Capacity
Higher is better | Scale max: 4,096 Wh | DELTA Pro 3 leads
DELTA 2 1,024 Wh
DELTA Pro 3 4,096 Wh
DELTA Pro 3: +3,072 Wh (+300.0%).
DELTA 2 vs DELTA Pro 3
1,800W
Running power
4,000W
1,024 Wh
Battery
4,096 Wh
26.5 lbs
Weight
113.5 lbs
At a Glance
This comparison targets buyers choosing between two EcoFlow LFP stations that sit at very different points on the capacity spectrum. The DELTA 2 delivers 1800W of running power from a 1024 Wh battery and weighs 26.5 lbs, making it a portable option for camping, tailgating, or light home backup. The DELTA Pro 3 jumps to 4000W running power, 8000W surge, and a 4096 Wh battery, four times the stored energy.
It also accepts up to 2600W of solar input versus 500W on the DELTA 2, and its 4000 cycle lifespan edges out the DELTA 2's 3000 cycles. In device compatibility testing across 53 appliances, the Pro 3 powered 48 while the DELTA 2 handled 39. That gap shows up mainly in high-draw loads like HVAC equipment and large kitchen appliances.
The tradeoff is weight: at 113.5 lbs, the Pro 3 is not a grab-and-go unit.
Overall Winner
DELTA Pro 3
Powers 48 of 53 tested devices vs 39 for DELTA 2
Home backup: DELTA Pro 3 RV / mobile: DELTA 2 Solar: Tie
DELTA Pro 3 wins overall, but the best pick depends on your use case.
Choose DELTA 2 if...
- + Portability matters (27 lbs vs 114)
- + You want faster solar recharging
Choose DELTA Pro 3 if...
- + You need 240V-capable loads
- + 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: 4,000 W | DELTA Pro 3 leads
DELTA 2 1,800 W
DELTA Pro 3 4,000 W
DELTA Pro 3: +2,200 W (+122.2%).
Surge Power
Higher is better | Scale max: 8,000 W | DELTA Pro 3 leads
DELTA 2 2,700 W
DELTA Pro 3 8,000 W
DELTA Pro 3: +5,300 W (+196.3%).
Weight
Lower is better | Scale best: 26.5 lbs | DELTA 2 leads
DELTA 2 26.5 lbs (12.0 kg)
DELTA Pro 3 113.5 lbs (51.5 kg)
DELTA 2: -87.1 lbs (76.7% lighter).
Battery Life
Higher is better | Scale max: 4,000 cycles | DELTA Pro 3 leads
DELTA 2 3,000 cycles
DELTA Pro 3 4,000 cycles
DELTA Pro 3: +1,000 cycles (+33.3%).
Where Compatibility Actually Differs
Out of 53 devices tested, 9 show a different result between these two stations.
Both can run: 39 · Differences: 17% (9/53) · Neither can run: 5
Only DELTA Pro 3 can run 9
Circular Saw (Corded) DELTA 2: Surge shortfall
Corded Drill / Hammer Drill DELTA 2: Surge shortfall
Electric Chainsaw (14-inch) DELTA 2: Surge shortfall
Shop Vac (Wet/Dry, 5-6 HP Peak) DELTA 2: Surge shortfall
Dehumidifier (70 Pint) DELTA 2: Needs soft-start
Portable AC (12,000 BTU) DELTA 2: Needs soft-start
Sump Pump (1/2 HP) DELTA 2: Needs soft-start
Well Pump (1 HP) DELTA 2: Voltage mismatch
Microwave Oven (1000W) DELTA 2: Running shortfall
Neither can run · 5 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)
Electric Clothes Dryer
RV Rooftop AC (13,500 BTU)
Full Specs Comparison
| Spec | DELTA 2 | DELTA Pro 3 |
|---|---|---|
| Capacity | 1,024 Wh | 4,096 Wh ✓ |
| Running Power | 1,800 W | 4,000 W ✓ |
| Surge Power | 2,700 W | 8,000 W ✓ |
| Weight | 26.5 lbs (12.0 kg) ✓ | 113.5 lbs (51.5 kg) |
| Energy Density | 85.3 Wh/kg ✓ | 79.5 Wh/kg |
| Portability Tier | portable | stationary |
| Chemistry | LFP | LFP |
| Cycle Life | 3,000 | 4,000 ✓ |
| Expandable | Yes | Yes |
| UPS | No | No |
| AC Voltage | 120V | 120V/240V |
Solar Charging
Best-case charging profile using compatible solar panels.
DELTA 2
Faster Max solar input 500 W
Connector XT60i
Full charge time ~3.7h
Compatible panels 19/20
MPPT: 11-60V
DELTA Pro 3
Max solar input 2,600 W
Connector XT60 + XT60i
Full charge time ~14.6h
Compatible panels 20/20
MPPT: 30-150V
Charge speed comparison
Longer bar = faster charge (inverted scale)
Device Compatibility
All tested devices grouped by category. Click a category to expand.
DELTA 2DELTA Pro 3
Emergency(2)
1/22/2
1/2
2/2
| Device | DELTA 2 | Runtime | DELTA Pro 3 | Runtime |
|---|---|---|---|---|
| Full-Size Freezer (15-17 Cu. Ft.) | Safe | 4.5h | Safe | 17.9h |
| Sump Pump (1/2 HP) | Soft Start | 0.6h | Safe | 2.5h |
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 2 | Runtime | DELTA Pro 3 | Runtime |
|---|---|---|---|---|
| Box Fan (20-inch) | Safe | 8.6h | Safe | 34.5h |
| Central AC (3-Ton) | Voltage Fail | N/A | Fail | N/A |
| Dehumidifier (70 Pint) | Soft Start | 0.8h | Safe | 3.3h |
| Gas Furnace Fan (Blower) | Tight | 0.7h | Safe | 2.7h |
| 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 | 4h |
Home Infrastructure(3)
1/32/3
1/3
2/3
| Device | DELTA 2 | Runtime | DELTA Pro 3 | Runtime |
|---|---|---|---|---|
| Electric Water Heater (50 Gal) | Voltage Fail | N/A | Fail | N/A |
| Garage Door Opener (Residential) | Safe | 4h | Safe | 15.9h |
| Well Pump (1 HP) | Voltage Fail | N/A | Tight | 1.2h |
Kitchen Appliances(11)
10/1111/11
10/11
11/11
| Device | DELTA 2 | Runtime | DELTA Pro 3 | Runtime |
|---|---|---|---|---|
| 2-Slice Bread Toaster | Safe | 0.5h | Safe | 1.9h |
| Coffee Maker | Safe | 0.4h | Safe | 1.8h |
| Digital Air Fryer | Tight | 0.4h | Safe | 1.7h |
| 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 | 2h |
| Microwave Oven (1000W) | Fail | N/A | Safe | 1.5h |
| Rice Cooker | Safe | 0.8h | Safe | 3h |
| Slow Cooker | Safe | 2.4h | Safe | 9.6h |
| Toaster Oven | Tight | 0.4h | Safe | 1.6h |
Large Appliances(4)
3/43/4
3/4
3/4
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)
0/54/5
0/5
4/5
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The Bottom Line
Pick the DELTA 2 if portability matters most and your loads stay under 1800W. Its 26.5 lb frame and 500W solar input make it a solid choice for road trips and short-duration outages.
Choose the DELTA Pro 3 if you need serious home backup capacity or plan to run heavy appliances. With a compatibility score of 96 versus 73.5 for the DELTA 2, the DELTA Pro 3 is the clear winner in this matchup.
DELTA 2 vs DELTA Pro 3 FAQ
Q Which is better for home backup, DELTA 2 or DELTA Pro 3?
DELTA Pro 3 is the stronger overall choice in this matchup based on weighted compatibility across 53 tested devices.
Q Which has longer runtime, DELTA 2 or DELTA Pro 3?
DELTA Pro 3 has higher battery capacity (4,096 Wh), which generally supports longer runtime on the same load.
Q Which charges faster with solar panels?
DELTA 2 has the faster best-case solar recharge profile in our panel compatibility test set.
Q Which is more portable, DELTA 2 or DELTA Pro 3?
DELTA 2 is lighter at 26.5 lbs vs 113.5 lbs. DELTA 2 is rated portable for portability.
Q How many devices can each power station run?
DELTA Pro 3 powers 48 of 53 tested devices, compared to 39 for DELTA 2.