Capacity
Higher is better | Scale max: 3,600 Wh | Delta Pro leads
DELTA (Gen 1) 1,260 Wh
Delta Pro 3,600 Wh
Delta Pro: +2,340 Wh (+185.7%).
DELTA (Gen 1) vs Delta Pro
VS
1,800W
Running power
3,600W
1,260 Wh
Battery
3,600 Wh
30.9 lbs
Weight
99.2 lbs
At a Glance
This comparison targets buyers choosing between two EcoFlow portable power stations that sit at very different points on the capability spectrum. The Delta Pro nearly triples the DELTA Gen 1 in every core metric: 3600Wh of battery capacity vs. 1260Wh, 3600W running output vs. 1800W, and 7200W surge vs. 3300W.
It also uses LFP cell chemistry rated for 3500 cycles, giving it over four times the longevity of the DELTA's 800-cycle NMC pack. Solar input tells a similar story, with the Pro accepting up to 1600W compared to 400W on the original DELTA.
In device compatibility testing across 53 appliances, the Pro powered 47 while the DELTA handled 40. The tradeoff is physical: the Pro weighs 99.2 lbs, more than three times the DELTA's 30.9 lbs, making one-person portability a real challenge.
Overall Winner
Delta Pro
Powers 47 of 53 tested devices vs 40 for DELTA (Gen 1)
Home backup: Delta Pro RV / mobile: DELTA (Gen 1) Solar: Tie
Delta Pro wins overall, but the best pick depends on your use case.
Choose DELTA (Gen 1) if...
- + Portability matters (31 lbs vs 99)
- + You want faster solar recharging
Choose Delta Pro if...
- + You value battery longevity (LFP, 3,500 cycles)
- + You want future battery expansion
- + 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 | Delta Pro leads
DELTA (Gen 1) 1,800 W
Delta Pro 3,600 W
Delta Pro: +1,800 W (+100.0%).
Surge Power
Higher is better | Scale max: 7,200 W | Delta Pro leads
DELTA (Gen 1) 3,300 W
Delta Pro 7,200 W
Delta Pro: +3,900 W (+118.2%).
Weight
Lower is better | Scale best: 30.9 lbs | DELTA (Gen 1) leads
DELTA (Gen 1) 30.9 lbs (14.0 kg)
Delta Pro 99.2 lbs (45.0 kg)
DELTA (Gen 1): -68.3 lbs (68.9% lighter).
Battery Life
Higher is better | Scale max: 3,500 cycles | Delta Pro leads
DELTA (Gen 1) 800 cycles
Delta Pro 3,500 cycles
Delta Pro: +2,700 cycles (+337.5%).
Where Compatibility Actually Differs
Out of 53 devices tested, 7 show a different result between these two stations.
Both can run: 40 · Differences: 13% (7/53) · Neither can run: 6
Only Delta Pro can run 7
Circular Saw (Corded) DELTA (Gen 1): Surge shortfall
Electric Chainsaw (14-inch) DELTA (Gen 1): Surge shortfall
Shop Vac (Wet/Dry, 5-6 HP Peak) DELTA (Gen 1): Surge shortfall
Dehumidifier (70 Pint) DELTA (Gen 1): Needs soft-start
Portable AC (12,000 BTU) DELTA (Gen 1): Needs soft-start
Sump Pump (1/2 HP) DELTA (Gen 1): Needs soft-start
Microwave Oven (1000W) DELTA (Gen 1): 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 (Gen 1) | Delta Pro |
|---|---|---|
| Capacity | 1,260 Wh | 3,600 Wh ✓ |
| Running Power | 1,800 W | 3,600 W ✓ |
| Surge Power | 3,300 W | 7,200 W ✓ |
| Weight | 30.9 lbs (14.0 kg) ✓ | 99.2 lbs (45.0 kg) |
| Energy Density | 90.0 Wh/kg ✓ | 80.0 Wh/kg |
| Portability Tier | portable | heavy |
| Chemistry | NMC | LFP |
| Cycle Life | 800 | 3,500 ✓ |
| Expandable | No | Yes |
| UPS | No | No |
| AC Voltage | 120V | 120V |
Solar Charging
Best-case charging profile using compatible solar panels.
DELTA (Gen 1)
Faster Max solar input 400 W
Connector XT60
Full charge time ~4.5h
Compatible panels 19/20
MPPT: 10-65V
Delta Pro
Max solar input 1,600 W
Connector XT60i
Full charge time ~12.9h
Compatible panels 20/20
MPPT: 11-150V
Charge speed comparison
Longer bar = faster charge (inverted scale)
Device Compatibility
All tested devices grouped by category. Click a category to expand.
DELTA (Gen 1)Delta Pro
Emergency(2)
1/22/2
1/2
2/2
| Device | DELTA (Gen 1) | Runtime | Delta Pro | Runtime |
|---|---|---|---|---|
| Full-Size Freezer (15-17 Cu. Ft.) | Safe | 5.5h | Safe | 15.8h |
| Sump Pump (1/2 HP) | Soft Start | 0.8h | Safe | 2.2h |
Entertainment(2)
2/22/2
2/2
2/2
EV & Transportation(2)
2/22/2
2/2
2/2
Heating & Cooling(7)
4/76/7
4/7
6/7
| Device | DELTA (Gen 1) | Runtime | Delta Pro | Runtime |
|---|---|---|---|---|
| Box Fan (20-inch) | Safe | 10.6h | Safe | 30.4h |
| Central AC (3-Ton) | Voltage Fail | N/A | Voltage Fail | N/A |
| Dehumidifier (70 Pint) | Soft Start | 1h | Safe | 2.9h |
| Gas Furnace Fan (Blower) | Safe | 0.8h | Safe | 2.4h |
| Portable AC (12,000 BTU) | Soft Start | 0.6h | Safe | 1.9h |
| Space Heater (1,500W) | Safe | 0.6h | Safe | 1.7h |
| Window AC (8,000 BTU) | Safe | 1.2h | Safe | 3.5h |
Home Infrastructure(3)
1/31/3
1/3
1/3
| Device | DELTA (Gen 1) | Runtime | Delta Pro | Runtime |
|---|---|---|---|---|
| Electric Water Heater (50 Gal) | Voltage Fail | N/A | Voltage Fail | N/A |
| Garage Door Opener (Residential) | Safe | 4.9h | Safe | 14h |
| Well Pump (1 HP) | Voltage Fail | N/A | Voltage Fail | N/A |
Kitchen Appliances(11)
10/1111/11
10/11
11/11
| Device | DELTA (Gen 1) | Runtime | Delta Pro | Runtime |
|---|---|---|---|---|
| 2-Slice Bread Toaster | Safe | 0.6h | Safe | 1.7h |
| Coffee Maker | Safe | 0.6h | Safe | 1.6h |
| Digital Air Fryer | Tight | 0.5h | Safe | 1.5h |
| Electric Skillet | Safe | 0.6h | Safe | 1.7h |
| Electric Stove (Single Burner) | Tight | 0.5h | Safe | 1.4h |
| Electric Water Kettle | Safe | 0.6h | Safe | 1.7h |
| Instant Pot (6 Qt) | Safe | 0.6h | Safe | 1.7h |
| Microwave Oven (1000W) | Fail | N/A | Safe | 1.3h |
| Rice Cooker | Safe | 0.9h | Safe | 2.7h |
| Slow Cooker | Safe | 2.9h | Safe | 8.4h |
| Toaster Oven | Tight | 0.5h | Safe | 1.4h |
Large Appliances(4)
3/43/4
3/4
3/4
| Device | DELTA (Gen 1) | Runtime | Delta Pro | Runtime |
|---|---|---|---|---|
| Dishwasher | Tight | 0.5h | Safe | 1.4h |
| Electric Clothes Dryer | Voltage Fail | N/A | Voltage Fail | N/A |
| French Door Refrigerator | Safe | 4.3h | Safe | 12.2h |
| Washing Machine | Safe | 0.7h | Safe | 1.9h |
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 Gen 1 suits travelers, tailgaters, and hobbyists who need a 30.9 lb unit they can carry solo and whose loads stay under 1800W. The Delta Pro is the pick for home backup, heavy-tool use, or off-grid setups where 3600Wh of expandable, long-cycle-life storage and 1600W of solar input matter more than portability. With a score of 95 vs. 75.5, the Delta Pro is the clear winner for buyers who can handle its weight and need serious capacity.
DELTA (Gen 1) vs Delta Pro FAQ
Q Which is better for home backup, DELTA (Gen 1) or Delta Pro?
Delta Pro is the stronger overall choice in this matchup based on weighted compatibility across 53 tested devices.
Q Which has longer runtime, DELTA (Gen 1) or Delta Pro?
Delta Pro has higher battery capacity (3,600 Wh), which generally supports longer runtime on the same load.
Q Which charges faster with solar panels?
DELTA (Gen 1) has the faster best-case solar recharge profile in our panel compatibility test set.
Q Which is more portable, DELTA (Gen 1) or Delta Pro?
DELTA (Gen 1) is lighter at 30.9 lbs vs 99.2 lbs. DELTA (Gen 1) is rated portable for portability.
Q How many devices can each power station run?
Delta Pro powers 47 of 53 tested devices, compared to 40 for DELTA (Gen 1).
Q Can you expand the battery capacity of DELTA (Gen 1) or Delta Pro?
Only Delta Pro supports expansion batteries for additional capacity. DELTA (Gen 1) is limited to its built-in 1,260 Wh.