1. Introduction and Safety Information
Thank you for purchasing the SLuB SK20 80000mAh Mobile Power Bank. This device is designed to provide reliable portable power for your electronic devices. Please read this manual carefully before use to ensure safe and optimal performance.
Important Safety Instructions
- Do not expose the power bank to extreme temperatures (above 60°C/140°F or below 0°C/32°F), direct sunlight, or fire.
- Avoid dropping, disassembling, or attempting to repair the device yourself. This may cause damage or injury.
- Keep the power bank away from water, moisture, and corrosive materials.
- Use only certified charging cables and adapters.
- Keep out of reach of children.
- Dispose of the power bank according to local regulations. Do not dispose of it with household waste.
The SLuB SK20 is equipped with multiple protection systems, including overcharge, over-discharge, overheating, and short-circuit protection, to ensure safe operation.
2. Package Contents
Verify that all items are present in your package:
- SLuB SK20 Mobile Power Bank
- USB Data Cable (Type-C)
- User Manual

3. Product Features
- 80000mAh High Capacity: Provides multiple full charges for most smartphones and tablets, ideal for extended use or emergencies.
- Simultaneous 3-Device Charging: Equipped with multiple output ports to charge up to three devices concurrently.
- 22.5W Fast Charging: Supports rapid charging for compatible devices, significantly reducing charging time.
- Clear LCD Display: An easy-to-read digital screen shows the remaining battery percentage at a glance.
- Integrated LED Light: A high-brightness LED light provides illumination for dark environments, useful for outdoor activities or emergencies.
- Multiple Safety Protections: Built-in safeguards against overcharge, over-discharge, overheating, and short circuits.


4. Setup
Initial Charging of the Power Bank
Before first use, fully charge your SLuB SK20 Mobile Power Bank. This ensures optimal battery performance and longevity.
- Connect the provided USB Type-C cable to the Type-C input port on the power bank.
- Connect the other end of the cable to a compatible USB wall adapter (not included). For fast charging, an 18W or higher PD/QC compatible adapter is recommended.
- The LCD display will show the charging progress. The power bank is fully charged when the display shows 100%.

5. Operating Instructions
Charging External Devices
The SLuB SK20 offers multiple output ports for charging various devices.
- Identify the appropriate charging cable for your device.
- Connect one end of the charging cable to your device.
- Connect the other end of the cable to one of the output ports on the power bank (USB-A or Type-C).
- The power bank will automatically begin charging your device. The LCD display will show the power bank's remaining battery level.


Using the LED Light
To activate the LED light, press and hold the power button for a few seconds. Repeat the action to turn it off.
Port Overview

The power bank features the following ports:
- Input Ports (for charging the power bank):
- Micro USB Input
- Lightning Input
- Type-C Input (also functions as an output)
- Output Ports (for charging devices):
- 22.5W USB Output (x2)
- Type-C Output (also functions as an input)
6. Maintenance
Proper maintenance ensures the longevity and performance of your power bank.
- Cleaning: Use a soft, dry cloth to clean the exterior of the power bank. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the power bank in a cool, dry place away from direct sunlight and extreme temperatures. If storing for extended periods, charge the power bank to about 50-70% every 3 months to maintain battery health.
- Avoid Over-Discharge: Do not allow the power bank to completely drain its battery frequently, as this can reduce its lifespan.
7. Troubleshooting
If you encounter issues with your SLuB SK20 Mobile Power Bank, refer to the following common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Power bank not charging | Cable or adapter issue; power bank fully charged; faulty port. | Check cable and adapter connections. Try a different cable or adapter. Ensure the power bank is not already at 100%. Try a different input port. |
| Device not charging from power bank | Power bank is empty; cable issue; device issue; incompatible device. | Recharge the power bank. Try a different charging cable. Ensure your device is functioning correctly. Verify device compatibility. |
| Slow charging | Non-fast charging cable/adapter; device not supporting fast charge; multiple devices charging. | Use a fast-charging compatible cable and adapter. Ensure your device supports fast charging. Charging multiple devices simultaneously may reduce individual charging speeds. |
| LED light not working | Not activated correctly; malfunction. | Press and hold the power button for a few seconds to activate. If it still doesn't work, contact customer support. |
If the problem persists after trying these solutions, please contact SLuB customer service for further assistance.
8. Specifications
| Feature | Detail |
|---|---|
| Model Number | SK20 |
| Battery Capacity | 80000mAh |
| Input (Type-C) | 22.5W (Max) |
| Output (Type-C) | 22.5W (Max) |
| Output (USB-A) | 22.5W (Max) |
| Special Features | LED Indicator Light, Digital Display, LED Flashlight |
| Color | Blue |
| Product Dimensions | 14.5 cm (Length) x 8.5 cm (Width) x 8.5 cm (Thickness) |
| Compatible Devices | Smartphones, Tablets, Smartwatches, Headphones |
9. Warranty and Support
SLuB provides customer support for its products. In case of initial defects upon product arrival or shipping errors, we offer prompt exchange services.
If you have any questions, concerns, or require assistance with your SLuB SK20 Mobile Power Bank, please do not hesitate to contact our customer service team. Please refer to the contact information provided on the product packaging or the official SLuB website.





