Introduction
This manual provides essential information for the safe and effective use of your Energizer A23 12V Alkaline Batteries. Please read these instructions carefully before use and retain them for future reference. These batteries are designed to provide reliable power for a variety of small electronic devices.
Product Overview

Image: A pack of four Energizer A23 12V alkaline batteries. Each battery is silver with a black top, featuring the Energizer logo and "A23 ALKALINE BATTERY" text.
The Energizer A23 battery is a compact 12-volt alkaline battery, commonly used in small electronic devices that require a higher voltage than standard AA or AAA batteries. Its small size makes it suitable for devices such as remote controls, car key fobs, garage door openers, and other specialized electronics.
Setup and Installation
- Identify Battery Compartment: Locate the battery compartment on your electronic device. This is typically found on the back or bottom of the device and may require a small screwdriver to open.
- Remove Old Batteries (if applicable): If replacing existing batteries, carefully remove them. Note the orientation of the positive (+) and negative (-) terminals.
- Insert New Batteries: Insert the Energizer A23 battery into the compartment, ensuring the positive (+) and negative (-) terminals align correctly with the markings inside the device. The positive end of the battery usually has a raised button.
- Close Compartment: Securely close the battery compartment cover.
- Test Device: Test your device to ensure the batteries are installed correctly and the device is functioning as expected.
Note: Always refer to your device's specific instruction manual for detailed battery installation procedures.
Operating Instructions
Energizer A23 batteries are designed for single-use applications and are not rechargeable. Once installed, they will provide consistent 12-volt power until depleted. The lifespan of the battery will vary depending on the power requirements of the device and frequency of use.
- Ensure batteries are inserted with correct polarity (+/-).
- Replace all batteries in a device at the same time to avoid performance issues.
- Do not mix old and new batteries, or different types of batteries.
Maintenance
Proper maintenance ensures optimal performance and safety of your batteries.
- Storage: Store unused batteries in their original packaging in a cool, dry place at room temperature. Avoid extreme temperatures and direct sunlight.
- Cleaning: If battery terminals become dirty, clean them with a dry cloth before installation.
- Disposal: Dispose of used batteries according to local regulations. Do not dispose of batteries in household waste or by incineration.
- Leakage: If a battery leaks, avoid contact with skin and eyes. If contact occurs, rinse immediately with water and seek medical attention.
Troubleshooting
If your device is not functioning after installing new batteries:
- Check Polarity: Verify that the batteries are inserted with the correct positive (+) and negative (-) orientation.
- Battery Condition: Ensure the batteries are new and not depleted.
- Device Compatibility: Confirm that your device is designed to use A23 12V batteries.
- Device Malfunction: If batteries are correctly installed and new, the issue may lie with the device itself. Refer to your device's manual or contact its manufacturer.
Specifications
| Battery Type | A23 Alkaline Battery |
| Voltage | 12 Volts |
| Chemistry | Alkaline Manganese Dioxide |
| Equivalent to | 21/23, 23A, 23Ga, MN21, GP23AE |
| Dimensions | Approximately 5.91 x 2.36 x 0.39 inches (package) |
| Item Weight | Approximately 0.317 ounces (per battery) |
| Manufacturer | Energizer |
| Model Number | BAT007 x 4 |
Safety Information
- KEEP OUT OF REACH OF CHILDREN: Swallowing batteries can be fatal. If swallowed, seek immediate medical attention.
- Do not recharge, disassemble, heat, or dispose of in fire.
- Do not short-circuit the battery terminals.
- Do not expose batteries to water or extreme temperatures.
- Remove depleted batteries promptly from devices.
- Always use the correct size and type of battery specified by the device manufacturer.
Warranty and Support
Energizer batteries are manufactured to high-quality standards. For product support or warranty information, please visit the official Energizer website or contact their customer service. Please retain your purchase receipt for any warranty claims.





