1. Introduction
This manual provides essential information for the safe and effective use of your FLYLINKTECH replacement battery for Dyson V7 and SV11 series vacuum cleaners. Please read these instructions carefully before installation and operation. Proper use and maintenance will ensure optimal performance and longevity of your battery.
2. Compatibility
This replacement battery is designed for use with the following Dyson V7 series models:
- V7 Fluffy
- V7 Fluffy+
- V7 Absolute
- V7 Absolute Extra
- V7 Animalpro
- V7 Motorhead
- V7 Trigger
- V7 Car+Boat
- SV11 models
Note: This battery is not compatible with Dyson V6 series models (e.g., SV07).

3. Package Contents
The package includes the following items:
- 1 x Replacement Battery (5000mAh, 21.6V)
- 1 x Pre-Motor Filter
- 1 x Post-Motor Filter
- 1 x Cleaning Brush
- 1 x Screwdriver
- 3 x Replacement Screws
- 1 x User Manual (Japanese version)

4. Safety Information
Your FLYLINKTECH replacement battery is designed with multiple safety features to ensure reliable operation. It has obtained PSE certification in accordance with Japanese electrical appliance safety laws.
4.1. Built-in Protection Mechanisms
- Overcurrent Protection: Prevents damage from excessive current flow.
- Overcharge Protection: Stops charging once the battery is full to prevent overcharging.
- Over-discharge Protection: Prevents the battery from discharging too deeply, which can reduce its lifespan.
- Short-circuit Protection: Automatically cuts off power in case of a short circuit.
- High Temperature Protection: Monitors and regulates battery temperature during operation and charging.
- Overvoltage Protection: Safeguards against voltage spikes.

5. Setup: Battery Installation
Follow these steps to replace the battery in your Dyson V7 vacuum cleaner:
- Prepare the Vacuum Cleaner: Remove the dust bin by pulling the top latch to empty it. Ensure the vacuum is powered off and disconnected from any charging source.
- Remove Bottom Screws: Using the provided screwdriver, remove the two screws located on the bottom of the main body of the vacuum cleaner.
- Remove Handle Screw: Locate and remove the single screw near the handle of the vacuum cleaner.
- Remove Old Battery: Carefully detach the old battery from the vacuum cleaner.
- Install New Battery: Align the new FLYLINKTECH battery with the vacuum cleaner and secure it by reinserting the three screws in reverse order. Ensure the battery is firmly seated.

Important Note: To prolong battery life, avoid charging the battery immediately after it has completely run out. Allow the main unit to cool down slightly before initiating a charge cycle.
6. Operating: Charging Instructions
The battery can be charged using the original Dyson wall-mounted charging dock or a compatible charger.
6.1. Indicator Lights
The battery features an indicator light to show its status:
- Blue Light: Illuminates during charging and turns off when fully charged.
- Yellow/Red Light: Indicates a temporary error. If this occurs, please refer to the troubleshooting section or contact support.

7. Maintenance
Regular maintenance helps ensure the longevity and performance of your vacuum cleaner and battery.
7.1. Filter Replacement
The included pre-motor and post-motor filters should be replaced periodically to maintain optimal suction and air quality. Refer to your Dyson vacuum cleaner's original manual for specific filter replacement instructions.
7.2. General Care
- Keep the battery and vacuum cleaner clean and free from dust and debris.
- Store the battery in a cool, dry place when not in use.
- Avoid exposing the battery to extreme temperatures.
8. Troubleshooting
If you encounter issues with your battery, consider the following:
- Battery Not Charging: Ensure the charger is properly connected and the power outlet is functional. Check the indicator light for error signals.
- Reduced Run Time: This may indicate the battery needs to be fully charged or is nearing the end of its lifespan. Ensure the vacuum cleaner's filters are clean, as clogged filters can increase power consumption.
- Error Light (Yellow/Red): A yellow or red indicator light suggests a temporary error. Try disconnecting and reconnecting the battery, then attempt to charge or operate again. If the error persists, contact customer support.
- Vacuum Not Turning On: Verify the battery is securely installed. If the issue persists, the battery or vacuum cleaner may require further inspection.
9. Specifications
| Feature | Specification |
|---|---|
| Battery Type | Lithium-Ion |
| Battery Capacity | 5000 mAh |
| Voltage | 21.6 V |
| Number of Cells | 6 (implied by 21.6V for Li-ion) |
| Weight | Approximately 200 grams |
| Model Number | SV11 |
| Certification | PSE Certified |

10. Warranty and Support
10.1. Manufacturer's Warranty
This product comes with a 12-month manufacturer's warranty from the date of purchase. In the unlikely event of a defect or malfunction, please contact our customer support for prompt assistance, including exchanges or refunds.
10.2. Customer Support
For any questions or technical support, please refer to the contact information provided in your user manual or on the product page. Our after-sales technical support is available 24 hours a day.
Email: support@flylinktech.hk