EcoFlow DELTA 2 Max
2048 Wh, 2400 W
Vtoman FlashSpeed 1500
Power station · FlashSpeed. Specs from the manufacturer page (checked ).
The Vtoman FlashSpeed 1500 is a 1548 Wh portable power station with 1500 W AC output and 3000 W peak output. It has a LiFePO4 battery rated for over 3000 cycles to 80% capacity and switches to power in under 20 ms during an outage.
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Capacity
1548Wh
Continuous
1500W
Peak / surge
3000W
Chemistry
LiFePO4
Cycles
3000
Expandable
Yes
Weight
18.8kg
Warranty
5yr
Key features
- 3 AC outlets rated 1500 W total (3000 W peak), 110V~60Hz pure sine wave
- Capacity 1548 Wh, expandable to 3096 Wh with an additional battery (sold separately)
- Ports: 4 USB-A, 2 USB-C (100 W max each), 2 DC5521 (120 W max total), 1 car port
- Pass-through charging and UPS function; switches in under 20 ms
- Jump starter function starts a car in 3 seconds (jumper cable sold separately)
- LifeBMS with 10 protections, including overcharge, overdischarge, overvoltage and thermal protection
- AC input 90-140V, 1500 W max; DC input 12-20V, 200 W max; Anderson input 30-60V, 400 W max
What it is for
- Home backup
- Outdoor use
- Emergencies
Specifications
| Capacity | 1548 Wh |
|---|---|
| Continuous output | 1500 W |
| Peak / surge | 3000 W |
| Expandable | Yes |
| Battery chemistry | LiFePO4 |
| Cycle life | 3000 cycles |
| AC output voltage | 110V~60Hz |
| Weight | 18.8 kg (41.4 lb) |
| Dimensions | 39.3 × 28.0 × 27.0 cm (15.5 × 11.0 × 10.6 in) |
| Warranty | 5 years |
From the Vtoman page. Values the manufacturer does not publish are left out.
How long it runs common appliances
| Appliance | Watts | Runs? | Hours |
|---|---|---|---|
| Refrigerator (with freezer) | 120 W (600 start) | yes | 29 h |
| Chest freezer | 100 W (500 start) | yes | 41 h |
| CPAP (no humidifier) | 35 W (40 start) | yes | 35 h |
| Gas boiler (pump + controls) | 120 W (300 start) | yes | 20 h |
| Wi-Fi router + modem/ONU | 12 W | yes | 4.3 days |
| Starlink (standard dish) | 60 W (100 start) | yes | 20 h |
| TV 50" | 75 W | yes | 16 h |
| Sump pump 1/2 HP | 920 W (2150 start) | yes | 1.3 h |
| Well pump 1/2 HP | 880 W (2000 start) | yes | 1.4 h |
| Space heater 1500 W | 1500 W | yes | 1.2 h |
Assumes 88 % inverter efficiency, 90 % usable capacity and typical duty cycles. Build your own list in the calculator.
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Vtoman FlashSpeed 1500 comparisons
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All 29 comparisons
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- FlashSpeed 1500 vs Growatt INFINITY 2000 PRO
- FlashSpeed 1500 vs Oukitel P2001 Plus
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- FlashSpeed 1500 vs Grecell 2400W Portable Power Station
- FlashSpeed 1500 vs Allpowers R2500 V2
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Connection and wiring
We have not linked an official manual for this model yet; see the Vtoman page.
Error codes and troubleshooting
We have not found an official code table for this model yet.
FAQ
How long will the Vtoman FlashSpeed 1500 run a refrigerator?
About 29 hours for a typical 120 W refrigerator that runs 35 % of the time, after inverter and depth-of-discharge losses.
Can the Vtoman FlashSpeed 1500 start a sump pump or well pump?
Starting surge matters more than running watts: this unit is rated 3000 W peak. That covers a typical 1/2 HP sump pump (about 2150 W to start). Use the calculator with your exact pump.