Introduction
This manual provides essential instructions for the safe and effective use, installation, and maintenance of your Jiawu 2000mAh Lithium Polymer Replacement Battery. This battery is specifically designed for compatibility with P11 and Ultenic U11 cordless handheld vacuum cleaners. Please read this manual thoroughly before installation and retain it for future reference.
Safety Information
Your safety is paramount. Observe the following precautions:
- Do not disassemble, puncture, or modify the battery.
- Avoid exposing the battery to extreme temperatures (above 60°C/140°F or below -10°C/14°F), direct sunlight, or fire.
- Do not immerse the battery in water or other liquids.
- Keep the battery away from children and pets.
- Use only the original charger or a compatible charger specified by the vacuum cleaner manufacturer.
- If the battery shows signs of damage, swelling, or leakage, discontinue use immediately and dispose of it properly.
- This battery is equipped with multiple security mechanisms including overcharge, over-discharge, and short circuit protection to ensure safe operation.
Product Overview
The Jiawu 2000mAh Lithium Polymer Replacement Battery is engineered to provide stable power output and extend the operational time of your compatible handheld vacuum cleaner. Its lightweight design contributes to an enhanced handling experience during extended use.

Image 1: Front view of the Jiawu 2000mAh Lithium Polymer Replacement Battery.

Image 2: Side view of the Jiawu replacement battery, highlighting its compact form factor.
Setup and Installation
This battery is designed for easy installation without the need for professional tools. Always ensure the vacuum cleaner is powered off and unplugged from its charger before beginning the installation process.
- Power Off: Ensure your P11 or Ultenic U11 handheld vacuum cleaner is completely turned off and disconnected from any power source.
- Locate Battery Compartment: Identify the battery compartment on your vacuum cleaner. Refer to your vacuum cleaner's original manual if you are unsure of its location.
- Remove Old Battery: Depending on your vacuum model, you may need to press a release button or unlatch a cover to remove the existing battery. Carefully slide out the old battery.
- Insert New Battery: Align the Jiawu replacement battery with the battery slot. Gently slide the new battery into place until it clicks securely. Ensure it is fully seated.
- Secure Compartment: Close and secure the battery compartment cover, if applicable.
- Initial Charge: It is recommended to fully charge the new battery before its first use.

Image 3: Close-up view of the battery's connection points, ensuring proper alignment during installation.
Operating Instructions
Once the battery is installed and fully charged, your vacuum cleaner is ready for use. The 2000mAh capacity ensures prolonged vacuuming performance.
- Charging: Connect your vacuum cleaner to its original charging dock or power adapter. The charging indicator on your vacuum will typically show the charging status.
- Usage: Operate your vacuum cleaner as per its original manufacturer's instructions. The new battery will provide stable power for effective suction.
- Battery Life: The lithium polymer battery offers a longer lifespan and can be recharged multiple times.

Image 4: A person using a handheld vacuum cleaner, demonstrating the product's application.
Maintenance
Proper maintenance will extend the life of your replacement battery:
- Storage: If storing the battery for an extended period, ensure it is charged to approximately 50-60% and stored in a cool, dry place. Avoid storing fully charged or fully depleted.
- Cleaning: Keep the battery contacts clean and free from dust or debris. Use a dry cloth to wipe them if necessary.
- Temperature: Avoid operating or charging the battery in extremely hot or cold environments.
- Disposal: Dispose of old or damaged batteries responsibly according to local regulations for lithium-ion batteries. Do not dispose of them in household waste.
Troubleshooting
If you encounter issues with your replacement battery, consider the following:
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging | Improper installation, faulty charger, dirty contacts, or battery fault. |
|
| Short operating time | Battery not fully charged, or battery degradation over time. |
|
| Vacuum not powering on | Battery not installed correctly, battery completely depleted, or vacuum fault. |
|
Specifications
| Feature | Detail |
|---|---|
| Item Type | Vacuum Cleaner Battery |
| Product Material | ABS, SUS |
| Battery Type | Lithium Polymer Battery |
| Capacity | 2000mAh |
| Energy | 57.6Wh |
| Compatibility | P11 and Ultenic U11 Handheld Vacuum Cleaners |
| Product Dimensions (L x W x H) | 5.91 x 4.72 x 2.76 inches |
| Item Weight | 1.34 pounds (Approx. 610g) |
| Manufacturer | Jiawu |
| Model Number | Jiawu4dz89oiebw |
Warranty and Support
For warranty information or technical support regarding your Jiawu replacement battery, please refer to the purchase platform or contact the seller directly. Keep your purchase receipt as proof of purchase.
For issues related to your P11 or Ultenic U11 vacuum cleaner itself, please consult the vacuum cleaner's original manufacturer's support channels.