1. Overview
This manual provides instructions for the 4Patriots USB-Rechargeable 9V Batteries. These lithium-polymer batteries are designed for repeated use, offering a sustainable and convenient power solution for devices typically powered by standard 9V batteries.

Figure 1: 4Patriots USB-Rechargeable 9V Batteries.
2. Product Features
The 4Patriots USB-Rechargeable 9V Batteries offer several key features:
- Rechargeable up to 500 Cycles: Each battery can be recharged approximately 500 times, reducing waste and long-term costs.
- 350 mAh Lithium-Polymer Battery: Provides reliable and consistent power output.
- USB Charging: Easily recharge using any standard USB port with the included charging cable.
- Long Charge Retention: Batteries can hold a charge for up to 12 months when stored properly.
- Versatile Use: Suitable for various devices that use standard 9V batteries, such as smoke alarms, walkie-talkies, and radios.
- Climate-Friendly: Reusability contributes to environmental sustainability by reducing disposable battery consumption.

Figure 2: Compact design of the 9V rechargeable battery.
3. Setup & Charging
3.1 Initial Charge
Before first use, it is recommended to fully charge your 4Patriots USB-Rechargeable 9V Batteries.
- Locate the micro-USB port on the side of each 9V battery.
- Connect the included charging cable to the micro-USB port on the battery.
- Plug the USB-A end of the charging cable into any standard USB power source (e.g., computer, wall adapter, power bank).
- The battery will begin charging. A full charge can take approximately 5 hours, depending on the power source.

Figure 3: Connecting the charging cable to the battery.

Figure 4: Batteries can be charged using various USB power sources, including car adapters.
3.2 Charging Indicators
Refer to the battery's indicator light (if present) for charging status. Typically, a red light indicates charging, and a green or blue light indicates a full charge.
3.3 Important Charging Notes
- The batteries may become slightly warm during charging; this is normal.
- Do not dispose of batteries in fire.
- Use only the provided charging cable or a compatible USB cable.
4. Operation
These 9V rechargeable batteries function identically to standard 9V batteries once charged.
- Ensure the battery is fully charged.
- Open the battery compartment of your device (e.g., smoke alarm, walkie-talkie, radio).
- Insert the 4Patriots USB-Rechargeable 9V Battery, ensuring correct polarity (+ and - terminals match).
- Close the battery compartment.
- Test your device to confirm proper function.

Figure 5: Installing the battery in a smoke detector.
Video 1: Demonstrates the charging and usage of the 4Patriots USB-Rechargeable 9V Battery Kit in various devices.
5. Maintenance
5.1 Storage
Store batteries in a cool, dry place away from direct sunlight and extreme temperatures. For long-term storage, it is recommended to top off the charge every 3-5 months to maintain optimal battery health. The included clamshell case can be used for safe storage.
5.2 Cleaning
Wipe the battery terminals and body with a clean, dry cloth if necessary. Do not use liquid cleaners or immerse the batteries in water.
5.3 Disposal
As lithium-polymer batteries, these should be recycled at designated battery recycling centers. Do not dispose of them in household waste.

Figure 6: Emphasizing the environmental benefit of rechargeable batteries.
6. Troubleshooting
| Problem | Possible Cause | Solution |
|---|---|---|
| Battery not charging |
|
|
| Device not powering on with charged battery |
|
|
7. Specifications
- Battery Type: Lithium Polymer
- Voltage: 9V
- Capacity: 350 mAh
- Recharge Cycles: Up to 500
- Charge Retention: Up to 12 months
- Charging Interface: Micro-USB
- Package Dimensions: 4.09 x 1.93 x 0.87 inches
- Item Weight: 2.89 ounces
- Manufacturer: Sorbo (for 4Patriots)
- Recommended Uses: Remote Control Vehicle, Smoke Alarms, Walkie-Talkies, Radios, etc.
8. Warranty & Support
For warranty information and customer support, please refer to the official 4Patriots website or contact their customer service directly. Details are typically provided with your purchase or can be found online.
Contact Information: Please visit www.4patriots.com for the most up-to-date support resources.