1. Introduction
This manual provides essential instructions for the safe and efficient use of your Skross SOS Battery Travel Back-up USB Battery/Charger. This portable power source is designed to charge USB devices such as smartphones, MP3 players, and e-readers when a mains power supply is unavailable. Please read this manual thoroughly before first use and retain it for future reference.
2. Important Safety Instructions
- Do not expose the device to moisture, extreme temperatures, or direct sunlight.
- Do not attempt to disassemble, repair, or modify the device. This will void the warranty and may cause damage or injury.
- Keep out of reach of children.
- Use only with compatible USB charging cables.
- Dispose of the battery responsibly according to local regulations.
- Avoid dropping or subjecting the device to strong impacts.
3. Package Contents
Verify that your package contains the following items:
- Skross SOS Battery Travel Back-up USB Battery/Charger
- Instruction Manual (this document)

Figure 3.1: Skross SOS Battery in its retail packaging, showing the product and branding.
4. Product Overview
The Skross SOS Battery is a compact and portable USB power bank.

Figure 4.1: Front view of the Skross SOS Battery, highlighting the USB output port and activation button.

Figure 4.2: Back view of the Skross SOS Battery, displaying model information, input/output specifications, and certifications.
Key Components:
- USB Output Port: For connecting your device's charging cable.
- USB Input Plug: Integrated plug for charging the SOS Battery itself.
- Activation Button: To initiate charging or check battery status (if applicable, not explicitly mentioned but common for power banks).
- LED Indicator: (Assumed, common for power banks) To show charging status or battery level.
5. Setup and Initial Charging
The Skross SOS Battery comes pre-charged and ready for use. However, it is recommended to fully charge the device before its first use to ensure optimal performance.
Charging the SOS Battery:
- Locate the integrated USB input plug on the SOS Battery.
- Plug the SOS Battery directly into any standard USB charger (e.g., a wall adapter, computer USB port, or the Skross World Adapter MUV USB).
- The LED indicator (if present) will illuminate or flash to indicate charging.
- Once fully charged, the LED indicator will change (e.g., turn solid or off). Disconnect the SOS Battery from the power source.

Figure 5.1: The Skross SOS Battery with its integrated USB plug extended, ready for charging.
6. Operating Instructions
Charging Your Device:
- Ensure your Skross SOS Battery is sufficiently charged.
- Connect your device's USB charging cable to the USB output port on the SOS Battery.
- Connect the other end of the cable to your smartphone, MP3 player, or other compatible USB device.
- Press the activation button on the SOS Battery (if present) to begin charging your device.
- Your device should indicate that it is charging.
- Once your device is charged, or the SOS Battery is depleted, disconnect the cables.

Figure 6.1: The Skross SOS Battery with a USB cable connected to its output port, ready to charge an external device.
7. Maintenance and Care
- Clean the device with a soft, dry cloth. Do not use liquid cleaners or aerosols.
- Store the device in a cool, dry place away from direct sunlight and extreme temperatures.
- If not used for extended periods, charge the SOS Battery at least once every three months to maintain battery health.
8. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Device not charging from SOS Battery. | SOS Battery is depleted. Cable is faulty. Device is incompatible. SOS Battery not activated. | Recharge the SOS Battery. Try a different USB cable. Ensure your device is USB-compatible. Press the activation button on the SOS Battery. |
| SOS Battery not charging. | USB power source is faulty. USB plug not fully inserted. | Try a different USB charger or port. Ensure the USB plug is securely inserted. |
| Slow charging. | Cable quality. Device input current limit. | Use a high-quality USB cable. Charging speed depends on the device's input current capability. |
9. Specifications
- Model: 1.302160
- Battery Type: LiPo (Lithium-Polymer)
- Battery Capacity: 1200mAh / 3.7V
- Input: 5V / 2100mA max.
- Output: 5V / 1000mA max.
- Product Dimensions: 1.18 x 1.57 x 1.97 inches (approx.)
- Item Weight: 1.45 ounces (approx.)
- Special Features: Portable, Travel-friendly
- Designed in: Switzerland
- Manufactured in: China
10. Warranty and Support
For warranty information and customer support, please refer to the documentation provided with your purchase or visit the official SKROSS website.