EMSON Bullseye 1500 MAH Spare Battery Pack
EMSON Bullseye 1500 MAH Spare Battery Pack
User Manual for Bullseye Pro Digital Tire Inflator 9745
1. Introduction
Thank you for purchasing the EMSON Bullseye 1500 MAH Spare Battery Pack. This battery pack is designed to provide extended power and reliable performance for your Bullseye Pro Digital Tire Inflator model 9745. It serves as an essential backup power source, ensuring your tire inflator is always ready for use when you need it most.
Please read this manual thoroughly before using the battery pack to ensure proper installation, charging, and maintenance, which will help prolong its lifespan and ensure safe operation.
2. Safety Information
To prevent damage to the battery pack or personal injury, please observe the following safety precautions:
- Do not disassemble, open, or shred the battery pack.
- Do not expose the battery pack to heat or fire. Avoid storage in direct sunlight.
- Do not short-circuit the battery pack. Do not store battery packs haphazardly in a box or drawer where they may short-circuit each other or be short-circuited by conductive materials.
- Do not subject the battery pack to mechanical shock.
- In the event of a battery leaking, do not allow the liquid to come into contact with the skin or eyes. If contact has been made, wash the affected area with copious amounts of water and seek medical advice.
- Keep the battery pack clean and dry.
- Do not use any charger other than that specifically provided for use with the equipment.
- Do not leave a battery on prolonged charge when not in use.
- Dispose of the battery pack properly according to local regulations. Do not dispose of with household waste.
- Keep out of reach of children.
3. Product Overview
The EMSON Bullseye Spare Battery Pack is a compact and lightweight power source designed for seamless integration with your Bullseye Pro Digital Tire Inflator 9745. It features a 1500mAh capacity and convenient USB charging.

Image 3.1: The EMSON Bullseye 1500 MAH Spare Battery Pack shown alongside its accompanying USB charging cable. The battery pack is black with a textured surface, designed to fit securely into the Bullseye Pro Digital Tire Inflator. The USB cable has a standard USB-A connector on one end and a micro-USB connector on the other, used for charging the battery pack.
4. Setup and Installation
The spare battery pack is designed for easy and quick installation into your Bullseye Pro Digital Tire Inflator 9745.
- Locate Battery Compartment: Identify the battery compartment on your Bullseye Pro Digital Tire Inflator 9745. Refer to your inflator's manual if you are unsure of its location.
- Remove Existing Battery (if applicable): If there is an existing battery, carefully remove it by following the instructions in your inflator's manual.
- Insert Spare Battery Pack: Align the EMSON Bullseye Spare Battery Pack with the battery compartment. Ensure the contacts on the battery pack align correctly with the contacts inside the inflator.
- Secure Battery: Gently push the battery pack into place until it clicks or is firmly seated. Ensure it is secure and does not wobble.
- Close Compartment: Close the battery compartment cover, if applicable, ensuring it is latched securely.
Your Bullseye Pro Digital Tire Inflator 9745 is now ready to be powered by the new spare battery pack.
5. Charging the Battery Pack
The EMSON Bullseye Spare Battery Pack features convenient USB charging. It is recommended to fully charge the battery before its first use and whenever the power level is low.
- Connect USB Cable: Insert the micro-USB end of the provided charging cable into the charging port on the battery pack.
- Connect to Power Source: Insert the standard USB-A end of the cable into a compatible USB power source (e.g., a USB wall adapter, computer USB port, or power bank).
- Monitor Charging Indicator: The battery pack or the inflator (when the battery is installed) may have an indicator light to show charging status. Refer to your inflator's manual for specific charging indicators. Typically, a solid light indicates charging, and the light turning off or changing color indicates a full charge.
- Disconnect When Charged: Once fully charged, disconnect the USB cable from both the battery pack and the power source.
Charging time may vary depending on the power source and the battery's current charge level.
6. Operation
The EMSON Bullseye Spare Battery Pack provides power to your Bullseye Pro Digital Tire Inflator 9745. Once installed and charged, the inflator will draw power from the battery pack to perform its functions.
For detailed instructions on operating the Bullseye Pro Digital Tire Inflator 9745, including inflation procedures, pressure settings, and accessory usage, please refer to the dedicated user manual provided with your tire inflator.
7. Maintenance and Storage
Proper care and storage will extend the life of your battery pack:
- Cleaning: Wipe the battery pack with a soft, dry cloth to remove dust or dirt. Do not use harsh chemicals or abrasive cleaners.
- Storage: Store the battery pack in a cool, dry place away from direct sunlight, extreme temperatures, and humidity.
- Long-Term Storage: If storing for an extended period, it is advisable to charge the battery pack to approximately 50% capacity every 3-6 months to prevent deep discharge, which can reduce battery life.
- Avoid Overcharging/Over-discharging: While the battery has built-in protection, avoid leaving it on charge indefinitely after it's full or completely draining it before recharging.
8. Troubleshooting
If you encounter issues with your EMSON Bullseye Spare Battery Pack, refer to the table below for common problems and solutions:
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging. |
|
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| Inflator not powering on with battery. |
|
|
| Reduced operating time. |
|
|
9. Specifications
| Feature | Detail |
|---|---|
| Brand | EMSON |
| Model Compatibility | Bullseye Pro Digital Tire Inflator 9745 |
| Battery Capacity | 1500 mAh (Milliamp Hours) |
| Charging Method | USB Charging |
| Item Weight | 11.3 ounces (approx. 320 grams) |
| Package Dimensions | 5.31 x 3.58 x 2.91 inches (approx. 13.5 x 9.1 x 7.4 cm) |
10. Warranty Information
Specific warranty details for the EMSON Bullseye 1500 MAH Spare Battery Pack may vary. Please refer to the warranty card included with your purchase or visit the official EMSON website for the most up-to-date warranty policy.
Typically, warranties cover defects in materials and workmanship under normal use. Damage resulting from misuse, accident, or unauthorized modification is usually not covered.
11. Customer Support
For technical assistance, troubleshooting not covered in this manual, or warranty inquiries, please contact EMSON customer support.
Please refer to the official EMSON website or the product packaging for the most accurate and up-to-date contact information.
When contacting support, please have your product model (Bullseye Pro Digital Tire Inflator 9745) and the ASIN (B0CWBZ45WQ) of the battery pack ready.
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