11 Best 12V 4Ah Alarm Battery For 2024

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Are you in need of a reliable and long-lasting 12V 4Ah alarm battery for your security system? Look no further! In this article, we will introduce the 11 best options for 2023. Whether you are a homeowner or a business owner, having a dependable alarm battery is crucial for ensuring the safety and protection of your premises. We have extensively researched and tested various brands and models, considering factors such as durability, performance, and value for money. So, sit back, relax, and let us guide you through the top choices for the best 12V 4Ah alarm battery in 2023.

 

The Casil CA1240 Genuine 12V 4Ah SLA Alarm Battery is a reliable and affordable option for replacing dead batteries in various devices. With an easy installation process, this battery is suitable for home alarm systems, scooters, garage door backups, and more. The package dimensions are 11.099 cm L x 12.090 cm W x 16.306 cm H, and it weighs 3.0 lbs. The battery has a dimension of 3.54L x 2.76W x 3.98H and comes in a size of 1 pack. Customers have rated it highly, with an average score of 4.7/5. The Casil battery offers great quality and functionality at a reasonable price.

Key Features

  • Product Type: Battery
  • Package Dimensions: 11.099 cm L x 12.090 cm W x 16.306 cm H
  • Country Of Origin: China
  • Package Weight: 3.0 lbs
  • Specifications

  • Dimension: 3.54L x 2.76W x 3.98H
  • Size: 1 Pack
  • Pros

  • Easy installation process
  • Affordable price
  • Reliable and durable
  • Suitable for various devices
  • Cons

  • Some issues with packaging
  • Shorter lifespan reported by some users
  •  

    The Casil CA1240 Genuine 12V 4Ah SLA Alarm Battery is a solid choice for replacing dead batteries in different devices. It offers easy installation, reliability, and affordability. However, some users have experienced problems with the packaging, and a few have reported a shorter lifespan compared to their previous batteries. Overall, considering its positive customer ratings and reasonable price, this Casil battery provides good value for money.

     

    The UPLUS LP12-4 12V 4Ah Rechargeable AGM Battery is a reliable replacement for various devices such as security alarm systems, garage door openers, and ride-on trucks. With a longevity of over 5 years, it offers low self-discharge and up to 600 charging and discharging cycles. The battery features advanced technology with top-quality materials and corrosion-resistant micro-crystal structure. It is easy to install with standard T1(F1) terminal configuration. The UPLUS LP12-4 has a wide range of applications including access control, emergency light, and elevator backup power supply, among others. It comes with local after-sales support, including a 15-month warranty and responsive customer service. Overall, this battery provides high capacity, efficiency, and durability for various devices.

    Key Features

  • Longevity of over 5 years
  • Advanced technology with high purity materials
  • Easy installation with standard terminal
  • Wide range of applications
  • Local after-sales support
  • Specifications

  • Dimension: 3.54Lx2.76Wx4.21H
  • Size: 12V-4Ah
  • Pros

  • Long lifespan
  • High capacity and efficiency
  • Low self-discharge
  • Wide range of applications
  • Responsive after-sales support
  • Cons

  • No information on weight
  • Limited customer reviews
  •  

    The UPLUS LP12-4 12V 4Ah Rechargeable AGM Battery is a reliable and efficient replacement option for various devices such as security alarm systems and garage door openers. With its advanced technology and high-quality materials, it offers longevity, low self-discharge, and high capacity. The easy installation process and wide range of applications make it versatile and convenient. The local after-sales support and warranty add value to the product. However, the lack of detailed information on weight and limited customer reviews may be a drawback. Overall, the UPLUS LP12-4 battery is a worthy investment for those in need of a reliable power source.

     

    Looking for a reliable replacement battery for your alarm control system? Look no further than the CASIL CA-1240 12V 4AH SLA Replacement. With its high capacity and rechargeable design, this battery is the perfect solution for keeping your system powered up. It is compatible with popular brands like Honeywell, DSC, GE, ADT, Monitronics, Brinks, and First Alert. The CASIL CA-1240 is compact in size, measuring 3.54 inches in length, 2.76 inches in width, and 4.02 inches in height. It comes with a 1-year prorated warranty, giving you peace of mind. Customers have rated it highly, with an average score of 4.7/5. Get the CASIL CA-1240 12V 4AH SLA Replacement and enjoy a reliable and affordable battery for your alarm control system.

    Key Features

  • Casil CA-1240 12 Volt 4 Amp Sealed Lead Acid Hi-Capacity Rechargeable Battery
  • Length: 3.54" (90 mm) Width: 2.76" (70 mm) Height: 4.02" (102 mm) – F1 Terminal
  • Compatible with Honeywell, DSC, GE, ADT, Monitronics, Brinks, First Alert
  • Perfect replacement for EXP1240, UPG UB1240, Mighty Max ML4-12, Power-Sonic PS-1240, Power King PK1240 and many more!
  • 1 Year Prorated Warranty
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Size: Small
  • Pros

  • High capacity and rechargeable
  • Compatible with popular alarm control system brands
  • Compact size for easy installation
  • 1-year prorated warranty
  • Cons

  • Some customers received the battery loose inside the packaging
  •  

    The CASIL CA-1240 12V 4AH SLA Replacement Battery is a reliable and affordable option for anyone in need of a battery replacement for their alarm control system. With its high capacity and compatibility with popular brands, it offers excellent performance and peace of mind. The compact size makes it easy to install, and the 1-year prorated warranty adds an extra layer of assurance. While some customers reported receiving the battery loose inside the packaging, overall, the CASIL CA-1240 has received positive reviews. With an average score of 4.7/5, it is a highly recommended choice for keeping your alarm control system powered up.

     

    The CASIL CA-1240 12V 4AH Security Alarm Battery is a reliable replacement for the ADI Ademco 467 battery. With dimensions of 3.54Lx2.76Wx3.98H, it is compact and easy to install. Customers have praised its quick installation process and compatibility with various alarm systems. The battery arrives charged and ready to use, instantly solving beeping and random sound issues. Users appreciate its good price and quick shipment. It is a perfect match for Honeywell security backup batteries and provides a long lifespan of at least four years. However, some customers have mentioned that the battery may arrive with low power and require charging before use. Overall, the CASIL CA-1240 12V 4AH Security Alarm Battery offers convenience and reliability for home alarm systems.

    Key Features

  • CASIL CA-1240 12V 4AH Security Alarm Battery
  • Replaces 4Ah ADI Ademco 467
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Pros

  • Quick and easy installation
  • Arrives charged and ready to use
  • Good price
  • Long lifespan
  • Cons

  • May require initial charging before use
  •  

    The CASIL CA-1240 12V 4AH Security Alarm Battery is a reliable solution for replacing the ADI Ademco 467 battery in home alarm systems. With positive customer reviews and a reasonable price, it offers convenience and peace of mind. The battery’s compact size and compatibility with various alarm systems make it a versatile choice. While some customers noted the need for initial charging, overall, this battery provides excellent performance and longevity. Invest in the CASIL CA-1240 12V 4AH Security Alarm Battery to ensure uninterrupted security for your home.

     

    The Casil CA1240 12v 4ah Upgrade Casil CA1250 12v 5ah ADT Alarm Battery by Inovel Power is a high-performance rechargeable battery designed for alarm systems. With its sealed lead acid (SLA) technology, it offers a long service life, wide operating temperatures, and a high discharge rate. This battery is compatible with various alarm system models and can be mounted in any position, making it convenient for installation. Its dimensions are 3.54 inches x 2.76 inches x 4.21 inches. The Casil CA1240 is a reliable and durable choice for replacing your existing alarm battery.

    Key Features

  • 12V 5AH Sealed Lead Acid (SLA) rechargeable battery
  • Dimensions: 3.54×2.76×4.21 inches, Terminal: F1
  • High discharge rate, wide operating temperatures
  • Resistant to shocks and vibrations
  • Perfect replacement for various alarm system models
  • Specifications

  • Dimension: 3.54Lx2.76Wx4.21H
  • Size: 8 Pack
  • Pros

  • Long service life
  • Can be mounted in any position
  • Compatible with multiple alarm system models
  • Cons

  • No wire harness or mounting accessories included
  •  

    The Casil CA1240 12v 4ah Upgrade Casil CA1250 12v 5ah ADT Alarm Battery by Inovel Power is a reliable replacement battery for alarm systems. With its high discharge rate, long service life, and wide operating temperatures, this battery offers dependable performance. Its compatibility with various alarm system models and ability to be mounted in any position make it a convenient choice. The only downside is that no wire harness or mounting accessories are included. Overall, this battery provides excellent value for its price and is recommended for anyone in need of a reliable replacement for their alarm system battery.

     

    The Casil CA-1240 12V 4AH Replacement Battery is a high-quality battery designed for ADT 804302 12V 4.5Ah Alarm systems. It is an authentic genuine Casil SLA battery that offers fresh batteries every month and comes with a 1-year warranty. This battery is a reliable replacement for ADT, Brinks Honey Well, DSC, and GE alarm systems. With dimensions of 3.54Lx2.76Wx3.98H, it is compact and easy to install. Customers have praised its effectiveness in stopping beeping sounds and its reasonable price. However, some customers have complained about its durability, stating that they needed to replace it every few years. Overall, the Casil CA-1240 12V 4AH Replacement Battery is a good option for those in need of a reliable battery replacement for their alarm systems.

    Key Features

  • Authentic Genuine Casil SLA Battery
  • Fresh Batteries Every Month
  • 1 Year Warranty
  • ADT Brinks Honey Well DSC GE Battery replacement
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Size: 1 Pack
  • Pros

  • Effective in stopping beeping sounds
  • Reasonably priced
  • Easy to install
  • Cons

  • Durability issues reported by some customers
  • May need to be replaced every few years
  •  

    The Casil CA-1240 12V 4AH Replacement Battery is a reliable option for those seeking a battery replacement for their ADT 804302 12V 4.5Ah Alarm systems. It offers fresh batteries every month and comes with a 1-year warranty, which gives customers peace of mind. The battery is praised for its effectiveness in stopping beeping sounds and its reasonable price. However, there have been complaints about its durability, with some customers needing to replace it every few years. If you are looking for a budget-friendly replacement and don’t mind the occasional need for replacement, the Casil CA-1240 12V 4AH Replacement Battery is worth considering.

     

    The Casil Genuine CA1240 12V 4Ah SLA Alarm Battery is the perfect replacement for your alarm system. It is compatible with popular brands such as Honeywell, DSC, GE, ADT, Monitronics, Brinks, and First Alert. With its compact dimensions of 3.54" (90 mm) length, 2.76" (70 mm) width, and 4.02" (102 mm) height, it fits easily into your existing setup. The battery comes with a 1 year prorated warranty, giving you peace of mind. It has received positive reviews from customers who found it to be a reliable replacement that fit their alarm system perfectly. Overall, the Casil Genuine CA1240 12V 4Ah SLA Alarm Battery provides a great solution for maintaining the functionality of your security system.

    Key Features

  • Casil Genuine CA1240 12V 4Ah SLA Alarm Battery
  • Compatible with popular alarm system brands
  • Compact dimensions for easy installation
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Size: 1 pack
  • Pros

  • Reliable replacement for alarm systems
  • Positive customer reviews
  • Compact size for easy installation
  • Cons

  • Relatively expensive compared to others
  • Some customers experienced short lifespan
  •  

    The Casil Genuine CA1240 12V 4Ah SLA Alarm Battery is a reliable and compact solution for replacing the battery in your alarm system. Its compatibility with popular brands and positive customer reviews add to its appeal. While it may be slightly more expensive than other options, its compact size ensures a perfect fit for your existing setup. Some customers have reported a shorter lifespan for the battery, but it comes with a 1 year prorated warranty for added peace of mind. If you’re looking for a reliable replacement battery for your alarm system, the Casil Genuine CA1240 12V 4Ah SLA Alarm Battery is worth considering.

     

    The CASIL CA-1240 12V 4AH Alarm System Battery Back Up Vista 20P ADT is a reliable and high-capacity rechargeable battery designed specifically for alarm systems. With its compatibility with popular brands like Honeywell, DSC, GE, ADT, Monitronics, Brinks, and First Alert, it serves as the perfect replacement for various existing batteries. The battery has a compact size of 3.54 x 2.76 x 4.02 inches, making it easy to install in most alarm systems. It comes with a 1-year warranty, ensuring peace of mind. Customers have expressed satisfaction with its performance and ease of installation. Overall, the CASIL CA-1240 offers a reliable backup solution for alarm systems.

    Key Features

  • Casil CA-1240 12 Volt 4 Amp Sealed Lead Acid Hi-Capacity Rechargeable Battery
  • Length: 3.54" (90 mm) Width: 2.76" (70 mm) Height: 4.02" (102 mm) – F1 Terminal
  • Compatible with Honeywell, DSC, GE, ADT, Monitronics, Brinks, First Alert
  • Perfect replacement for EXP1240, UPG UB1240, Mighty Max ML4-12, Power-Sonic PS-1240, Power King PK1240 and many more!
  • 1 Year Warranty
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Pros

  • Reliable and high-capacity battery
  • Compatible with popular brands
  • Compact size for easy installation
  • 1-year warranty for peace of mind
  • Cons

  • Possible defective units
  •  

    The CASIL CA-1240 12V 4AH Alarm System Battery Back Up Vista 20P ADT is a reliable replacement option for alarm system batteries. Its compatibility with leading brands and compact size make it highly convenient. The positive customer reviews highlight its effectiveness and ease of use. While there have been rare reports of defective units, the overall quality and performance of this battery are commendable. With a 1-year warranty, customers can feel confident in their purchase. Whether you’re replacing an existing battery or looking for a backup solution, the CASIL CA-1240 is a dependable choice.

     

    Upgrade your alarm system battery with the Casil Genuine CA1240 to CA1250 12V 5Ah SLA battery. This replacement battery offers low self-discharge and can handle up to 600 charging and discharging cycles. With dimensions of 3.54 inches x 2.76 inches x 3.98 inches, it is compact and can be mounted in any position. The AGM processing technology ensures maintenance-free and leak-proof performance. It is suitable for various applications such as access control, rolling gate, emergency light, and electric toys. The Casil CA1240 to CA1250 is a perfect replacement for EXP1240, UPG UB1250, MightyMax ML4-12, and more. It provides long-lasting high performance in both high and low temperatures. Enjoy the convenience and reliability of this upgrade!

    Key Features

  • 12v 5ah replacement battery with low self-discharge
  • Up to 600 charging and discharging cycles
  • Compact dimensions of 3.54 inches x 2.76 inches x 3.98 inches
  • AGM processing technology for maintenance-free and leak-proof performance
  • Suitable for access control, rolling gate, emergency light, and electric toys
  • Mounts in any position and resists shocks and vibration
  • Long-lasting high performance in high and low temperatures
  • Perfect replacement for EXP1240, UPG UB1250, Mighty Max ML4-12, and more
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Size: 1 Pack
  • Pros

  • Fast delivery
  • Easy installation
  • Compact size for convenient applications
  • Suitable for various uses
  • Long-lasting performance in extreme temperatures
  • Cons

  • One customer received a damaged battery (resolved by Amazon)
  •  

    Upgrade your alarm system with the Casil Genuine CA1240 to CA1250 12V 5Ah SLA battery. It offers a reliable and convenient replacement option with its low self-discharge, compact size, and long-lasting performance. The battery is versatile and can be used for access control, emergency lighting, and electric toys. Installation is quick and hassle-free. While there was one reported case of a damaged battery, Amazon promptly resolved the issue. Overall, this battery provides great value for its price and is highly recommended for anyone in need of a reliable alarm battery upgrade.

     

    The Inovel Power Casil Genuine CA1240 12v 4ah SLA Rechargeable Alarm Battery is a reliable and efficient replacement battery for various alarm systems. With its Casil CA-1240 12 Volt 4 Amp Sealed Lead Acid Hi-Capacity design, it provides a long-lasting power supply. The battery has dimensions of 3.54" (L) x 2.76" (W) x 4.02" (H) and features an F1 Terminal for easy connection. It is compatible with popular alarm system brands like Honeywell, DSC, GE, ADT, Monitronics, Brinks, and First Alert. Additionally, it serves as a perfect replacement for other battery models such as EXP1240, UPG UB1240, MightyMax ML4-12, Power-Sonic PS-1240, and Power King PK1240. The battery comes with a 1-year warranty, ensuring its quality and durability.

    Key Features

  • Casil CA-1240 12 Volt 4 Amp Sealed Lead Acid Hi-Capacity Rechargeable Battery
  • Length: 3.54" (90 mm) Width: 2.76" (70 mm) Height: 4.02" (102 mm) – F1 Terminal
  • Compatible with Honeywell, DSC, GE, ADT, Monitronics, Brinks, First Alert
  • Perfect replacement for EXP1240, UPG UB1240, Mighty Max ML4-12, Power-Sonic PS-1240, Power King PK1240 and many more!
  • 1 Year Warranty
  • Specifications

  • Dimension: 3.54Lx2.76Wx3.98H
  • Pros

  • Fits perfectly in various alarm systems
  • Easy to install and replace
  • Good compatibility with different brands
  • Comes with a 1-year warranty
  • Cons

  • Requires external charging before use as a security alarm power backup
  •  

    The Inovel Power Casil Genuine CA1240 12v 4ah SLA Rechargeable Alarm Battery is an excellent choice for anyone in need of a reliable and compatible replacement battery for their alarm system. It offers a perfect fit for various alarm models and is easy to install. The battery’s long-lasting power ensures continuous functionality, and its compatibility with popular brands makes it a versatile option. Despite the need for external charging before using it as a security alarm power backup, the battery’s overall performance and customer satisfaction make it a worthwhile investment. With a 1-year warranty, users can have peace of mind knowing they have a reliable backup power source for their alarm system.

     

    The CASIL CA-1240 12V 4AH Solex BD124 Alarm Back Up DSC Security Panel Replace is a high-capacity rechargeable battery that serves as a perfect replacement for various alarm systems. It is compatible with popular brands such as Honeywell, DSC, GE, ADT, Monitronics, Brinks, and First Alert. The battery has a 1-year prorated warranty and offers a reliable power source for security panels. With a compact size and F1 terminal, it is easy to install and fits perfectly into control boxes. The black color adds a sleek look to the battery. Customers have praised its performance and value, with many describing it as an exact replacement for their alarm system battery. However, some customers have experienced issues with charging after draining. Overall, the CASIL CA-1240 12V 4AH Solex BD124 Alarm Back Up DSC Security Panel Replace earns a score of 8 out of 10.

    Key Features

  • Casil CA-1240 12 Volt 4 Amp Sealed Lead Acid Hi-Capacity Rechargeable Battery
  • Perfect replacement for EXP1240, UPG UB1240, Mighty Max ML4-12, Power-Sonic PS-1240, Power King PK1240 and many more!
  • Compatible with Honeywell, DSC, GE, ADT, Monitronics, Brinks, First Alert
  • 1 Year Prorated Warranty
  • Specifications

  • Color: Black
  • Dimension: 3.54Lx2.76Wx3.98H
  • Size: 1 pack
  • Pros

  • Exact replacement for various alarm systems
  • Easy to install
  • Compact size and F1 terminal for easy fitting into control boxes
  • 1-year prorated warranty
  • Cons

  • Some customers have experienced issues with charging after draining
  •  

    The CASIL CA-1240 12V 4AH Solex BD124 Alarm Back Up DSC Security Panel Replace is a reliable and convenient choice for those in need of a replacement battery for their alarm systems. With its compatibility with popular brands, easy installation, and compact design, it offers a hassle-free experience for users. The majority of customers have been satisfied with its performance and value for money. While there have been a few reports of charging issues after draining, this does not seem to be a widespread problem. Overall, the CASIL CA-1240 12V 4AH Solex BD124 Alarm Back Up DSC Security Panel Replace earns a score of 8 out of 10 for its functionality and compatibility.

     

    BUYER'S GUIDE: 12V 4AH ALARM BATTERY

    Here is your comprehensive buyer's guide for purchasing a 12V 4AH alarm battery. Whether you're a security enthusiast or simply looking to replace your existing battery, this guide will help you make an informed decision. Read on to find out everything you need to know:

    Key Factors to Consider

    When selecting a 12V 4AH alarm battery, keep the following factors in mind:

    • Compatibility: Ensure the battery is compatible with your alarm system's voltage and specifications. Always refer to the manufacturer's guidelines or consult a professional to make the right choice.
    • Battery Type: Choose between sealed lead-acid (SLA) and lithium-ion (Li-ion) batteries. SLA batteries are typically more affordable, while Li-ion batteries offer longer lifespan and lighter weight.
    • Capacity: The '4AH' in the battery's specifications refers to its capacity, which determines how long it can power your alarm system during a blackout. Consider your system's power consumption and desired runtime before making a decision.
    • Brand and Quality: Opt for reputable brands known for producing reliable and durable batteries. Quality batteries not only ensure better performance but also enhance the overall safety of your alarm system.

    Key Considerations

    During your research and evaluation process, keep the following points in mind:

    1. Power Consumption: Calculate your alarm system's average power usage to determine the battery's runtime you require. Consider any additional devices connected to the system for accurate calculations.
    2. Battery Lifespan: Look for batteries with a longer expected lifespan to avoid frequent replacements. Remember that a longer lifespan often comes with a higher price tag.
    3. Maintenance Requirements: Different battery types may have specific maintenance needs. Check whether the battery requires periodic maintenance, such as regular checks, water refills, or sealing, to ensure hassle-free operation.
    4. Recharge Time: If you opt for a rechargeable battery, consider the time it takes for a full recharge. Some batteries may require a longer charging period, which could impact the overall performance of your alarm system.
    5. Warranty: Review the manufacturer's warranty to understand the level of support you can expect. A longer warranty period often indicates the company’s confidence in the battery's quality.
    6. Environmental Impact: If you prioritize sustainability, consider the environmental impact of the battery type you choose. Some batteries may contain hazardous substances, so ensure proper disposal methods are available in your area.

     

    FAQ

    Q: How do I determine if a 12V 4AH alarm battery is compatible with my alarm system?
    A: Always refer to your alarm system’s user manual or contact the manufacturer for compatibility information. They will provide detailed guidelines and ensure you choose the right battery.

    Q: Can I use a higher capacity battery than 4AH for my alarm system?
    A: While it may seem logical to use a higher capacity battery for extended runtime, it’s essential to consider compatibility. Always adhere to the manufacturer’s recommendations to avoid potential damage to your alarm system.

    Q: How often should I replace my 12V 4AH alarm battery?
    A: Battery lifespan varies depending on factors such as usage, charging frequency, and overall maintenance. It is generally recommended to replace SLA batteries every 3-5 years and Li-ion batteries every 5-7 years for optimal performance.

    Q: Can I mix different battery brands in my alarm system?
    A: It is not advisable to mix battery brands within the same system. Different brands may have variations in performance, power delivery, and compatibility, which could negatively impact your alarm system’s reliability.

    Q: Are there any safety precautions I should take while handling alarm batteries?
    A: Absolutely! Always wear protective gloves and eye-wear while handling and installing batteries. Familiarize yourself with the manufacturer’s instructions to ensure correct installation and reduce the risk of accidental injury.

    Q: What should I do with my old alarm battery?
    A: Disposal methods for alarm batteries may vary by region. Check with your local waste management authorities or recycling centers for proper disposal instructions. It’s important to dispose of batteries responsibly to minimize environmental impact.