Short Home Outages
Keeping the fridge, Wi-Fi and phones alive for hours
VTOMAN · Extra large
VTOMAN FlashSpeed Pro 3600 review
3.10 kWh of storage, 3.6 kW of continuous AC output, listed at $1,300. That works out to $0.42 per watt-hour and 36.9 watt-hours per pound.
3.10 kWh3.6 kW AC83.8 lbLiFePO43,000 cycles
from owners, collected by VTOMAN
More product images
Further photographs published by VTOMAN for this model. We use the manufacturer’s own product imagery rather than stock photography, so what you see is the actual unit.
What this unit is for
Budget hardware with a jump-starter heritage: several units double as car jump starters, which is the brand's clearest differentiator.
Best suited to: Drivers who mainly want jump-start capability plus basic backup power. Less suited to: Buyers whose priority is a refined, well-supported power station.
Multi-day backup, off-grid and whole-home loads.
Specifications
15 of 19 fields are published by VTOMAN for this model. The rest are shown as “—” and are excluded from rankings rather than estimated.
| Capacity | 3.10 kWh |
|---|---|
| AC output (continuous) | 3.6 kW |
| AC surge | 6 kW |
| Power lifting / boost | — |
| Battery chemistry | LiFePO4 |
| Rated cycles | 3,000 |
| Weight | 83.8 lb |
| AC recharge to full | 2 h |
| Max solar input | 800 W |
| AC outlets | 4 |
| USB-C ports | 2 |
| USB-A ports | — |
| 12V car port | 2 |
| UPS switchover | 20 ms |
| Max expandable capacity | 5.91 kWh |
| Warranty | 24 months |
| Noise level | — |
| Ingress protection | — |
| Operating temp (low) | -4 °F |
| List price | $1,300 |
Where these numbers come from. Every figure on this page is taken from VTOMAN’s own product listing and is stored with the vendor’s exact wording, reproduced below. We do not estimate missing specs — a field the vendor does not publish is shown as “—” and excluded from rankings. Source: vtoman.com/products/vtoman-flashspeed-pro-3600-power-station.
Vendor wording for each figure (15)
capacityWh: “Battery Capacity => 3096Wh”acOutputW: “Product Name => VTOMAN FlashSpeed Pro 3600 Continuous Power 3x2200W + 1x3600W, total 3600W”acSurgeW: “Peak Power => 6000W”chemistry: “Battery Type => LiFePO4”cycleLife: “ensuring over 3,000 cycles”weight: “Weight => 38 kg (83.8 lbs)”rechargeAcMinutes: “fully recharges from 0% to 100% in just 2 hours via a standard AC wall outlet”solarInputW: “Supports up to 1800W AC input or 800W solar input”acOutlets: “including 4 AC outlets”usbCPorts: “USB-C PD Output => 2 x 100W Max(Output Only)”carPort: “Cigarette Lighter Port => 2 x 12V/10A”upsSwitchoverMs: “switching over in under 20ms”maxExpandableWh: “Expandable Capacity up to 5912Wh”warrantyMonths: “24‑month warranty”operatingTempF: “Operating Temperature => -4°F to 131°F”
What owners say
All owner voices →4.90sample size not published by the vendor
Rating only — no review text published
vtoman publishes an aggregate score of 4.90 without stating how many owners rated it, but does not expose the individual review text on its product page. We show the score and say so, rather than presenting a rating as if it came with testimony.
Where it ranks
All rankings →Position among all 107 models we track, in each dimension this unit publishes the inputs for.
| Dimension | Rank | Value |
|---|---|---|
| Best value (cost per watt-hour) | #23 of 104 | $0.42 |
| Most portable (Wh per pound) | #52 of 103 | 36.9 Wh/lb |
| Most inverter headroom | #72 of 106 | 116 W/100Wh |
| Fastest AC recharge | #2 of 49 | 1.5 kW |
| Highest solar input | #37 of 83 | 800 W |
| Most expandable | #20 of 36 | 5.91 kWh |
| Longest service life | #17 of 96 | 9288 kWh |
| Most output per dollar | #37 of 103 | 2.77 W/$ |
| Best for home backup | #5 of 106 | 84/100 |
| Longest warranty | #97 of 105 | 24 mo |
Who buys this brand, and why
Full VTOMAN profile →Who it is for
- Drivers who want a jump starter that also powers devices
- Budget preparedness buyers
- Campers who want one box for the car
What they will pay extra for
- The jump-starter capability itself
- Price per watt-hour
- A bundled panel or case
Honest drawbacks
- Combination units compromise on both jobs
- Support and documentation are limited
- Independent verification of claimed specs is scarce
- App and firmware features lag the mainstream brands
Fits these buying scenarios
RV & Van Life
Living and working from a vehicle, on solar and alternator charging
Off-Grid & DIY Solar
Cabins, sheds, job sites and self-built systems
Elsewhere in the VTOMAN range
All VTOMAN models →
Closest rivals by capacity
Other brands’ models nearest in capacity — the units a buyer is most likely to be comparing against this one.
