Dabbsson 1000L
#2 in Mid-sizeFull review
For budget buyers who want 1 kWh of LiFePO4 storage for camping or short outages at a low price per watt-hour. The two AC outlets limit how many appliances it can run directly.
Amazon $386 Dabbsson $386$386
The Dabbsson 1000L is the better portable power station overall, rated 4.4 to 3.6. The Dabbsson 1000L leads on tested capacity, portability and battery life. The VTOMAN FlashSpeed 1000 costs $56.01 less ($329.99 vs $386).
VTOMAN FlashSpeed 1000
#33 in Mid-sizeFull review
A well-priced 828Wh LiFePO4 station that charges fast from the wall, good for home backup of essentials and car camping.
Amazon $339.99 VTOMAN $329.99$329.99
Prices were last checked October 24, 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 Dabbsson 1000L for tested capacity (87% of rated capacity delivered (1 test) vs 74% of rated capacity delivered (1 test)), portability (93 Wh per kg (24 lb (10.9 kg)) vs 58 Wh per kg (31.7 lb (14.4 kg))) and battery life (Semi-solid-state LiFePO4, 4,000 cycles, 5-year warranty vs LiFePO4, 3,000 cycles, 2-year warranty).
Scores side by side
Each factor is scored 0-100 against the same fixed reference points for every mid-size portable power station; a clear win is highlighted. How we rank explains each one.
| Factor weight | Dabbsson 1000L | VTOMAN FlashSpeed 1000 |
|---|---|---|
| Overall rating | 4.4/5 | 3.6/5 |
| Value 25% | 96 $0.38 per rated Wh | 94 $0.40 per rated Wh |
| Tested capacity 15% | 79 87% of rated capacity delivered (1 test) | 18 74% of rated capacity delivered (1 test) |
| Battery life 15% | 100 Semi-solid-state LiFePO4, 4,000 cycles, 5-year warranty | 76 LiFePO4, 3,000 cycles, 2-year warranty |
| AC output 15% | 56 1,200 W continuous AC | 44 1,000 W continuous AC |
| Charging speed 10% | 88 0-100% on AC in 1 h 12 min | 89 0-100% on AC in 1 h 10 min |
| Portability 10% | 86 93 Wh per kg (24 lb (10.9 kg)) | 23 58 Wh per kg (31.7 lb (14.4 kg)) |
| Solar input 5% | 52 600 W max solar input | 25 300 W max solar input |
| Features 5% | 75 UPS (15 ms), 100 W USB-C, app | 80 UPS, expandable, 100 W USB-C |
Independent capacity tests
Dabbsson 1000L
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| mybest | 880 Wh | 87.3% | Japanese-market 1000L (same 1,008 Wh rating) run on a halogen heater from full until 0%; mybest reports 87.3% conversion efficiency and 880 Wh real capacity. |
VTOMAN FlashSpeed 1000
| Tested by | Usable AC energy | Of rated | Conditions |
|---|---|---|---|
| CNET | 612 Wh | 74% | 480W load logged with HOBOware; recharge from empty 1 h 8 min (listed under other stations tested; RTE not given). |
Specifications
| Dabbsson 1000L | VTOMAN FlashSpeed 1000 | |
|---|---|---|
| Battery | ||
| Rated capacity | 1,008 Wh | 828 Wh |
| Tested usable capacity | 880 Wh (87%) | 612 Wh (74%) |
| Chemistry | Semi-solid-state LiFePO4 | LiFePO4 |
| Cycle life | 4,000 to 80% | 3,000 3000+ cycles |
| Expandable | No | Yes, up to 2,376 Wh |
| Output | ||
| AC output | 1,200 W (2,400 W surge) | 1,000 W (2,000 W surge) |
| Boost mode (resistive loads) | 1,800 W | - |
| AC outlets | 2 total | 3 total |
| 120V 15A outlets (NEMA 5-15R) | 2 | 3 |
| AC waveform | Pure sine wave | - |
| USB-C ports | 2 (up to 100 W each) | 2 (up to 100 W each) |
| USB-A ports | 2 | 4 |
| 12 V car outlet | Yes | Yes |
| DC5521 ports | 1 | 2 |
| UPS / pass-through | Yes (15 ms switchover) | Yes |
| Charging | ||
| AC charging | 1,000 W | 700 W |
| Full AC charge time | 1 h 12 min (manufacturer: 0-80% in 50 min; full-charge time not published) | 1 h 10 min |
| Max solar input | 600 W | 300 W |
| Solar input voltage | 12-60V, 21A max (AC + solar combined up to 1400W) | 10-50V (Anderson) |
| Car charging | 200 W | 200 W |
| Build | ||
| Weight | 24 lb (10.9 kg) | 31.7 lb (14.4 kg) |
| Dimensions | 15.3 x 7.4 x 9.4 in | - |
| App | Dabbsson app | - |
| Warranty | 5 years | 2 years |
| Released | 2025-06 | 2024-03 |