Introduction
Product Overview
This manual provides essential information for the safe and efficient operation of your Blackweb 10x Portable Battery. Please read this manual thoroughly before using the device and retain it for future reference.
The Blackweb 10x Portable Battery is a high-capacity power bank designed to charge various USB-powered devices, including smartphones, tablets, and other accessories. It features a sleek and thin design for portability and convenience.

Image: Front view of the Blackweb 10x Portable Battery, showcasing its black, textured finish and the 'blackweb' logo at the bottom.

Image: Packaging detail showing the portable battery's charging capabilities for various devices (e.g., iPhone 6S, iPhone 7 Plus, Galaxy S6, iPad Air) and input/output specifications.
Key Features
- 20,000 mAh capacity for multiple device charges.
- Sleek and thin design for enhanced portability.
- Compatible with USB-charged devices including smartphones and tablets.
- Includes Micro-USB charging cable.
Safety Information
To ensure safe operation and prevent damage, please observe the following precautions:
- Do not expose the battery to extreme temperatures, direct sunlight, or fire.
- Do not immerse the battery in water or other liquids.
- Avoid dropping or subjecting the battery to strong impacts.
- Do not attempt to disassemble, repair, or modify the battery.
- Keep out of reach of children.
- Use only approved charging cables and adapters.
- Dispose of the battery responsibly according to local regulations.
Setup
Initial Charging of the Portable Battery
- Connect the included Micro-USB cable to the input port of the portable battery.
- Connect the other end of the Micro-USB cable to a USB power source (e.g., wall adapter, computer USB port).
- Allow the battery to fully charge before first use. Charging indicators (LEDs) will typically show progress and full charge status. Refer to the device's LED indicator section for details (if applicable).
Operating Instructions
Charging Your Devices
- Connect your device's charging cable (e.g., USB-C, Lightning, Micro-USB) to one of the output ports on the portable battery.
- Connect the other end of the cable to your device.
- The portable battery should automatically begin charging your device. If not, press the power button on the portable battery (if available) to initiate charging.
- Monitor your device's charging indicator to confirm charging is in progress.
- Disconnect your device once it is fully charged or when you no longer need to charge it.
Recharging the Portable Battery
When the portable battery's charge level is low, recharge it using the steps outlined in the "Initial Charging of the Portable Battery" section.
Maintenance
- Keep the portable battery clean by wiping it with a soft, dry cloth.
- Do not use abrasive cleaners or solvents.
- Store the battery in a cool, dry place away from direct sunlight and extreme temperatures.
- If storing for extended periods, it is recommended to charge the battery to approximately 50% every 3-6 months to maintain battery health.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Portable battery not charging. | Cable not connected properly; Faulty cable/adapter; Power source issue. | Ensure all connections are secure. Try a different cable or power adapter. Test with a different USB power source. |
| Device not charging from portable battery. | Portable battery is depleted; Incorrect cable; Device not compatible; Battery needs activation. | Recharge the portable battery. Use the correct charging cable for your device. Ensure your device is USB-compatible. Press the power button on the portable battery to activate output (if applicable). |
| Slow charging. | Using a low-power adapter; Cable resistance; Device drawing high current. | Use a higher output USB wall adapter (e.g., 2A or higher). Ensure the cable is in good condition. |
Specifications
- Model: BWA19WI107
- Brand: Blackweb
- Manufacturer: ONN
- Battery Capacity: 20,000 mAh
- Battery Cell Composition: Lithium Ion
- Input: DC 5V, 2000mA
- Output 1: DC 5V 2.4A
- Output 2: DC 5V 2.4A
- Total Output: DC 5V 2.4A
- Voltage: 5 Volts
- Dimensions: 24.13 x 9.65 x 2.54 cm (9.5 x 3.8 x 1 inches)
- Weight: 0.28 g
Warranty and Support
For warranty information or technical support, please refer to the product packaging or contact Blackweb customer service. Contact details may be available on the official Blackweb website or through your retailer.
