Onlybatteries.com - A23 / A27 Batteries

Home
Batteries
Size
A23 / A27

Quick view View Details

Rayovac A23 12 Volt Alkaline Batteries (2 Card)

SKU: 23718

MSRP:

Sale: $4.69

As low as:

View Details
Quick view View Details

A23 Energizer 12 Volt Alkaline Battery

SKU: 19778

MSRP:

Sale: $4.99

As low as:

View Details
Quick view View Details

Energizer A27 12 Volt Alkaline Battery (27A)

SKU: 19564

MSRP:

Sale: $4.99

As low as:

View Details
Quick view View Details

6-Pack A23 Energizer 12 Volt Alkaline Batteries

SKU: 23394

MSRP:

Sale: $23.99

As low as:

View Details
Quick view View Details

12-Pack Rayovac A23 12 Volt Alkaline Batteries (6 Cards of 2)

SKU: 26161

MSRP:

Sale: $24.99

As low as:

View Details
Quick view View Details

6-Pack Energizer A27 12 Volt Alkaline Batteries

SKU: 23421

MSRP:

Sale: $25.99

As low as:

View Details
Quick view View Details

12-Pack A23 Energizer 12 Volt Alkaline Batteries

SKU: 23395

MSRP:

Sale: $39.99

As low as:

View Details
Quick view View Details

12-Pack Energizer A27 12 Volt Alkaline Batteries

SKU: 23422

MSRP:

Sale: $44.99

As low as:

View Details
Quick view View Details

24-Pack Rayovac A23 12 Volt Alkaline Batteries (12 Cards of 2)

SKU: 26162

MSRP:

Sale: $45.99

As low as:

View Details
Quick view View Details

18-Pack A23 Energizer 12 Volt Alkaline Batteries

SKU: 25539

MSRP:

Sale: $57.99

As low as:

View Details

A23 / A27 Batteries

A23 and A27 batteries are compact, high-voltage Alkaline batteries frequently used in small electronic devices that require a reliable power source in a compact size. Commonly found in devices such as garage door openers, remote controls, wireless doorbells, and security systems, both A23 and A27 batteries are known for their stable 12-volt output and long shelf life. While they share similarities, there are differences in size and capacity between these two types, which affect their applications and suitability for certain devices.

Features of A23 and A27 Batteries

Both A23 and A27 batteries have distinct features that make them ideal for specific applications:

Alkaline Chemistry: Both batteries use Alkaline chemistry, which provides stable power output and a long shelf life, making them ideal for infrequently used devices.
High Voltage Output: With a nominal voltage of 12 volts, A23 and A27 batteries deliver the higher voltage often needed for wireless and remote devices.
Compact Size: Both batteries are compact, cylindrical button-style batteries, suitable for devices with limited space.
Excellent Shelf Life: The long shelf life of Alkaline batteries allows them to retain charge for extended periods, ensuring they’re ready to use when needed.
These characteristics make A23 and A27 batteries suitable for various low- to moderate-drain applications, especially those requiring compact, reliable, and high-voltage power sources.

Differences Between A23 and A27 Batteries

The primary differences between A23 and A27 batteries lie in their size and capacity, which influence their compatibility and performance in specific devices:

A23 Battery:
Also Known As: 23A, MN21.
Dimensions: 10.3 mm in diameter, 28.5 mm in length.
Voltage: 12 volts.
Applications: Common in garage door openers, wireless doorbells, and car alarm remotes.
A27 Battery:
Also Known As: 27A, MN27.
Dimensions: 8 mm in diameter, 28 mm in length.
Voltage: 12 volts.
Applications: Used in smaller remote controls, keyless entry systems, and some security system devices.
These differences mean that while both batteries provide similar voltage, the A23 battery is slightly larger and typically has a slightly higher capacity, making it suitable for devices that may require a bit more power.

Common Applications for A23 and A27 Batteries

The 12-volt output and compact size of A23 and A27 batteries make them ideal for a variety of small electronic devices, particularly in remote and wireless systems. Here are some of the most common applications for each:

A23 Battery Applications:
Garage Door Openers: A23 batteries are widely used in remote controls for garage door openers due to their reliable power and long shelf life.
Wireless Doorbells: Many wireless doorbell systems utilize A23 batteries to ensure consistent performance over time.
Car Alarm Remotes: The A23 battery provides the necessary high voltage to power car alarm remotes reliably.
Remote Controls for Home Automation: A23 batteries are also found in some remote controls used in home automation systems for controlling lights or other smart devices.
A27 Battery Applications:
Keyless Entry Systems: A27 batteries are used in keyless entry remotes, such as those for cars or electronic locks, due to their compact size and stable 12V output.
Security System Remotes: Small remotes used to activate or deactivate home security systems frequently use A27 batteries for their high voltage and compact form.
Compact Remote Controls: Smaller remote controls, especially those for specialized devices, often use A27 batteries, as their compact design fits these devices well.
The compact design and high voltage of both A23 and A27 batteries make them ideal for these types of applications, especially where space is limited and a stable power source is needed.

Benefits of Using A23 and A27 Batteries

Each battery type offers unique benefits that make it suitable for certain applications:

High Voltage in a Compact Size: Both A23 and A27 batteries deliver 12 volts in a compact package, providing the necessary power for small devices without taking up much space.
Long Shelf Life: Alkaline chemistry allows both A23 and A27 batteries to retain charge for long periods, making them ideal for emergency or infrequent-use devices.
Reliability in Wireless and Remote Devices: The stable 12-volt output of these batteries is essential for wireless devices like remotes, ensuring they work when needed without frequent battery replacement.
The combination of compactness, high voltage, and long shelf life makes A23 and A27 batteries a practical choice for devices that require compact and dependable power.

Key Considerations When Choosing Between A23 and A27 Batteries

When selecting the right battery, it’s essential to consider compatibility, capacity, and device requirements:

Device Compatibility: Check your device’s battery compartment size and specifications to ensure compatibility. Although both batteries provide 12 volts, the A23 battery is slightly larger in diameter than the A27, which can affect fit.
Battery Capacity: The A23 battery typically has a slightly higher capacity due to its larger size, which can be beneficial for devices with slightly higher power demands, such as garage door openers. However, the difference may be minimal in low-drain devices.
Application Requirements: For devices that require high-voltage output in a very compact size, such as keyless entry remotes, the A27 may be more suitable. For slightly larger devices like wireless doorbells or alarm remotes, the A23 may offer better performance.
Shelf Life: If the battery is for a device that may be stored for extended periods, both A23 and A27 batteries offer long shelf lives, making them suitable for emergency or backup purposes.

Popular A23 and A27 Battery Brands

Onlybatteries.com offers a variety of trusted brands for both A23 and A27 batteries, ensuring quality and reliability:

Duracell: Known for long-lasting performance, Duracell provides high-quality A23 and A27 batteries suitable for all applications.
Energizer: Energizer’s A23 and A27 batteries are popular for their extended shelf life and consistent output, making them a dependable choice for remote controls and security devices.

Choosing the Ideal A23 or A27 Battery

A23 and A27 batteries are versatile, high-voltage power sources for compact electronic devices, especially those used in remote control and security applications. Here’s a quick recap of the main points:

A23 Batteries: 12 volts, 10.3 mm diameter, and 28.5 mm length. Suitable for garage door openers, wireless doorbells, and car alarm remotes.
A27 Batteries: 12 volts, 8 mm diameter, and 28 mm length. Ideal for keyless entry systems, compact remote controls, and security system remotes.

By choosing the right battery type for your device, you can ensure reliable performance and long-lasting power. Whether you need dependable power for your garage door opener or a compact solution for your security remote, Onlybatteries.com offers a range of A23 and A27 battery options to meet your needs.

Monthly Promo Signup