Energizer A23 Batteries
4.8Editor score
Long lasting reliable power
Zero mercury composition
Ideal for keyless entry
In this guide
Keeping your garage door opener running smoothly requires reliable power sources for remotes and backup systems. Choosing the right battery ensures consistent performance across varying temperatures and usage patterns without unexpected failures.
We evaluated ten top-rated options based on compatibility, lifespan, and brand reputation. Our analysis covers coin cells for remotes and sealed lead acid units for backup systems to cover all your power needs.
Each pick highlights specific strengths and ideal use cases for different garage door setups. Please note that availability and pricing may change over time so verify details before purchasing your next battery replacement.
Top 3 Picks for Best Garage Door Opener Batteries
Garage Door Opener Battery Replacement CR2032
4.7Editor score
Broad compatibility across brands
Two pack convenience
Consistent power delivery
CHAMBERLAIN / LiftMaster / Craftsman 4228
4.7Editor score
Prevents lock outs
Emergency lighting support
Original equipment quality
Top 10 Best Garage Door Opener Batteries in 2026 Compared
The following table provides a side-by-side comparison of all ten products to help you quickly identify the best fit for your specific garage door opener model and power requirements.
ProductsSpecificationsEditor scorePrice
Editor's Choice
Garage Door Opener Battery Replacement CR2032
Type: CR2032 Coin Cell
Pack: 2 Units
Compatibility: Major Brands
Use: Remotes and Sensors
4.7Editor score
Editor's Choice
Energizer A23 Batteries
Type: A23 Alkaline
Voltage: 12 Volt
Pack: 2 Units
Use: Keyless Entry Systems
4.8Editor score
Best Premium
CHAMBERLAIN / LiftMaster / Craftsman 4228
Type: Backup Battery
Capacity: 4.5 Ah
Voltage: 12 Volt
Use: Chamberlain Openers
4.7Editor score
Mighty Max Battery ML5-12
Type: Sealed Lead Acid
Capacity: 5 Amp Hours
Voltage: 12 Volt
Use: Backup Systems
4.7Editor score
Duracell 12 Volt Alkaline
Type: MN21 / A23
Voltage: 12 Volt
Pack: 2 Units
Use: Alarm Remotes
4.8Editor score
LiCB A23 23A 12V
Type: 23A Alkaline
Voltage: 12 Volt
Pack: 5 Units
Use: Door Openers
4.7Editor score
ExpertPower EXP1250
Type: Rechargeable SLA
Capacity: 5 Amp Hours
Voltage: 12 Volt
Use: UPS Backup
4.6Editor score
Energizer 5 X 2 A23
Type: 23A Alkaline
Voltage: 12 Volt
Pack: 10 Units
Use: Security Systems
4.7Editor score
Mighty Max Battery 12V 5AH
Type: Sealed Lead Acid
Capacity: 5 Amp Hours
Voltage: 12 Volt
Use: Standby Systems
4.7Editor score
Energizer A23 Battery
Type: A23 Alkaline
Voltage: 12 Volt
Pack: 4 Units
Use: Electronics Remotes
4.7Editor score
1. Garage Door Opener Battery Replacement CR2032 – Best Overall Garage Door Opener Batteries
Garage Door Opener Battery Replacement CR2032
Model: CR2032 Button Cell
Pack: Two Units Included
Fit: Multiple Brand Remotes
Life: Consistent Power Output
This two pack of CR2032 cells is designed for widespread use across major garage door brands. It holds a solid rating from users who need reliable power for remotes and sensors.
Pros
- Broad brand compatibility
- Convenient two pack size
- Works in all weather
- Direct replacement for remotes
- Reliable performance track record
Cons
- Not for backup systems
- Requires correct polarity check
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Its standout quality is broad compatibility with brands like Chamberlain and LiftMaster. The batteries deliver consistent power in both hot and cold conditions which is vital for outdoor mounted sensors.
While these are excellent for remotes they do not support larger backup systems. This limitation is acceptable because most users need small coin cells for handheld devices rather than large units.
Buy this if you need a direct replacement for standard remotes in multi-car homes. It provides a cost effective solution that ensures your garage door stays accessible at all times.
Universal Fit Across Major Brands
This battery works with Chamberlain Liftmaster and Craftsman remotes ensuring you do not need multiple battery types for different devices.
Reliable Power in Extreme Weather
Designed to function in hot and cold conditions it prevents failures during temperature swings that often drain standard batteries quickly.
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2. Energizer A23 Batteries – Best Value Garage Door Opener Batteries
Energizer A23 Batteries
Type: A23 Alkaline
Voltage: 12 Volt
Pack: Two Units
Brand: Energizer #1
Energizer brings its top brand reputation to this 12 volt miniature alkaline battery. It is a favorite for keyless entry systems due to its dependable discharge curve.
Pros
- Top brand reliability
- Zero mercury content
- Long lasting power
- Ideal for keyless entry
- Secure electronic gadgets
Cons
- Smaller pack size
- Specific voltage required
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Its key strength is longevity and environmental safety with zero mercury. This ensures your important devices like garage remotes remain operational for extended periods without frequent changes.
The pack includes only two units which may require repurchasing sooner than bulk options. This is a minor trade-off given the high quality and assurance of fresh cells.
Choose this if you prioritize brand trust and environmental safety in your home security components. It offers a reliable power source that performs well in electronic security devices.
Top Rated Specialty Brand
Energizer ensures dependability as the number one specialty brand of battery providing confidence in every cell you install.
Eco-Friendly Mercury Free Design
Containing zero mercury these batteries reduce environmental impact while maintaining high performance for your garage door opener remotes.
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3. CHAMBERLAIN / LiftMaster / Craftsman 4228 – Premium Garage Door Opener Batteries
CHAMBERLAIN / LiftMaster / Craftsman 4228
Type: Backup Battery Pack
Capacity: 4.5 Ah
Voltage: 12 Volt
Use: Emergency Lighting
This replacement battery is built for garage door openers with backup systems. It helps prevent lock outs during power failures and maintains emergency lighting capabilities.
Pros
- Prevents lock outs
- Original equipment quality
- Emergency lighting support
- Chamberlain specific fit
- Medium size capacity
Cons
- Packaging may vary
- Higher cost than generic
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Its primary strength is being the original equipment match for Chamberlain openers. This ensures optimal performance and prevents fit issues that generic batteries might cause in specific units.
It is more expensive than generic options but worth it for specific systems. The variation in packaging colors is a minor inconvenience compared to the assurance of correct fit.
Buy this if you own a Chamberlain opener that requires a battery backup feature. It ensures your system remains fully functional during outages and prevents access issues.
Critical Backup Functionality
Designed specifically to prevent lock outs this battery keeps your opener running during power failures when access is most critical.
Original Equipment Match
Using the original equipment battery ensures compatibility and performance that matches the manufacturer specifications for your unit.
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4. Mighty Max Battery ML5-12 – Durable Garage Door Opener Batteries
Mighty Max Battery ML5-12
Type: SLA Rechargeable
Capacity: 5 Amp Hours
Terminal: F1 Type
Warranty: One Year
This sealed lead acid battery provides a rechargeable solution for garage door backup systems. It features a robust design that resists shocks and vibration effectively.
Pros
- Maintenance free design
- Spill proof construction
- Mountable in any position
- Wide temperature range
- High discharge capability
Cons
- Wire harness not included
- Mounting accessories separate
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Key strengths include spill proof safety and deep discharge recovery. These traits ensure reliability and service life even in environments with temperature fluctuations or physical stress.
It does not include wire harnesses which means additional parts may be needed. This is acceptable for those who have tools and know how to install standard F1 terminals.
Select this if you need a durable replacement for existing backup systems. It offers reliable performance and safety features that are essential for long term stationary power.
Rechargeable and Safe Design
Being spill proof and maintenance free allows for easy installation and safe operation in tight spaces without leakage risks.
Robust Build Quality
Resists shocks and vibration for long lasting high performance in various temperatures and conditions.
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5. Duracell 12 Volt Alkaline – Trusted Garage Door Opener Batteries
Duracell 12 Volt Alkaline
Type: MN21 / A23
Voltage: 12 Volt
Pack: Two Units
Fit: Alarm Remotes
Duracell offers this 12 volt alkaline battery designed for alarm remotes and garage controls. It comes in a compact package that fits securely in small compartments.
Pros
- Trusted brand name
- Consistent 12 volt
- Small package size
- Ideal for alarms
- Secure connection
Cons
- Limited pack quantity
- Specific model fit
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Its strength lies in trusted brand reliability and consistent voltage output. This ensures your security devices function without voltage drops that could interrupt signals.
The package contains only two units which may need frequent replacement for heavy users. This is a minor trade-off for the assurance of quality and safety in security products.
Choose this for alarm remotes that require a 12 volt A23 battery. It provides the trusted performance needed to keep your home security systems active and alert.
Secure Power for Alarms
Designed specifically for alarm remotes this battery ensures secure connection and consistent power for security devices.
Trusted Brand Performance
Duracell delivers consistent voltage and performance that matches security requirements for reliable operation.
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6. LiCB A23 23A 12V – Bulk Garage Door Opener Batteries
LiCB A23 23A 12V
Type: 23A Alkaline
Voltage: 12 Volt
Pack: Five Units
Shelf: 3 Year Life
This five pack provides an economical choice for users with multiple garage door remotes. It offers certified grade A cells that ensure longer battery life and consistent power.
Pros
- Cost-effective bulk pack
- Fresh cells guaranteed
- Long shelf life
- Certified quality cells
- Multiple device support
Cons
- Value brand not major
- May vary by lot
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Its main strength is bulk availability and long shelf life. You get fresh 12 volt cells that are tested under strict quality control standards for reliability.
It is a value brand which might lack the marketing trust of top names. This is acceptable because the technical specs and shelf life ensure practical performance for remotes.
Buy this if you need a bulk supply for a multi-car home or office. It saves money and keeps you stocked for replacements without frequent trips to the store.
Bulk Value and Freshness
Get exact fresh 23A batteries with full 12 volts charge and a 3 year shelf life for future use.
Quality Certified Cells
Tested under strict quality control standards with CE and ROHS certification for safety and performance.
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7. ExpertPower EXP1250 – Reliable Garage Door Opener Batteries
ExpertPower EXP1250
Type: Rechargeable SLA
Capacity: 5 Amp Hours
Terminals: F1 Type
Tech: AGM Structure
This rechargeable UPS battery works well for garage door backups and alarm systems. It uses AGM technology to maintain steady output over long backup needs.
Pros
- Wide device compatibility
- AGM technology
- Easy valve regulated install
- Steady output
- Rugged construction
Cons
- Slightly heavier weight
- Requires charging setup
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Its key strength is rugged construction and wide compatibility across devices. The valve regulated design simplifies installation and maintenance for standard control panels.
It requires a charging setup which adds complexity compared to single use batteries. This is acceptable for systems that demand long term backup power without frequent changes.
Choose this for setups requiring a versatile rechargeable power source. It provides reliable standby support that fits many household and security device requirements.
AGM Technology for Output
AGM structure supports steady output for long backup needs across a broad temperature range.
Rugged Construction
Maintenance free and valve regulated construction allows simple one time setup for fast system activation.
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8. Energizer 5 X 2 A23 – High Quantity Garage Door Opener Batteries
Energizer 5 X 2 A23
Type: 23A Alkaline
Voltage: 12 Volt
Pack: Ten Units
Safety: Sealed Card
This bulk pack of ten Energizer 23A batteries is ideal for multiple devices. The cells are sealed in cards to prevent them from touching and draining prematurely.
Pros
- Top quality brand
- Sealed packaging prevents drain
- High quantity pack
- Broad device compatibility
- Super fresh cells
Cons
- Requires storage space
- Specific voltage needed
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Its primary strength is fresh high quality cells from a trusted brand. This ensures that every battery delivers maximum voltage and performance for your garage door remotes.
The pack is large and requires adequate storage space to keep the cards organized. This is a minor trade-off given the convenience of having many spares on hand.
Buy this if you have multiple garage doors or security systems requiring replacement. It keeps you stocked with fresh reliable batteries for all your electronic devices.
Sealed Fresh Packaging
Batteries are sealed in a card so they do not touch each other as they drain ensuring maximum freshness.
Top Quality Brand
Top quality Energizer brand batteries ensure dependable performance for garage door openers and security systems.
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9. Mighty Max Battery 12V 5AH – Compact Garage Door Opener Batteries
Mighty Max Battery 12V 5AH
Type: SLA Rechargeable
Capacity: 5 Amp Hours
Voltage: 12 Volt
Fit: Standby Systems
This sealed lead acid battery serves as a standby power source for garage openers. It is UL certified and rechargeable ensuring safe and efficient operation.
Pros
- Maintenance free design
- Sealed lead acid
- UL Certified
- Rechargeable unit
- Reliable standby power
Cons
- No mounting gear
- Requires proper charge
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Its key strength is maintenance free design with reliable standby power. This ensures your system runs smoothly without needing regular checks or fluid maintenance.
It does not include mounting accessories which means you may need to source them separately. This is acceptable for standard installations where existing gear can be reused.
Choose this for reliable backup power in systems that require rechargeable capacity. It offers a safe certified solution for keeping your opener ready during outages.
UL Certified Safety
UL Certified and maintenance free design ensures safe operation and long service life in standby systems.
Rechargeable Capability
As a rechargeable unit it provides sustainable power for repeated use over time without waste.
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10. Energizer A23 Battery – Economical Garage Door Opener Batteries
Energizer A23 Battery
Type: A23 Alkaline
Voltage: 12 Volt
Pack: Four Units
Use: Electronics
This four pack of Energizer A23 batteries offers an economical solution for remotes and electronics. It provides good power for remotes and various small electronic devices.
Pros
- Economical bulk packaging
- Good for electronics
- Equivalent 23A
- Reliable brand
- Remotes ready
Cons
- Basic packaging style
- No special features
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Its strength is bulk packaging that gives better value per unit. The equivalent 23A design ensures compatibility with devices requiring 12 volt alkaline power.
The packaging is basic and does not offer special storage or protection features. This is acceptable for the price point where value and reliability are the main focus.
Buy this for a standard supply of 12 volt batteries for remotes. It balances cost and performance well for everyday needs in household electronics and garage remotes.
Economical Bulk Packaging
Package of 4 with economical bulk packaging saves money compared to buying individual units.
Equivalent to 23A
Equivalent to 23A Mn21 and GP23ae batteries for broad compatibility across devices.
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Buying Guide – How to Choose the Best Garage Door Opener Batteries
Selecting the right battery requires understanding your specific opener type and power needs. This guide covers essential factors to help you make an informed decision.
Compatibility with Opener Model
Ensure the battery matches the model and voltage requirements of your opener. Remotes use coin or alkaline cells while backup systems need lead acid units.
Check your manual for the specific type to avoid installation issues.
Battery Type and Chemistry
Choose between alkaline for remotes and sealed lead acid for backups. Alkaline cells are disposable while lead acid units are rechargeable for long term use.
Select the chemistry that fits the power profile of your device.
Voltage Requirements
Most garage remotes use 12 volt alkaline batteries. Backup systems also use 12 volt lead acid batteries but have different capacity needs.
Verify the voltage on the old battery to ensure a direct replacement.
Brand Reputation
Top brands offer better quality control and longevity. Look for manufacturers with a track record in electronics or garage door components.
Choose a reputable brand for consistent performance over time.
Pack Size and Value
Consider how many batteries you need now and in the future. Bulk packs offer better value but require more storage space.
Buy in packs that match your replacement frequency.
Temperature Resistance
Garage environments can be hot or cold. Some batteries perform better under extreme conditions and prevent failure during seasonal changes.
Select units rated for your local climate range.
Installation and Terminals
Backup batteries may require specific terminal types for connection. Check if wire harnesses or mounting accessories are included.
Confirm the physical fit before purchase to avoid extra costs.
Shelf Life
Alkaline batteries typically have a long shelf life. Ensure you buy fresh stock if storing spares for emergency use.
Check dates to ensure maximum longevity when not in use.
How to Use and Care for Your Garage Door Opener Batteries
Always install the battery with the correct polarity to avoid damage. Match the positive and negative signs on the battery to the compartment markings.
Store unused batteries in a cool dry place to maintain shelf life. Avoid contact with metal objects to prevent short circuits.
Inspect backup batteries every six months for signs of corrosion or damage. Replace them as recommended by the manufacturer to ensure reliability.
Frequently Asked Questions
What battery type is used in most garage door remotes?
Most remotes use CR2032 coin cells or A23 12 volt alkaline batteries. Check the back of your remote to identify the correct size before purchasing a replacement.
How long do garage door opener batteries last?
Alkaline batteries typically last two to three years depending on usage. Backup batteries may need replacement every three to five years based on discharge cycles.
Can I mix different battery brands in my remote?
It is not recommended to mix brands or types. Doing so can cause imbalance and reduce overall performance. Use a complete set of identical cells.
What happens if my backup battery dies?
The opener may still work during power outages but could fail to operate if the battery is dead. Check the battery status light on the unit for status updates.
Do I need to remove the battery when not in use?
No it is safe to leave batteries installed if the remote is not used for long periods. This prevents loss and keeps the device ready to use.
How do I reset the opener after changing the battery?
Most units reset automatically when a new battery is installed. If the remote does not work reprogram it by following the manual instructions for your model.
Where should I dispose of old batteries?
Take used batteries to a recycling center that accepts alkaline and lead acid types. This helps reduce environmental impact and ensures safe handling.
Why is my remote not working after changing the battery?
Check that the battery is inserted correctly and fresh. Ensure the contacts are clean and the remote is within range of the motor unit.
Final Thoughts on Choosing the Best Garage Door Opener Batteries
These top ten picks offer reliable power for both remotes and backup systems. Each option balances compatibility and performance for different garage door needs.
Prioritize the correct voltage and type to ensure your device functions without interruption. Choose based on your specific opener model and usage patterns.
Prices and availability may change so verify current details before purchasing. Regular maintenance and timely replacements will keep your garage secure and accessible.