Capacity
Higher is better | Scale max: 6,144 Wh | Delta Pro Ultra X leads
Anker SOLIX F3800 3,840 Wh
Delta Pro Ultra X 6,144 Wh
Delta Pro Ultra X: +2,304 Wh (+60.0%).
Anker SOLIX F3800 vs Delta Pro Ultra X
VS
6,000W
Running power
12,000W
3,840 Wh
Battery
6,144 Wh
132.3 lbs
Weight
187.4 lbs
At a Glance
This comparison targets buyers shopping for a high-capacity LFP power station that can handle serious home backup or off-grid loads. The Delta Pro Ultra X doubles the Anker SOLIX F3800 in almost every core spec: 12,000W running power vs. 6,000W, 6,144 Wh of battery capacity vs. 3,840 Wh, and a staggering 24,000W surge rating that triples the F3800's 9,000W.
Solar performance follows the same pattern, with the Ultra X accepting up to 10,000W of panel input and reaching a full charge in roughly 7.3 hours, while the F3800 maxes out at 2,400W and needs about 13.7 hours. In device compatibility testing across 53 appliances, the Ultra X powered every single one; the F3800 handled 52 of 53.
The tradeoff is weight and bulk: the Ultra X tips the scales at 187.4 lbs compared to 132.3 lbs for the F3800, making it notably harder to move without help.
Overall Winner
Delta Pro Ultra X
Powers 53 of 53 tested devices vs 52 for Anker SOLIX F3800
Home backup: Delta Pro Ultra X RV / mobile: Anker SOLIX F3800 Solar: Delta Pro Ultra X
Delta Pro Ultra X wins overall, but the best pick depends on your use case.
Choose Anker SOLIX F3800 if...
- + Portability matters (132 lbs vs 187)
Choose Delta Pro Ultra X if...
- + You want faster solar recharging
- + 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: 12,000 W | Delta Pro Ultra X leads
Anker SOLIX F3800 6,000 W
Delta Pro Ultra X 12,000 W
Delta Pro Ultra X: +6,000 W (+100.0%).
Surge Power
Higher is better | Scale max: 24,000 W | Delta Pro Ultra X leads
Anker SOLIX F3800 9,000 W
Delta Pro Ultra X 24,000 W
Delta Pro Ultra X: +15,000 W (+166.7%).
Weight
Lower is better | Scale best: 132.3 lbs | Anker SOLIX F3800 leads
Anker SOLIX F3800 132.3 lbs (60.0 kg)
Delta Pro Ultra X 187.4 lbs (85.0 kg)
Anker SOLIX F3800: -55.1 lbs (29.4% lighter).
Battery Life
Higher is better | Scale max: 3,200 cycles | Delta Pro Ultra X leads
Anker SOLIX F3800 3,000 cycles
Delta Pro Ultra X 3,200 cycles
Delta Pro Ultra X: +200 cycles (+6.7%).
Compatibility Coverage
These two stations produce the same result on 52 of 53 devices. There is 1 difference.
Both can run: 52 · Differences: 2% (1/53)
Full Specs Comparison
| Spec | Anker SOLIX F3800 | Delta Pro Ultra X |
|---|---|---|
| Capacity | 3,840 Wh | 6,144 Wh ✓ |
| Running Power | 6,000 W | 12,000 W ✓ |
| Surge Power | 9,000 W | 24,000 W ✓ |
| Weight | 132.3 lbs (60.0 kg) ✓ | 187.4 lbs (85.0 kg) |
| Energy Density | 64.0 Wh/kg | 72.3 Wh/kg ✓ |
| Portability Tier | stationary | stationary |
| Chemistry | LFP | LFP |
| Cycle Life | 3,000 | 3,200 ✓ |
| Expandable | Yes | Yes |
| UPS | No | No |
| AC Voltage | 120V/240V | 120V/240V |
Solar Charging
Best-case charging profile using compatible solar panels.
Anker SOLIX F3800
Max solar input 2,400 W
Connector XT60
Full charge time ~13.7h
Compatible panels 19/20
MPPT: 11-60V
Delta Pro Ultra X
Faster Max solar input 10,000 W
Connector MC4
Full charge time ~7.3h
Compatible panels 20/20
MPPT: 80-500V
Charge speed comparison
Longer bar = faster charge (inverted scale)
Device Compatibility
All tested devices grouped by category. Click a category to expand.
Anker SOLIX F3800Delta Pro Ultra X
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)
6/77/7
6/7
7/7
| Device | Anker SOLIX F3800 | Runtime | Delta Pro Ultra X | Runtime |
|---|---|---|---|---|
| Box Fan (20-inch) | Safe | 32.4h | Safe | 51.8h |
| Central AC (3-Ton) | Fail | N/A | Tight | 1.1h |
| Dehumidifier (70 Pint) | Safe | 3.1h | Safe | 5h |
| Gas Furnace Fan (Blower) | Safe | 2.5h | Safe | 4.1h |
| Portable AC (12,000 BTU) | Safe | 2h | Safe | 3.2h |
| Space Heater (1,500W) | Safe | 1.8h | Safe | 2.9h |
| Window AC (8,000 BTU) | Safe | 3.8h | Safe | 6.1h |
Home Infrastructure(3)
3/33/3
3/3
3/3
Kitchen Appliances(11)
11/1111/11
11/11
11/11
| Device | Anker SOLIX F3800 | Runtime | Delta Pro Ultra X | Runtime |
|---|---|---|---|---|
| 2-Slice Bread Toaster | Safe | 1.8h | Safe | 2.9h |
| Coffee Maker | Safe | 1.7h | Safe | 2.7h |
| Digital Air Fryer | Safe | 1.6h | Safe | 2.5h |
| Electric Skillet | Safe | 1.8h | Safe | 2.9h |
| Electric Stove (Single Burner) | Safe | 1.5h | Safe | 2.4h |
| Electric Water Kettle | Safe | 1.8h | Safe | 2.9h |
| Instant Pot (6 Qt) | Safe | 1.8h | Safe | 2.9h |
| Microwave Oven (1000W) | Safe | 1.4h | Safe | 2.2h |
| Rice Cooker | Safe | 2.9h | Safe | 4.6h |
| Slow Cooker | Safe | 9h | Safe | 14.3h |
| Toaster Oven | Safe | 1.5h | Safe | 2.4h |
Large Appliances(4)
4/44/4
4/4
4/4
Medical(4)
4/44/4
4/4
4/4
Outdoor & RV(6)
6/66/6
6/6
6/6
Personal Care(2)
2/22/2
2/2
2/2
Power Tools(5)
5/55/5
5/5
5/5
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The Bottom Line
The Anker SOLIX F3800 suits buyers who need reliable whole-home backup at a more manageable size and weight, with 6,000W of continuous output still enough to run most critical circuits. The Delta Pro Ultra X is the pick for households or job sites that demand 12,000W continuous power, faster solar recharge, and total device coverage. With a score of 105 to the F3800's 100 and perfect compatibility results, the Delta Pro Ultra X earns the win here.
Anker SOLIX F3800 vs Delta Pro Ultra X FAQ
Q Which is better for home backup, Anker SOLIX F3800 or Delta Pro Ultra X?
Delta Pro Ultra X is the stronger overall choice in this matchup based on weighted compatibility across 53 tested devices.
Q Which has longer runtime, Anker SOLIX F3800 or Delta Pro Ultra X?
Delta Pro Ultra X has higher battery capacity (6,144 Wh), which generally supports longer runtime on the same load.
Q Which charges faster with solar panels?
Delta Pro Ultra X has the faster best-case solar recharge profile in our panel compatibility test set.
Q Which is more portable, Anker SOLIX F3800 or Delta Pro Ultra X?
Anker SOLIX F3800 is lighter at 132.3 lbs vs 187.4 lbs. Anker SOLIX F3800 is rated stationary for portability.
Q How many devices can each power station run?
Delta Pro Ultra X powers 53 of 53 tested devices, compared to 52 for Anker SOLIX F3800.