SinKeu SK-300W, SK-600W
SinKeu Portable Power Station Set (300W & 600W)
User Manual
1. Introduction
Thank you for choosing the SinKeu Portable Power Station Set. This set includes two versatile power stations, one with a 300W output and another with a 600W output, designed to provide reliable power for your electronic devices during outdoor activities, emergencies, or RV travel. These units feature a built-in lithium battery pack, multiple output ports, and advanced safety features to ensure stable and safe power delivery.
Please read this user manual carefully before operating your power station to ensure proper use, optimal performance, and longevity of the product. Keep this manual for future reference.

Figure 1.1: SinKeu Portable Power Station Set (300W & 600W models)
2. Safety Instructions
To ensure safe operation and prevent damage to the power station or injury to yourself, please observe the following safety precautions:
- Do not disassemble, repair, or modify the unit. Incorrect reassembly may cause fire or electric shock.
- Do not place the unit near fire or expose it to direct sunlight or high temperatures.
- Do not charge, use, or store the unit in a bathroom or in an area exposed to water or high humidity.
- Use only the original or certified charging cables and adapters provided or recommended by SinKeu.
- Keep the unit away from children and pets.
- Do not insert foreign objects into the ports or openings of the unit.
- Ensure proper ventilation during use and charging. Do not cover the unit.
- If the unit emits an unusual odor, generates heat, or behaves abnormally, discontinue use immediately and contact customer service.
- The power station features a Pure Sine Wave AC inverter, which provides stable and clean power, protecting sensitive electronic devices from damage.

Figure 2.1: Pure Sine Wave AC output protects sensitive devices.
3. Package Contents
Please check the package contents upon unboxing. If any items are missing or damaged, contact SinKeu customer service.
- 1 x SinKeu Portable Power Station (300W model)
- 1 x SinKeu Portable Power Station (600W model)
- 2 x AC Power Adapter
- 2 x Car Charging Cable
- 2 x User Manual
4. Product Features and Components
The SinKeu Portable Power Stations are equipped with various ports and features for versatile power delivery:
- AC Outlets: 2 x Pure Sine Wave AC outlets (110V, 600W Max total for the 600W model, 300W Max for the 300W model).
- DC Ports: 2 x Regulated 12V/8A Max DC outputs.
- USB-C Ports: 2 x USB-C ports (5V/3A, 9V/2A, 12V/1.5A, 18W Max).
- USB-A Ports: 1 x QC3.0 port (18W Max) and 1 x standard USB port (5V/2.4A).
- Car Outlet: 1 x 12V/8A Max car outlet.
- Digital Display: Shows battery level, input/output wattage, and other status indicators.
- LED Flashlight: Built-in flashlight with steady, strobe, and SOS modes for emergency lighting.
- Battery Management System (BMS): Provides temperature control, overvoltage protection, overcurrent protection, and short circuit protection.

Figure 4.1: Overview of multiple output ports and quick charge capabilities.
5. Charging the Power Station
Your SinKeu Portable Power Station can be recharged using one of four methods:
- AC Wall Outlet: Connect the provided AC power adapter to the INPUT port on the power station and plug it into a standard wall outlet. The display will indicate charging status.
- Solar Panel (Not Included): Connect a compatible solar panel (DC 12-24V) to the INPUT port. Ensure the solar panel's output voltage is within the specified range.
- Car Cigarette Lighter Port: Use the provided car charging cable to connect the power station to your vehicle's 12V cigarette lighter port.
- Other Generators: The power station can also be recharged using compatible portable generators.
It is recommended to fully charge the power station before first use.
6. Operating Instructions
To use the SinKeu Portable Power Station, follow these steps:
- Power On/Off: Press and hold the main power button for a few seconds to turn the unit on or off. The digital display will light up.
- Using AC Output: Press the AC power button to activate the AC outlets. Plug your devices into the AC ports. Ensure the total wattage of your devices does not exceed the power station's maximum output (300W or 600W).
- Using DC Output: Press the DC power button to activate the DC ports and car outlet. Plug in your 12V DC devices.
- Using USB Output: The USB-A and USB-C ports are typically active when the unit is on. Simply plug in your USB-powered devices.
- Using the LED Flashlight: Press the flashlight button to cycle through steady light, strobe, and SOS modes. Press again to turn off.
The power station is suitable for various applications, including:

Figure 6.1: Versatile applications including outdoor camping, emergency backup, RV travel, and CPAP machine power.

Figure 6.2: The super bright LED light provides illumination for outdoor activities.
7. Maintenance and Storage
Proper maintenance and storage will extend the lifespan of your power station:
- Cleaning: Use a dry, soft cloth to wipe the surface of the unit. Do not use abrasive cleaners or solvents.
- Storage: Store the unit in a cool, dry place, away from direct sunlight and extreme temperatures.
- Long-Term Storage: If storing for extended periods, charge the unit to approximately 50-80% every 3-6 months to maintain battery health.
- Avoid Over-Discharging: Do not allow the battery to completely drain for prolonged periods, as this can reduce battery life.
8. Troubleshooting
If you encounter issues with your SinKeu Portable Power Station, refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Unit does not power on. | Battery is completely drained; Power button not held long enough. | Charge the unit; Press and hold the power button for 3-5 seconds. |
| AC output not working. | AC output not activated; Device wattage exceeds limit; Overload protection triggered. | Press the AC button; Check device wattage; Disconnect device, restart unit. |
| Unit not charging. | Charging cable/adapter faulty; Input source issue; Over-temperature protection. | Check cable/adapter; Verify wall outlet/solar panel/car source; Allow unit to cool down. |
| USB ports not charging. | Unit not powered on; Device not compatible. | Ensure unit is on; Try a different USB device or port. |
If the problem persists after trying these solutions, please contact SinKeu customer service for further assistance.
9. Specifications
| Feature | 300W Model | 600W Model |
|---|---|---|
| Battery Capacity | 260Wh Lithium Battery | 296Wh Lithium Battery |
| AC Output | 110V, 60Hz, 300W Max (Pure Sine Wave) | 110V, 60Hz, 600W Max (Pure Sine Wave) |
| DC Output | 2 x 12V/8A Max Regulated DC Ports | |
| USB-C Output | 2 x 18W Max (5V/3A, 9V/2A, 12V/1.5A) | |
| USB-A Output | 1 x QC3.0 (18W Max), 1 x 5V/2.4A | |
| Car Outlet | 1 x 12V/8A Max | |
| Charging Input | AC Wall, Solar Panel (12-24V), Car Port | |
| Special Features | Portable, Flashlight (Steady, Strobe, SOS), BMS Protection | |
Note: Specifications are subject to change without notice.
10. Warranty and Support
SinKeu offers a 12-month warranty for the Portable Power Station Set from the date of purchase. This warranty covers manufacturing defects and workmanship.
For warranty claims, technical support, or any questions regarding your product, please contact SinKeu customer service. Our team is available 7 days a week, 24 hours a day to provide prompt and friendly assistance.
Please have your purchase receipt and product model information ready when contacting support.
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