Capacity
Delta Pro Ultra: +4,096 Wh (+200.0%).
This comparison targets buyers choosing between a mid-capacity portable unit and a high-output whole-home backup system. The Delta Pro Ultra delivers 6000W of running power and 6144 Wh of battery capacity, nearly tripling the AC200MAX's 2200W output and 2048 Wh reserve.
That gap shows up in real-world device coverage: the Delta Pro Ultra powered 52 of 53 tested devices, while the AC200MAX handled 45. Solar input tells a similar story, with the Delta Pro Ultra accepting up to 5600W compared to 900W on the Bluetti.
The AC200MAX does hold a clear portability advantage at 61.9 lbs versus 182.1 lbs, making it far easier to transport for camping, tailgating, or job-site use. Both units use LFP chemistry and support expansion batteries, so longevity and scalability are strong on either side.
Overall Winner
Delta Pro Ultra
Powers 52 of 53 tested devices vs 45 for AC200MAX
Delta Pro Ultra 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.
Delta Pro Ultra: +4,096 Wh (+200.0%).
Delta Pro Ultra: +3,800 W (+172.7%).
Delta Pro Ultra: +7,200 W (+150.0%).
AC200MAX: -120.2 lbs (66.0% lighter).
AC200MAX: +300 cycles (+9.4%).
Out of 53 devices tested, 7 show a different result between these two stations.
Both can run: 45 · Differences: 13% (7/53) · Neither can run: 1
Circular Saw (Corded) AC200MAX: Surge shortfall
Electric Chainsaw (14-inch) AC200MAX: Surge shortfall
Pancake Air Compressor (6-Gallon) AC200MAX: Needs soft-start
Electric Water Heater (50 Gal) AC200MAX: Voltage mismatch
Well Pump (1 HP) AC200MAX: Voltage mismatch
Electric Clothes Dryer AC200MAX: Voltage mismatch
RV Rooftop AC (13,500 BTU) AC200MAX: Surge shortfall
These are 240V or high-voltage devices โ neither station supports them.
Central AC (3-Ton)
| Spec | AC200MAX | Delta Pro Ultra |
|---|---|---|
| Capacity | 2,048 Wh | 6,144 Wh ✓ |
| Running Power | 2,200 W | 6,000 W ✓ |
| Surge Power | 4,800 W | 12,000 W ✓ |
| Weight | 61.9 lbs (28.1 kg) ✓ | 182.1 lbs (82.6 kg) |
| Energy Density | 72.9 Wh/kg | 74.4 Wh/kg ✓ |
| Portability Tier | heavy | stationary |
| Chemistry | LFP | LFP |
| Cycle Life | 3,500 ✓ | 3,200 |
| Expandable | Yes | Yes |
| UPS | No | No |
| AC Voltage | 120V | 120V/240V |
Best-case charging profile using compatible solar panels.
MPPT: 10-145V
MPPT: 80-450V
Charge speed comparison
Longer bar = faster charge (inverted scale)
All tested devices grouped by category. Click a category to expand.
| Device | AC200MAX | Runtime | Delta Pro Ultra | Runtime |
|---|---|---|---|---|
| Box Fan (20-inch) | Safe | 17.3h | Safe | 51.8h |
| Central AC (3-Ton) | Voltage Fail | N/A | Fail | N/A |
| Dehumidifier (70 Pint) | Safe | 1.7h | Safe | 5h |
| Gas Furnace Fan (Blower) | Safe | 1.4h | Safe | 4.1h |
| Portable AC (12,000 BTU) | Tight | 1.1h | Safe | 3.2h |
| Space Heater (1,500W) | Safe | 1h | Safe | 2.9h |
| Window AC (8,000 BTU) | Safe | 2h | Safe | 6.1h |
| Device | AC200MAX | Runtime | Delta Pro Ultra | Runtime |
|---|---|---|---|---|
| Electric Water Heater (50 Gal) | Voltage Fail | N/A | Tight | 0.8h |
| Garage Door Opener (Residential) | Safe | 8h | Safe | 23.9h |
| Well Pump (1 HP) | Voltage Fail | N/A | Safe | 1.8h |
| Device | AC200MAX | Runtime | Delta Pro Ultra | Runtime |
|---|---|---|---|---|
| 2-Slice Bread Toaster | Safe | 1h | Safe | 2.9h |
| Coffee Maker | Safe | 0.9h | Safe | 2.7h |
| Digital Air Fryer | Safe | 0.8h | Safe | 2.5h |
| Electric Skillet | Safe | 1h | Safe | 2.9h |
| Electric Stove (Single Burner) | Safe | 0.8h | Safe | 2.4h |
| Electric Water Kettle | Safe | 1h | Safe | 2.9h |
| Instant Pot (6 Qt) | Safe | 1h | Safe | 2.9h |
| Microwave Oven (1000W) | Safe | 0.7h | Safe | 2.2h |
| Rice Cooker | Safe | 1.5h | Safe | 4.6h |
| Slow Cooker | Safe | 4.8h | Safe | 14.3h |
| Toaster Oven | Safe | 0.8h | Safe | 2.4h |
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The AC200MAX suits buyers who need a portable, expandable station for lighter loads, overnight off-grid trips, or supplemental solar power under 900W. The Delta Pro Ultra is the better fit for extended home backup, heavy appliance support, and large rooftop solar arrays up to 5600W. With a score of 102 versus 88.5 and near-complete device compatibility, the Delta Pro Ultra is the clear winner for anyone whose priority is maximum power and coverage.
Delta Pro Ultra is the stronger overall choice in this matchup based on weighted compatibility across 53 tested devices.
Delta Pro Ultra has higher battery capacity (6,144 Wh), which generally supports longer runtime on the same load.
AC200MAX has the faster best-case solar recharge profile in our panel compatibility test set.
AC200MAX is lighter at 61.9 lbs vs 182.1 lbs. AC200MAX is rated heavy for portability.
Delta Pro Ultra powers 52 of 53 tested devices, compared to 45 for AC200MAX.