A 240V-capable, expandable home-backup unit for households that need to run a well pump or other 240V loads in an outage.
Amazon $1,799 Jackery $1,799The Jackery HomePower 3600 Pro Max is the better portable power station overall, rated 4.1 to 3.8. The Jackery HomePower 3600 Pro Max leads on value and portability. The EcoFlow DELTA Pro Ultra wins on AC output and solar input. The Jackery HomePower 3600 Pro Max costs $2,400 less ($1,799 vs $4,199).
A modular 6kWh home-backup system for buyers who need 240V output and plan to expand. Overkill for camping or short outages.
Amazon $4,199 EcoFlow $4,199Prices were last checked October 20, 2026 and are subject to change; the price and availability shown by the retailer at the time of purchase apply.
Which should you buy?
- Choose the Jackery HomePower 3600 Pro Max for value ($0.50 per rated Wh vs $0.68 per rated Wh) and portability (107 Wh per kg (74 lb (33.6 kg)) vs 75 Wh per kg (181.8 lb (82.4 kg))).
- Choose the EcoFlow DELTA Pro Ultra for AC output (7,200 W continuous AC vs 4,000 W continuous AC) and solar input (5,600 W max solar input vs 1,200 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every home backup portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Jackery HomePower 3600 Pro Max | EcoFlow DELTA Pro Ultra |
|---|---|---|
| Overall rating | 4.1/5 | 3.8/5 |
| Value 25% | 69 $0.50 per rated Wh | 41 $0.68 per rated Wh |
| Tested capacity 15% | 100 93% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 100 LiFePO4, 6,000 cycles, 5-year warranty | 96 LiFePO4, 3,500 cycles, 5-year warranty |
| AC output 15% | 46 4,000 W continuous AC | 100 7,200 W continuous AC |
| Charging speed 10% | 47 0-100% on AC in 2 h 30 min | 50 full AC charge time not published (neutral score used) |
| Portability 10% | 100 107 Wh per kg (74 lb (33.6 kg)) | 54 75 Wh per kg (181.8 lb (82.4 kg)) |
| Solar input 5% | 22 1,200 W max solar input | 90 5,600 W max solar input |
| Features 5% | 100 UPS (10 ms), expandable, 100 W USB-C, app | 100 UPS (0 ms), expandable, 100 W USB-C, app |
Independent capacity tests
Jackery HomePower 3600 Pro Max
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| The Solar Lab | - | 93% | Reported 93% AC discharge efficiency; test load not stated. Idle draw about 30W. |
EcoFlow DELTA Pro Ultra
No independent test published yet.
Specifications
| Jackery HomePower 3600 Pro Max | EcoFlow DELTA Pro Ultra | |
|---|---|---|
| Battery | ||
| Rated capacity | 3,584 Wh | 6,144 Wh |
| Tested usable capacity | 3,333 Wh (93%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 6,000 | 3,500 to 80% |
| Expandable | Yes, up to 21,500 Wh | Yes, up to 30,000 Wh |
| Output | ||
| AC output | 4,000 W (8,000 W surge) | 7,200 W (10,800 W surge) |
| AC outlets | 3 total | 6 total |
| 120V 20A outlets (NEMA 5-20R) | 2 | 4 |
| RV 30A outlet (TT-30R) | - | 1 |
| 120/240V 30A twist-lock (NEMA L14-30R) | - | 1 |
| 120/240V 50A outlet (NEMA 14-50R) | 1 | - |
| AC waveform | - | Pure sine wave, 120/240V split phase |
| USB-C ports | - | 2 (up to 100 W each) |
| USB-A ports | - | 2 |
| UPS / pass-through | Yes (10 ms switchover) | Yes (0 ms switchover) |
| Charging | ||
| AC charging | 1,800 W | - |
| Full AC charge time | 2 h 30 min (2.5 hr from a wall outlet; 1.3 hr with the 40A charging cable) | - |
| Max solar input | 1,200 W | 5,600 W |
| Solar input voltage | 16-60V 12A (2 x DC8020 inputs) | High-voltage 80-450V (4000W) and low-voltage 30-150V (1600W) |
| Build | ||
| Weight | 74 lb (33.6 kg) | 181.8 lb (82.4 kg) |
| Dimensions | 14.76 x 10.83 x 17.72 in | Inverter 27.2 x 18.9 x 8.4 in; battery 26 x 18 x 8 in |
| App | Jackery app | EcoFlow app (Bluetooth, Wi-Fi and 4G) |
| Warranty | 5 years | 5 years |
