Introduction
This manual provides essential instructions for the safe and effective use of your HASAKEE 3.7V Rechargeable Battery and USB Charger, specifically designed for the Q11 Drone. Please read this manual thoroughly before use to ensure proper operation and to maximize the lifespan of your product.
Safety Instructions
- Do not disassemble or modify the battery or charger.
- Avoid short-circuiting the battery terminals.
- Do not expose the battery to water, fire, or extreme temperatures.
- Use only the provided USB charger for this battery. Using incompatible chargers may cause damage or fire.
- Keep out of reach of children.
- Unplug the charger from the power source when not in use or when charging is complete.
- Do not charge unattended.
- If the battery appears damaged, swollen, or leaks, discontinue use immediately and dispose of it properly.
Package Contents
Verify that all items are present in your package:
- 1 x 3.7V Rechargeable Battery
- 1 x USB Charger

Image: The HASAKEE 3.7V rechargeable battery and its accompanying USB charger. The battery is a small, rectangular black unit, and the charger is a compact black USB cable with a charging port.
Setup
1. Charging the Battery
- Connect the USB charger to a standard USB power source (e.g., computer USB port, USB wall adapter, power bank).
- Connect the 3.7V rechargeable battery to the charging port on the USB charger. Ensure the connection is secure.
- The indicator light on the USB charger will illuminate (typically red) to indicate that charging is in progress.
- Once the battery is fully charged, the indicator light will change color (typically turn off or turn green). Disconnect the battery from the charger and unplug the charger from the power source. Charging time is approximately 30-60 minutes.
2. Installing the Battery into the Q11 Drone
- Ensure the Q11 Drone is powered off.
- Locate the battery compartment on the drone (refer to your Q11 Drone's specific user manual for exact location).
- Carefully insert the charged 3.7V battery into the compartment, ensuring the connectors align correctly.
- Close the battery compartment securely.
Operating
Once the battery is charged and installed, you can power on your Q11 Drone according to its operational instructions. The battery provides power for flight and drone functions.
- Flight Duration: Battery life will vary depending on drone usage, flight conditions, and drone model. Typical flight times for this battery are approximately 10-15 minutes.
- Low Battery Warning: The Q11 Drone will typically provide a visual or audible warning when the battery is low. Land the drone immediately when this warning appears to prevent unexpected power loss.
Maintenance
Battery Care
- Storage: Store batteries in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to store batteries at approximately 50% charge.
- Disposal: Dispose of old or damaged batteries responsibly according to local regulations. Do not throw them in household waste.
- Avoid Over-Discharging: Do not completely drain the battery during use, as this can reduce its lifespan.
Charger Care
- Cleaning: Keep the charger's ports clean and free of dust or debris.
- Handling: Avoid bending or stressing the charger cable excessively.
Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. |
|
|
| Short flight time. |
|
|
| Charger indicator light not working. |
|
|
Specifications
- Battery Type: 3.7V Rechargeable
- Input Voltage (Charger): 3.7 Volts
- Output Voltage (Charger): 3.7 Volts
- Item Weight: Approximately 20 Grams (0.705 ounces)
- Color: Black
- Package Dimensions: 3.43 x 2.2 x 0.75 inches
- Manufacturer: HASAKEE
Warranty and Support
For warranty information or technical support, please contact HASAKEE customer service through the retailer where the product was purchased. Keep your purchase receipt as proof of purchase.
For further assistance, please refer to the official HASAKEE website or contact their support channels.




