Contrary to what manufacturers claim about all 27 batteries being the same, I’ve found real differences after hands-on testing. In my trials, some batteries barely lasted through a few device uses, while others kept performance steady for weeks. The secret is in the quality of the cells and leak resistance.
Among these, the LiCB A27 27A 12V Alkaline Battery (5-Pack) impressed me with its long shelf life and consistent power. Its Grade A cells deliver reliable voltage and durability, making it a standout for critical devices like alarms and remote controls. Plus, it’s tested under strict standards, ensuring safe, leak-proof operation. If you want a trusted, long-lasting option, this pack offers excellent value and peace of mind for your RV or remote needs.
Top Recommendation: LiCB A27 27A 12V Alkaline Battery (5-Pack)
Why We Recommend It: This battery set’s Grade A cells and strict quality checks translate into longer-lasting power and minimal leakage risks. Its full 12-volt charge outperforms lower-quality alternatives, and the 3-year shelf life ensures readiness without sudden loss of power, unlike some generic options. Compared to Duracell, which also guarantees 5 years, the LiCB offers a better balance of quality and value—plus, the 5-pack ensures you’re stocked for the long haul.
Best rv eries 27 batteries: Our Top 5 Picks
- LiCB A27 27A 12V Alkaline Battery (5-Pack) – Best for Remote Key Fobs
- Duracell 27 12V Alkaline Battery, 1 Pack – Best Value for 12V Batteries
- kunying A27 12V Battery 5-Pack for Remote – Best for Remote Devices
- 27A A27 12V Alkaline Battery Pack (5) for Remote Key Fobs – Best for Remote Key Fobs
- 12V 27A Alkaline Battery 10-Pack Long-Lasting Power – Best for Long-Lasting Power
LiCB A27 27A 12V Alkaline Battery (5-Pack)
- ✓ Long-lasting power
- ✓ Fresh, high-quality cells
- ✓ Pack of five for convenience
- ✕ Slightly pricier than generic brands
- ✕ Not for high-drain devices
| Battery Type | A27 / 27A Alkaline Battery |
| Voltage | 12 Volts |
| Capacity | Long-lasting power with full charge, specific capacity not provided |
| Number of Batteries | 5-pack |
| Shelf Life | 3 years |
| Certifications | CE and ROHS Certified |
Many people assume that all 27A batteries are pretty much the same, but I quickly realized that’s not the case with the LiCB A27 12V alkaline pack. When I first opened the blister pack, I noticed how neatly each battery was sealed and the packaging looked fresh and professional.
Handling them, you can feel the solid build quality, and the batteries are lightweight but sturdy. They fit perfectly into my remote controls and garage door openers without any fuss.
What stood out is the crisp 12V charge on each one — no weak or dead cells here, which is common with lesser brands.
I tested these in several devices, from car alarms to blood pressure monitors. Each device powered up instantly, and I didn’t experience any power drops or early failures.
The fact that these are tested under strict quality control and have a 3-year shelf life gave me extra confidence.
One thing I appreciated is that these batteries are grade A cells, meaning longer-lasting power and reliability. Plus, the CE and ROHS certifications assure me they’re safe and environmentally friendly.
The pack of five is great for keeping backups around the house or for multiple devices.
Overall, these batteries deliver consistent performance, and I didn’t notice any leakage or corrosion even after several weeks of use. They’re a solid choice for anyone tired of replacing batteries every few months with cheaper options.
If you need dependable power, these are worth considering.
Duracell 27 12V Alkaline Battery, 1 Pack
- ✓ Long shelf life
- ✓ Reliable high-power performance
- ✓ Trusted brand quality
- ✕ Slightly more expensive
- ✕ Not for low-drain devices
| Voltage | 12 Volts |
| Battery Type | Alkaline 27 series |
| Capacity | Typically around 9V (based on standard 27 batteries) |
| Shelf Life | Guaranteed for 5 years in storage |
| Equivalent Battery Types | 8LR732, A27, MN27, A27BP, G27A, L828 |
| Intended Devices | Car alarms, key fobs, GPS trackers, remote controls, other electronics |
Compared to the handful of 27-series batteries I’ve used before, the Duracell 27 12V Alkaline stands out immediately with its robust build and reassuring weight. It feels solid in your hand, not flimsy or thin like some off-brand options.
You’ll notice the clean, professional label and the clear indication that it’s designed for high-powered devices.
Pop it into a device, and the power kicks in right away. I tested it in a remote control, a GPS tracker, and a car alarm—each fired up reliably without flickering or hesitation.
It’s straightforward to use, with no special tools or fuss needed. Duracell’s reputation for long-lasting power really shows here; I’ve had batteries die prematurely in similar devices, but these seem to hold steady for longer.
The guarantee for five years in storage is a big plus. You can stash these in your emergency kit or RV without worrying about them going bad.
When I tested the shelf life, they performed just as well after a few months as fresh batteries. It’s comforting to know I can rely on them when I really need power—storm season or road trips.
One thing to keep in mind: these are best suited for devices that demand consistent, high-level power. They’re not meant for everyday low-drain gadgets.
Overall, I found these batteries to be dependable, sturdy, and ready to perform whenever you need them most.
Kunyng A27 12V Batteries, 5-Pack for Remote
- ✓ Long-lasting power
- ✓ Leak-resistant design
- ✓ Versatile compatibility
- ✕ Slightly more expensive
- ✕ Limited to 12V A27 devices
| Voltage | 12V |
| Battery Type | Alkaline 27A |
| Capacity | Approximately 0.3Ah (based on typical 27A batteries) |
| Number of Batteries | 5-pack |
| Leak-Resistant Design | Yes |
| Compatible Devices | Garage door openers, remote controls, car alarms, toys, calculators, and other 12V electronic devices |
Many people assume that all 12V A27 batteries are pretty much the same, but my experience with the Kunyng A27 12V Batteries quickly proved otherwise. The first thing I noticed was the sturdy packaging—these batteries feel solid in your hand, with a reassuring weight that hints at quality cells inside.
Once installed in my garage remote, the performance was noticeably consistent. No flickering or weak signals—just reliable power that lasted longer than some cheaper brands I’ve used before.
The leak-resistant design really stood out; I didn’t see a single drop or corrosion even after a few months of use.
What I liked most was how versatile these batteries are. They fit perfectly in various devices like car alarms, toys, and even calculators.
The CE and ROHS certifications gave me extra confidence that these are safe and environmentally friendly. Plus, the 5-pack means I always have spares handy without constantly reordering.
On the downside, the price is slightly higher than some generic options. But honestly, the longer lifespan and dependable performance make it worth the investment.
If you’re tired of constantly replacing batteries that die too quickly, these are a solid upgrade. They truly deliver on their promise of long-lasting, quality power.
Overall, I’d recommend these for anyone who needs reliable, leak-resistant batteries that work across multiple devices. They’re a great choice for keeping your gadgets running smoothly without fuss or worry.
27A A27 12V Alkaline Batteries 5-Pack for Remote & Key Fobs
- ✓ Long-lasting power
- ✓ Leak-proof design
- ✓ Universal compatibility
- ✕ Not compatible with all devices
- ✕ Limited to 12V applications
| Battery Type | A27 / 27A / MN27 / 23AE / GP27A alkaline |
| Voltage | 12V |
| Capacity | Typically around 55-70mAh (standard for 27A batteries) |
| Chemistry | Alkaline |
| Dimensions | Approximately 27.0mm diameter x 5.4mm height |
| Shelf Life | Extended shelf life (specific duration not provided, but standard for alkaline batteries is 5-10 years) |
When I first unboxed these 27A A27 batteries, I was struck by how compact and neat they looked, with their sleek silver casing and clear labeling. I immediately appreciated the sturdy packaging, which promised freshness and reliability.
After installing one in my garage door opener, I noticed how quickly it powered up, with no lag or hesitation. These batteries seem to pack a solid punch, even after several weeks of use.
I also tested them in a remote key fob, and they delivered consistent performance without any drop in signal strength.
What really impressed me is the leak-proof design. I’ve had batteries leak and damage devices before, but these stayed clean and dry inside their holders.
Plus, the fact that they’re certified with CE and ROHS means I can trust their safety and quality.
They come in a handy 5-pack, which is perfect for stocking up or replacing multiple devices at once. The extended shelf life means I can keep some spares without worrying about losing power unexpectedly.
They fit a variety of devices—calculators, toys, car remotes—and work flawlessly across the board.
Overall, these batteries deliver on their promise of long-lasting, reliable power. They’re a smart choice for anyone who needs dependable 12V power for everyday electronics and garage gadgets.
The only downside? Some devices might require different battery types, so check compatibility before replacing.
12V 27A Alkaline Batteries 10-Pack for Remotes, Clocks, Toys
- ✓ Leak-resistant technology
- ✓ Long-lasting Grade A cells
- ✓ Wide device compatibility
- ✕ Slightly pricier than generic brands
- ✕ Limited to certain device types
| Voltage | 12V |
| Battery Type | Alkaline 27A (A23) |
| Pack Size | 10 batteries |
| Application Compatibility | Garage door openers, remotes, toys, calculators, electronic devices requiring 27A batteries |
| Leak-Resistant Technology | Enhanced seals to prevent leakage and corrosion |
| Battery Grade | Grade A cells for longer life and reliable performance |
What immediately caught my eye when I unboxed these 12V 27A alkaline batteries was their leak-resistant design. You can tell right away that these are built to keep your devices safe, thanks to the enhanced seals that aim to prevent any nasty leaks.
It’s a huge relief because nobody wants a battery ruining their remote or garage door opener.
Handling them, I noticed how compact and sturdy they feel—solid enough to handle regular use without worry. The packaging is straightforward, and the pack of ten makes it super convenient for replacing multiple devices at once.
I popped one into my garage door remote, and it fired right up without delay, showing consistent power from start to finish.
Throughout testing, I found these batteries perform reliably across a variety of devices—from car alarms to toys. They hold a good charge and seem to last longer than some cheaper alternatives I’ve tried.
Plus, the CE and ROHS certifications give peace of mind about their quality and safety standards.
Their compatibility list is quite extensive, so if your device uses similar batteries like GP23A or 23A, these will likely fit and function perfectly. The Grade A cells definitely shine through with longer-lasting power, especially for devices that need quick, dependable bursts of energy.
One minor downside is that these aren’t the cheapest option out there, but the quality and peace of mind they offer make up for it. Overall, they’re a reliable, leak-proof choice for anyone tired of frequent battery replacements or worrying about corrosion.
What Are RV Series 27 Batteries and Their Common Uses in RVs?
RV Series 27 batteries are a type of lead-acid battery specifically designed for recreational vehicles (RVs). They are known for their deep-cycle capabilities, allowing them to be discharged and recharged multiple times without significant damage. These batteries typically have a capacity of around 70-100 amp-hours, making them suitable for various applications in RVs.
Common uses of Series 27 batteries in RVs include:
| Common Uses | Description |
|---|---|
| Powering lights and appliances | While the RV is not connected to shore power. |
| Providing energy for water pumps | Used for heating systems and entertainment systems. |
| Backup power source | During travel or camping trips. |
| Typical Capacity | 70-100 amp-hours |
| Battery Type | Lead-acid, deep-cycle |
These batteries are often chosen for their balance between size and power capacity, making them a popular choice among RV enthusiasts.
What Are the Key Advantages of Deep Cycle Lead Acid Batteries for RVs?
Deep cycle lead acid batteries offer several key advantages for RV users:
| Advantage | Description |
|---|---|
| Deep Discharge Capability: | Designed to be discharged to a lower state of charge without damage, making them ideal for RV usage where power is drawn over extended periods. |
| Cost-Effective: | Generally less expensive than other battery types like lithium-ion, making them a popular choice for budget-conscious RV owners. |
| Durability: | Robust construction and reliability for consistent performance over time, especially in varying temperatures. |
| Recyclability: | Lead acid batteries are highly recyclable, reducing environmental impact compared to other battery types. |
| Availability: | Widely available and familiar technology, easy to find replacement parts and service. |
| Weight: | Heavier than some alternatives, which can impact the overall weight of the RV. |
| Maintenance: | Requires regular maintenance, including checking fluid levels and equalizing charges, which can be a drawback for some users. |
What Benefits Do AGM Batteries Offer for RV Applications?
AGM batteries offer several advantages for RV applications, making them a popular choice among RV owners.
- Enhanced safety features
- Resistance to deep discharges
- Low maintenance requirements
- Compact size and lightweight design
- Environmentally friendly construction
- Excellent cycle life and performance
- Faster charging capability
- Versatile installation options
Understanding these benefits can help RV owners make informed decisions about their battery choices.
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Enhanced Safety Features: AGM batteries contain absorbed glass mat technology, which helps prevent electrolyte leakage and minimizes the risk of spills. The sealed design reduces the likelihood of venting gas compared to traditional lead-acid batteries. This ensures a safer experience during RV travels, particularly in enclosed spaces.
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Resistance to Deep Discharges: AGM batteries can handle deep discharges better than standard lead-acid batteries without suffering significant damage. They typically maintain performance even after being discharged to 50% or lower. This resilience is crucial for RV users who rely on battery power for extended periods away from RV parks or electric hookups.
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Low Maintenance Requirements: AGM batteries are maintenance-free, meaning there is no need for regular watering or equalization charging. This convenience allows RV owners to focus on their travels rather than battery upkeep, making them a practical option for those who prefer a low-maintenance lifestyle.
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Compact Size and Lightweight Design: AGM batteries are often more compact and lighter than traditional batteries. This design allows for easier installation and provides more flexibility in using available space within the RV. Weight savings can also improve fuel efficiency when towing.
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Environmentally Friendly Construction: AGM batteries are designed with less toxic material compared to standard batteries. They are recyclable and produce fewer harmful emissions during use. This environmental consideration appeals to eco-conscious RV owners.
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Excellent Cycle Life and Performance: AGM batteries exhibit longer life cycles compared to conventional flooded batteries. They can endure numerous charge and discharge cycles without rapid capacity loss. A higher cycle life translates to decreased overall replacement costs and improved long-term performance.
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Faster Charging Capability: AGM batteries can accept a higher charge rate than traditional batteries, allowing them to recharge more quickly. This ability is beneficial during travel, where a quick recharge time can provide more usable power for extended adventures.
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Versatile Installation Options: AGM batteries can be installed in a variety of positions—horizontally or vertically—due to their sealed design. This flexibility accommodates the diverse layouts of RVs and provides more options for maximizing available battery storage space.
How Can I Choose the Right RV Series 27 Battery Based on My Power Needs?
To choose the right RV Series 27 battery based on your power needs, consider battery capacity, battery type, discharge rate, and the expected usage.
Battery capacity: The battery’s capacity is measured in amp-hours (Ah). Determine how many amp-hours you need by calculating the total wattage of your appliances and dividing by the battery voltage. For example, if your appliances use 1200 watts and you are using a 12-volt battery, you’ll need 100 amp-hours to run them for one hour.
Battery type: There are different types of batteries, including flooded lead-acid, AGM (Absorbent Glass Mat), and lithium-ion. Flooded lead-acid batteries are typically the least expensive, but require regular maintenance. AGM batteries are sealed and require less maintenance, while lithium-ion batteries are lighter, have a longer lifespan, and a higher depth of discharge, but they cost more.
Discharge rate: Understand how quickly you can draw power from your battery. A battery’s amp-hour rating assumes a specific discharge rate. Drawing power too quickly can damage the battery. For example, if a Series 27 battery has a 100Ah rating at a 20 hour rate, it should not be discharged quickly at that level.
Expected usage: Assess how often and for how long you will use the battery. If you frequently travel off-grid or use appliances for extended periods, ensure your chosen battery has enough capacity to meet these needs without excessive cycling, which can shorten battery life.
Additional consideration: Always account for any losses due to inefficiencies in the system. Batteries typically should not be discharged below 50% of their capacity to prolong lifespan, especially with lead-acid types.
What Features Should I Consider When Evaluating RV Series 27 Batteries?
When evaluating RV Series 27 batteries, consider features like capacity, lifespan, weight, discharge rate, temperature tolerance, and warranty options.
- Battery Capacity (Ah)
- Lifespan (Cycle Life)
- Weight
- Discharge Rate (C-Rate)
- Temperature Tolerance
- Warranty and Support
Next, let’s delve deeper into each of these features.
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Battery Capacity (Ah):
Battery capacity is measured in amp-hours (Ah). This indicates how much energy the battery can store and deliver over time. For example, a battery rated at 100 Ah can supply 5 amps for 20 hours. Optimal capacity depends on individual power needs in an RV. Higher capacity is beneficial for those using multiple electrical appliances. -
Lifespan (Cycle Life):
Lifespan refers to the number of charge and discharge cycles a battery can undergo before its performance significantly declines. Typical lead-acid batteries offer 300-500 cycles, while lithium-ion batteries can reach over 2,000 cycles. A longer cycle life means lower replacement costs and less environmental impact over time. -
Weight:
Weight can influence ease of installation and weight distribution in an RV. Lead-acid batteries tend to be heavier compared to lithium batteries. For instance, a lithium Series 27 battery weighs around 30 pounds, while its lead-acid counterpart may weigh over 60 pounds. A lighter battery can enhance fuel efficiency and overall maneuverability. -
Discharge Rate (C-Rate):
Discharge rate or C-rate indicates how quickly a battery can deliver its energy. A battery rated at C/10 can be discharged at 10% of its capacity over one hour. Higher discharge rates are essential for appliances that require substantial power briefly, like starting motors. Evaluating the necessary C-rate can ensure efficiency in energy use. -
Temperature Tolerance:
Temperature tolerance reflects how well a battery performs in varying environmental conditions. Many batteries operate optimally between 32°F and 104°F. Some advanced batteries include thermal management systems, making them suitable for extreme weather, ensuring reliability and longevity. -
Warranty and Support:
Warranty reflects a manufacturer’s confidence in their product. A lengthier warranty can indicate durability and provide peace of mind. Support options, such as accessible customer service and replacement parts, significantly add to the overall value of the battery. Some manufacturers offer up to 5 years of warranty, showing commitment to quality.
By considering these features, RV owners can make informed choices that align with their specific needs and preferences.
How Do Lifespan and Performance Differ Between Deep Cycle Lead Acid and AGM Batteries?
Deep cycle lead acid batteries and AGM (Absorbent Glass Mat) batteries differ significantly in lifespan and performance. Typically, AGM batteries offer a longer lifespan and enhanced performance compared to traditional deep cycle lead acid batteries.
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Lifespan: AGM batteries usually last longer than traditional deep cycle lead acid batteries. Research indicates that AGM batteries can last up to 8-12 years with proper maintenance, while lead acid batteries generally have a lifespan of 3-6 years (Battery University, 2023). The construction of AGM batteries allows for reduced corrosion and other failures, thereby extending their life.
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Performance: AGM batteries provide better performance under heavy loads. They offer higher discharge rates and better recharge efficiency. A study published by the Journal of Energy Storage (Smith, 2022) shows that AGM batteries can maintain 10-20% of their capacity at higher discharge rates compared to lead acid batteries.
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Depth of Discharge (DoD): AGM batteries can withstand deeper discharges, often down to 80% without significant damage, whereas deep cycle lead acid batteries should ideally not exceed a 50% discharge for optimal life (Batteries International, 2021). This characteristic allows AGM batteries to be more efficient in various applications.
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Maintenance: AGM batteries require less maintenance compared to traditional lead acid batteries. They are sealed and do not need water topping, which simplifies their use. Traditional lead acid batteries require regular maintenance to prevent sulfation and corrosion, which can reduce lifespan.
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Weight and Size: AGM batteries are generally lighter and more compact. Their construction with absorbent glass mats allows for a denser configuration, making them suitable for applications with space constraints.
Based on these factors, AGM batteries are often preferred for applications requiring reliability and longevity, such as renewable energy systems and recreational vehicles.
What Are Some Top-Rated Brands of RV Series 27 Batteries?
Top-rated brands of RV Series 27 batteries include Battle Born, Renogy, VMAXTANKS, and Interstate. These brands are well-regarded among RV enthusiasts for their reliability and performance.
- Battle Born
- Renogy
- VMAXTANKS
- Interstate
- Trojan
The selection of RV Series 27 batteries varies based on different needs such as lifespan, discharge rate, and discharge depth. Each brand offers unique advantages and specifications that cater to various RV users.
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Battle Born:
Battle Born produces lithium RV Series 27 batteries that offer high energy density and excellent lifespan. These batteries can last up to 10 years or more. According to the manufacturer, they can be discharged up to 80% safely without damage. This deep cycle capability allows for prolonged use without frequent recharging. -
Renogy:
Renogy manufactures AGM (Absorbent Glass Mat) style batteries, which are resistant to vibrations and extreme temperatures. These batteries often come with a longer lifespan of around 5-7 years. The company emphasizes safety features such as built-in protection against overcharging and short circuits. -
VMAXTANKS:
With their focus on hybrid technology, VMAXTANKS offers batteries that blend AGM and deep cycle capabilities. They provide a strong discharge rate, suitable for powering appliances in an RV. Their design allows for high-performance usage, even in rugged conditions. -
Interstate:
Interstate batteries are widely recognized for their reliability in the RV market. They produce a variety of options including flooded lead-acid batteries and AGM batteries. These can last around 4-6 years and are known for their good balance between cost and performance. -
Trojan:
Trojan is a long-established brand known for its deep cycle batteries. Their Series 27 options provide robust performance for both recreational and utility applications. Trojan batteries often feature advanced technology for maximized cycle life, making them a popular choice among RV users.
These brands are distinguished by specific attributes such as lifecycle, weight, and weather resistance. Understanding these characteristics can help users choose the right battery for their RVing needs.
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