1. Introduction
Thank you for purchasing the VTOMAN Flashspeed 1500 Portable Power Station and 400W Solar Panel Set. This product is designed to provide reliable and versatile power for various applications, including outdoor adventures, emergency backup, and off-grid living. Please read this manual thoroughly before use to ensure safe and optimal operation.

Image: The VTOMAN Flashspeed 1500 Portable Power Station shown alongside its accompanying 400W foldable solar panel.
2. Safety Instructions
Always follow these basic safety precautions when using the product:
- Do not disassemble, repair, or modify the unit.
- Keep the unit away from heat sources, direct sunlight, moisture, and water.
- Do not use or charge the unit if it is damaged.
- Ensure proper ventilation during use and charging.
- Keep out of reach of children and pets.
- Use only specified accessories and cables.
3. Package Contents
Verify that all items are included in your package:
- Portable Power Station Unit (x1)
- Dedicated AC Adapter Set (x1)
- USB-C to USB-C Cable (x1)
- USB-C Cable (x1)
- Cigarette Lighter Socket Cable (x1)
- 400W Solar Panel (x1)
- Conversion Cable (x1)
- User Manual (x1)

Image: An illustration showing the VTOMAN VS400 solar panel, its folded storage case, various connector cables (MC4, DC5521, XT60, Anderson), and the user manual.
4. Product Overview
The VTOMAN Flashspeed 1500 is a high-capacity portable power station designed for versatility and durability. It features multiple output ports to power a wide range of devices, from small electronics to high-wattage appliances. The accompanying 400W solar panel is foldable for easy transport and boasts high conversion efficiency, making it an excellent companion for off-grid charging.
5. Setup
Connecting the Solar Panel
To charge your Flashspeed 1500 using the solar panel:
- Unfold the 400W solar panel and place it in direct sunlight.
- Connect the MC4 connectors from the solar panel cable to the MC4 connectors of the conversion cable.
- Connect the XT60 end of the conversion cable to the XT60 input port on the Flashspeed 1500 Portable Power Station.
- Adjust the angle of the solar panel towards the sun for optimal charging efficiency.

Image: A visual guide demonstrating how to connect the solar panel to the portable power station using MC4 and XT60 connectors.
6. Operating Instructions
Charging the Power Station
The Flashspeed 1500 can be charged via AC outlet, solar panel, or car charger.
- AC Charging: Connect the dedicated AC adapter to a wall outlet. The power station can achieve a full charge in approximately 60 minutes.
- Solar Charging: Using the 400W solar panel, a full charge can be achieved in 4-5 hours under optimal sunlight conditions.
- Car Charging: Connect the cigarette lighter socket cable to your vehicle's 12V outlet. Charging time is approximately 13-15 hours.

Image: An infographic illustrating the various charging methods (AC, solar, car) and their respective charging times for the power station.
Powering Devices
The Flashspeed 1500 offers multiple output options:
- AC Output: 6 pure sine wave AC 100V ports (1500W rated, up to 2400W with Power Lift function). Ideal for high-power appliances like electric blankets, coffee makers, and microwave ovens.
- DC Output: 2x DC 5521 ports (12V/10A) and 1x cigarette lighter socket port (12V/10A). Suitable for car refrigerators and electric air compressors.
- USB Output: 2x USB-C PD ports (100W Max), 1x USB-A QC3.0 port (18W Max), and 3x USB-A ports (12W Max). For charging smartphones, tablets, laptops, and other USB-powered devices.

Image: The power station connected to various household appliances such as a refrigerator, air conditioner, microwave oven, and coffee maker, demonstrating its capability to power high-consumption devices.
Jump Starter Function
The Flashspeed 1500 can also function as a jump starter for vehicles. It provides 2500A peak current, capable of starting 7.0L gasoline engines up to 50 times on a single charge. (Booster cables sold separately).

Image: The power station connected to a car battery under the hood, illustrating its jump-starting capability.
Uninterruptible Power Supply (UPS) Function
In the event of a power outage, the UPS function activates within 0.01 seconds, automatically switching power from the wall outlet to the Flashspeed 1500, preventing sudden power interruptions for connected devices.

Image: The power station connected to a computer setup, demonstrating its role as an Uninterruptible Power Supply (UPS) during a power outage.
7. Features
High Conversion Efficiency (23%)
The 400W solar panel utilizes advanced monocrystalline silicon cells, achieving a high solar conversion efficiency of up to 23%. This ensures maximum power generation from sunlight.

Image: A diagram illustrating the 23% high conversion efficiency of the solar panel, highlighting its advanced photoelectric conversion technology.
Durable ETFE Material
The solar panel is constructed with high-quality ETFE material, offering superior transparency, insulation, and low friction. This enhances durability, heat resistance, and light transmittance, allowing for long-term outdoor use without degradation from high temperatures.

Image: A layered diagram showing the construction of the solar panel, including the monocrystalline high-efficiency cell, black epoxy substrate, reinforced EVA, latest ETFE film, and cation laminate fabric.
Foldable and Portable Design
The solar panel features a foldable design, allowing for compact storage and easy portability. This makes it ideal for various activities such as camping, beach trips, fishing, and short excursions.

Image: A person carrying the folded solar panel, demonstrating its portability, with an inset showing the panel transforming from unfolded to folded storage case.
IP67 Waterproof and Dustproof
The solar panel is rated IP67, providing excellent protection against dust and water ingress. It can be used without issues in light rain or snow, ensuring reliable performance in various outdoor conditions.

Image: The solar panel with water droplets on its surface, indicating its IP67 waterproof and dustproof rating, suitable for use in light rain or snow.
V-Beyond Function
The V-Beyond function allows the power station to operate electrical products with a total power consumption exceeding its rated 1500W output. It automatically cuts off the AC output and lowers the voltage to power high-power devices up to 2400W.

Image: The power station connected to a tall fan and a television, illustrating its V-Beyond function which allows it to power devices exceeding its rated output by adjusting voltage.
VTOMAN Self-Developed LiFeBMS Battery Protection
The Flashspeed 1500 is equipped with VTOMAN's proprietary LiFeBMS (Lithium Iron Phosphate Battery Management System), offering comprehensive battery protection for safe and reliable use. This includes over-charge, over-discharge, over-current, over-voltage, short-circuit, over-temperature, and other protections.

Image: A circuit board with a glowing chip labeled "BMS", representing the VTOMAN self-developed LiFeBMS battery protection system, ensuring super safe and secure operation.
8. Specifications
| Feature | Specification |
|---|---|
| Model Number | 1548Wh+400W |
| Battery Type | Lithium Iron Phosphate (LiFePO4) |
| Capacity | 1548Wh |
| AC Output | 1500W (Pure Sine Wave, 100V) |
| Power Lift Function | 2100W - 2400W |
| Solar Panel Power | 400W |
| Solar Panel Efficiency | Up to 23% |
| Solar Panel Material | ETFE |
| Waterproof Rating | IP67 (Solar Panel) |
| Product Weight | 20.4 Kilograms |
| Dimensions (Package) | 45.9 x 43.1 x 36.79 cm |
| Special Features | Fast Charging, UPS Function, Jump Starter |
9. Maintenance
To ensure the longevity and optimal performance of your VTOMAN Flashspeed 1500:
- Store the unit in a cool, dry place away from direct sunlight and extreme temperatures.
- Charge the unit fully at least once every 3-6 months to maintain battery health, even if not in use.
- Clean the exterior with a soft, dry cloth. Do not use abrasive cleaners or solvents.
- Keep the solar panel surface clean from dust and debris to maximize charging efficiency.
10. Troubleshooting
If you encounter issues with your power station, try the following:
- Unit not turning on: Ensure the battery is charged. Press and hold the power button for a few seconds.
- No output from ports: Check if the specific output port (AC, DC, USB) is enabled. Ensure the device connected is within the power station's output limits.
- Slow solar charging: Ensure the solar panel is in direct sunlight and free from obstructions. Adjust the panel angle for optimal sun exposure. Clean the panel surface.
- Overload protection: If the unit shuts down due to overload, disconnect the high-power device, restart the unit, and connect devices within its rated output or utilize the V-Beyond function if applicable.
For further assistance, please contact VTOMAN customer support.
11. Warranty and Support
VTOMAN products come with a standard warranty. Please refer to the warranty card included in your package or visit the official VTOMAN website for detailed warranty terms and conditions. For technical support, product inquiries, or warranty claims, please contact VTOMAN customer service through the contact information provided in your user manual or on the official website.





