison
Longer bar = faster charge (inverted scale)
Device Compatibility
All tested devices grouped by category. Click a category to expand.
DELTA 3 PlusYeti Pro 4000
Emergency(2)
2/22/2
2/2
2/2
Entertainment(2)
2/22/2
2/2
2/2
EV & Transportation(2)
2/22/2
2/2
2/2
Heating & Cooling(7)
5/76/7
5/7
6/7
| Device | DELTA 3 Plus | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| Box Fan (20-inch) | Safe | 8.6h | Safe | 33.7h |
| Central AC (3-Ton) | Voltage Fail | N/A | Voltage Fail | N/A |
| Dehumidifier (70 Pint) | Tight | 0.8h | Safe | 3.3h |
| Gas Furnace Fan (Blower) | Safe | 0.7h | Safe | 2.6h |
| Portable AC (12,000 BTU) | Soft Start | 0.5h | Safe | 2.1h |
| Space Heater (1,500W) | Safe | 0.5h | Safe | 1.9h |
| Window AC (8,000 BTU) | Safe | 1h | Safe | 3.9h |
Home Infrastructure(3)
1/31/3
1/3
1/3
| Device | DELTA 3 Plus | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| Electric Water Heater (50 Gal) | Voltage Fail | N/A | Voltage Fail | N/A |
| Garage Door Opener (Residential) | Safe | 4h | Safe | 15.5h |
| Well Pump (1 HP) | Voltage Fail | N/A | Voltage Fail | N/A |
Kitchen Appliances(11)
10/1111/11
10/11
11/11
| Device | DELTA 3 Plus | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| 2-Slice Bread Toaster | Safe | 0.5h | Safe | 1.9h |
| Coffee Maker | Safe | 0.4h | Safe | 1.7h |
| Digital Air Fryer | Tight | 0.4h | Safe | 1.6h |
| Electric Skillet | Safe | 0.5h | Safe | 1.9h |
| Electric Stove (Single Burner) | Tight | 0.4h | Safe | 1.6h |
| Electric Water Kettle | Safe | 0.5h | Safe | 1.9h |
| Instant Pot (6 Qt) | Safe | 0.5h | Safe | 1.9h |
| Microwave Oven (1000W) | Fail | N/A | Safe | 1.5h |
| Rice Cooker | Safe | 0.8h | Safe | 3h |
| Slow Cooker | Safe | 2.4h | Safe | 9.3h |
| Toaster Oven | Tight | 0.4h | Safe | 1.6h |
Large Appliances(4)
3/43/4
3/4
3/4
| Device | DELTA 3 Plus | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| Dishwasher | Tight | 0.4h | Safe | 1.6h |
| Electric Clothes Dryer | Voltage Fail | N/A | Voltage Fail | N/A |
| French Door Refrigerator | Safe | 3.5h | Safe | 13.5h |
| Washing Machine | Safe | 0.6h | Safe | 2.2h |
Medical(4)
4/44/4
4/4
4/4
Outdoor & RV(6)
5/65/6
5/6
5/6
Personal Care(2)
2/22/2
2/2
2/2
Power Tools(5)
1/54/5
1/5
4/5
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The Bottom Line
The DELTA 3 Plus suits campers, tailgaters, and anyone who needs a portable LFP station they can carry solo and recharge from solar in under four hours. The Yeti Pro 4000 is built for extended home backup and heavy-load scenarios where 3600W continuous output and 3993.6 Wh of stored energy matter more than portability. With broader device coverage and significantly higher power and capacity, the Yeti Pro 4000 is the overall winner in this matchup.
DELTA 3 Plus vs Yeti Pro 4000 FAQ
Q Which is better for home backup, DELTA 3 Plus or Yeti Pro 4000?
Yeti Pro 4000 is the stronger overall choice in this matchup based on weighted compatibility across 53 tested devices.
Q Which has longer runtime, DELTA 3 Plus or Yeti Pro 4000?
Yeti Pro 4000 has higher battery capacity (3,993.6 Wh), which generally supports longer runtime on the same load.
Q Which charges faster with solar panels?
DELTA 3 Plus has the faster best-case solar recharge profile in our panel compatibility test set.
Q Which is more portable, DELTA 3 Plus or Yeti Pro 4000?
DELTA 3 Plus is lighter at 27.6 lbs vs 115.7 lbs. DELTA 3 Plus is rated portable for portability.
Q How many devices can each power station run?
Yeti Pro 4000 powers 47 of 53 tested devices, compared to 42 for DELTA 3 Plus.