Capacity
Yeti Pro 4000: +2,478 Wh (+163.4%).
This comparison targets buyers choosing between two Goal Zero Yeti stations that sit far apart in capacity and capability. The Yeti Pro 4000 delivers 3993.6 Wh of LFP storage and 3600W of running power, making it a serious home backup contender that powered 47 out of 53 tested devices. The Yeti 1500X, with 1516 Wh and 2000W output, handled 43 of those same devices but tops out well before high-draw appliances.
Cycle life is a major separator: the Pro 4000 offers 4000 cycles versus just 500 for the 1500X, a direct result of its lithium iron phosphate chemistry. Solar input on the Pro 4000 maxes out at 3000W with compatibility across 20 panel options, while the 1500X caps at 600W. The tradeoff is weight and mobility.
At 45.6 lbs, the 1500X is genuinely portable; the 115.7 lb Pro 4000 is not something you casually move around.
Overall Winner
Yeti Pro 4000
Powers 47 of 53 tested devices vs 43 for Yeti 1500X
Yeti Pro 4000 wins overall, but the best pick depends on your use case.
Absolute values shown. Bars are scaled within this comparison for readability.
Each metric is independent. Bar lengths are not comparable across different compare pages.
Yeti Pro 4000: +2,478 Wh (+163.4%).
Yeti Pro 4000: +1,600 W (+80.0%).
Yeti Pro 4000: +3,700 W (+105.7%).
Yeti 1500X: -70.1 lbs (60.6% lighter).
Yeti Pro 4000: +3,500 cycles (+700.0%).
Out of 53 devices tested, 4 show a different result between these two stations.
Both can run: 43 · Differences: 8% (4/53) · Neither can run: 6
These are 240V or high-voltage devices โ 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)
| Spec | Yeti 1500X | Yeti Pro 4000 |
|---|---|---|
| Capacity | 1,516 Wh | 3,993.6 Wh ✓ |
| Running Power | 2,000 W | 3,600 W ✓ |
| Surge Power | 3,500 W | 7,200 W ✓ |
| Weight | 45.6 lbs (20.7 kg) ✓ | 115.7 lbs (52.5 kg) |
| Energy Density | 73.2 Wh/kg | 76.1 Wh/kg ✓ |
| Portability Tier | portable | stationary |
| Chemistry | NMC | LFP |
| Cycle Life | 500 | 4,000 ✓ |
| Expandable | Yes | Yes |
| UPS | No | No |
| AC Voltage | 120V | 120V |
Best-case charging profile using compatible solar panels.
MPPT: 14-50V
MPPT: 13.3-145V
Charge speed comparison
Longer bar = faster charge (inverted scale)
All tested devices grouped by category. Click a category to expand.
| Device | Yeti 1500X | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| Box Fan (20-inch) | Safe | 12.8h | Safe | 33.7h |
| Central AC (3-Ton) | Voltage Fail | N/A | Voltage Fail | N/A |
| Dehumidifier (70 Pint) | Tight | 1.2h | Safe | 3.3h |
| Gas Furnace Fan (Blower) | Safe | 1h | Safe | 2.6h |
| Portable AC (12,000 BTU) | Soft Start | 0.8h | Safe | 2.1h |
| Space Heater (1,500W) | Safe | 0.7h | Safe | 1.9h |
| Window AC (8,000 BTU) | Safe | 1.5h | Safe | 3.9h |
| Device | Yeti 1500X | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| Electric Water Heater (50 Gal) | Voltage Fail | N/A | Voltage Fail | N/A |
| Garage Door Opener (Residential) | Safe | 5.9h | Safe | 15.5h |
| Well Pump (1 HP) | Voltage Fail | N/A | Voltage Fail | N/A |
| Device | Yeti 1500X | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| 2-Slice Bread Toaster | Safe | 0.7h | Safe | 1.9h |
| Coffee Maker | Safe | 0.7h | Safe | 1.7h |
| Digital Air Fryer | Safe | 0.6h | Safe | 1.6h |
| Electric Skillet | Safe | 0.7h | Safe | 1.9h |
| Electric Stove (Single Burner) | Safe | 0.6h | Safe | 1.6h |
| Electric Water Kettle | Safe | 0.7h | Safe | 1.9h |
| Instant Pot (6 Qt) | Safe | 0.7h | Safe | 1.9h |
| Microwave Oven (1000W) | Tight | 0.6h | Safe | 1.5h |
| Rice Cooker | Safe | 1.1h | Safe | 3h |
| Slow Cooker | Safe | 3.5h | Safe | 9.3h |
| Toaster Oven | Safe | 0.6h | Safe | 1.6h |
| Device | Yeti 1500X | Runtime | Yeti Pro 4000 | Runtime |
|---|---|---|---|---|
| Dishwasher | Safe | 0.6h | Safe | 1.6h |
| Electric Clothes Dryer | Voltage Fail | N/A | Voltage Fail | N/A |
| French Door Refrigerator | Safe | 5.1h | Safe | 13.5h |
| Washing Machine | Safe | 0.8h | Safe | 2.2h |
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The Yeti 1500X fits buyers who need a portable solar generator for camping, tailgating, or light circuit backup and value the ability to carry it solo. The Yeti Pro 4000 is built for extended home outages and heavy loads, with the longevity and output to run demanding appliances for hours. With a score of 95 versus 82.5, broader device coverage, and vastly superior cycle life, the Yeti Pro 4000 is the stronger overall pick.
Yeti Pro 4000 is the stronger overall choice in this matchup based on weighted compatibility across 53 tested devices.
Yeti Pro 4000 has higher battery capacity (3,993.6 Wh), which generally supports longer runtime on the same load.
Yeti 1500X has the faster best-case solar recharge profile in our panel compatibility test set.
Yeti 1500X is lighter at 45.6 lbs vs 115.7 lbs. Yeti 1500X is rated portable for portability.
Yeti Pro 4000 powers 47 of 53 tested devices, compared to 43 for Yeti 1500X.