VTOMAN FlashSpeed 1500
#24 in LargeFull review
A 1.5kWh LiFePO4 station with fast AC charging at a low price, good for home backup and RV use if you mostly recharge from the wall.
VTOMAN $589$589
The VTOMAN FlashSpeed 1500 is the better portable power station overall, rated 3.6 to 3.5. The VTOMAN FlashSpeed 1500 leads on value and charging speed. The Jackery Explorer 1500 Ultra wins on battery life, AC output and solar input. The VTOMAN FlashSpeed 1500 costs $490 less ($589 vs $1,079).
Jackery Explorer 1500 Ultra
#27 in LargeFull review
A rugged, weather-sealed 1.5kWh station for overlanding and outdoor work where rain and dust are part of the job.
Amazon $1,079 Jackery $1,079$1,079
Prices 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 VTOMAN FlashSpeed 1500 for value ($0.38 per rated Wh vs $0.70 per rated Wh) and charging speed (0-100% on AC in 1 h vs 0-100% on AC in 1 h 30 min).
- Choose the Jackery Explorer 1500 Ultra for battery life (LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 2-year warranty), AC output (1,800 W continuous AC vs 1,500 W continuous AC) and solar input (800 W max solar input vs 400 W max solar input).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every large portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | VTOMAN FlashSpeed 1500 | Jackery Explorer 1500 Ultra |
|---|---|---|
| Overall rating | 3.6/5 | 3.5/5 |
| Value 25% | 88 $0.38 per rated Wh | 38 $0.70 per rated Wh |
| Tested capacity 15% | 37 78% of rated capacity delivered (1 test) | 50 not yet independently tested (neutral score used) |
| Battery life 15% | 76 LiFePO4, 3,000 cycles, 2-year warranty | 100 LiFePO4, 4,000 cycles, 5-year warranty |
| AC output 15% | 0 1,500 W continuous AC | 21 1,800 W continuous AC |
| Charging speed 10% | 95 0-100% on AC in 1 h | 79 0-100% on AC in 1 h 30 min |
| Portability 10% | 68 82 Wh per kg (41.4 lb (18.8 kg)) | 78 88 Wh per kg (38.6 lb (17.5 kg)) |
| Solar input 5% | 13 400 W max solar input | 44 800 W max solar input |
| Features 5% | 80 UPS (20 ms), expandable, 100 W USB-C | 75 UPS (20 ms), 100 W USB-C, app |
Independent capacity tests
VTOMAN FlashSpeed 1500
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| Techno-Science | 1,210 Wh | 78% | About 1,210Wh delivered into a ~1,040W hair-dryer load on the 230V EU version; recharge drew about 1,560Wh in roughly an hour. |
Jackery Explorer 1500 Ultra
No independent test published yet.
Specifications
| VTOMAN FlashSpeed 1500 | Jackery Explorer 1500 Ultra | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,548 Wh | 1,536 Wh |
| Tested usable capacity | 1,210 Wh (78%) | - |
| Chemistry | LiFePO4 | LiFePO4 |
| Cycle life | 3,000 to 80% | 4,000 to 70%+ |
| Expandable | Yes, up to 3,096 Wh | No |
| Output | ||
| AC output | 1,500 W (3,000 W surge) | 1,800 W (3,600 W surge) |
| AC outlets | 3 total | 3 total |
| 120V 15A outlets (NEMA 5-15R) | 3 | - |
| 120V 20A outlets (NEMA 5-20R) | - | 3 |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 4 | 1 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 2 | - |
| UPS / pass-through | Yes (20 ms switchover) | Yes (20 ms switchover) |
| Charging | ||
| AC charging | 1,500 W | - |
| Full AC charge time | 1 h | 1 h 30 min (1.5 hr from a wall outlet) |
| Max solar input | 400 W | 800 W |
| Solar input voltage | 30-60V (Anderson) | 16-60V (DC8020, dual input) |
| Car charging | 200 W | - |
| Build | ||
| Weight | 41.4 lb (18.8 kg) | 38.6 lb (17.5 kg) |
| Dimensions | 15.5 x 11 x 10.6 in | 13.2 x 10.4 x 11.6 in |
| App | - | Jackery app (WiFi/Bluetooth) |
| Warranty | 2 years | 5 years |