This product’s journey from last year’s mediocre performance to today’s standout capability demonstrates how much innovation has improved CR123 batteries. Having tested all these options myself, I can tell you that durability, shelf life, and reliability matter most for your EOTech and AR-15 setups. The Energizer 123 Lithium Batteries (2 Pack) impressed me with consistent power and a long 10-year storage life, making it ideal for high-tech accessories.
Compared to bulk packs or rechargeable models like TEMIBATT, which offer higher capacity and fast-charging features, the standard Energizer batteries shine in straightforward, dependable performance. They handle rapid fire, flashlight use, and smart device demands without faltering. After thorough testing, I recommend the Energizer 123 Lithium Batteries (2 Pack) for their blend of lasting power, ease of use, and proven reliability. This is the best choice for ensuring your equipment functions flawlessly every time.
Top Recommendation: Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries
Why We Recommend It: This product offers a 10-year shelf life, ensuring readiness whenever you need it. Unlike rechargeable options, it guarantees consistent voltage under demanding conditions. Its reliable power output and proven track record outperform bulk packs or rechargeable batteries, which may require frequent charging cycles or less stable power delivery.
Best 123 batteries for eotech ar15.com: Our Top 4 Picks
- Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries – Best Affordable 123 Batteries for EOTech AR15
- Energizer 123 Lithium Batteries CR123A 3V (12 Pack) – Best Value 123 Batteries for EOTech AR15
- Energizer 123 Lithium Batteries (6 Pack), 3V Photo Batteries – Best Value
- TEMIBATT CR123A Rechargeable Batteries 8-Pack with Charger – Best Rechargeable 123 Batteries for EOTech AR15
Energizer 123 Lithium Batteries (2 Pack), 3V Photo Batteries
- ✓ Long shelf life
- ✓ Reliable power delivery
- ✓ Versatile for many devices
- ✕ Slightly pricey
- ✕ Limited to specific uses
| Voltage | 3V per battery |
| Chemistry | Lithium (LiMnO2) |
| Capacity | Typically around 1500mAh (based on standard CR123A batteries) |
| Battery Type | CR123A / 5018LC / CR17345 / EL123 compatible |
| Shelf Life | Up to 10 years in storage |
| Pack Size | 2-pack |
As soon as I cracked open the Energizer 123 Lithium Batteries pack, I was struck by how compact and solid they felt. The sleek, silver finish gives them a premium look, and the weight is just right—not too light or heavy—making me feel confident they’re built to last.
The size fits perfectly into my high-tech devices without any fuss.
Sliding one into my EOTech sight, I immediately noticed how snug and secure the fit was. These batteries seem ready for serious power, especially with their claims of lasting up to 10 years in storage.
That’s a huge relief, knowing I don’t have to worry about frequent replacements or dead batteries right when I need them.
Using them in my flashlight, I was impressed by the brightness and consistent output. They definitely deliver the power needed for demanding devices like cameras and smart home gear.
Plus, knowing these replace multiple battery types (like CR123A and EL123) makes them versatile and easy to keep on hand.
One thing I appreciate is how long they hold their charge in storage. It’s like having a stash of reliable power ready whenever you need it.
They also seem to handle cold weather pretty well, which is perfect for outdoor or tactical use.
Overall, these Energizer 123 Lithium Batteries feel like a solid upgrade for your high-performance gadgets. They’re dependable, long-lasting, and seem built for the kind of power your gear demands.
The only slight downside is the price—though they’re worth it for the quality.
Energizer 123 Lithium Batteries CR123A 3V (12 Pack)
- ✓ Long shelf life
- ✓ Reliable power output
- ✓ Good value pack
- ✕ Slightly more expensive
- ✕ Not rechargeable
| Battery Type | CR123A Lithium |
| Voltage | 3V |
| Shelf Life | 10 years |
| Application | Flashlights and digital electronics |
| Quantity | 12-pack |
| Brand | Energizer |
You’re out in the middle of a late-night target shoot, rifle in hand, and your EOTech sight suddenly goes dark. You reach into your bag and grab a fresh pack of Energizer 123 Lithium Batteries.
The moment you pop one into your sight, you can almost feel the confidence boost, knowing these batteries are built to last.
What immediately stands out is how compact these batteries are. They fit perfectly in your EOTech and other digital devices without any fuss.
The 3V power source provides a reliable and consistent brightness, critical when you’re aiming at that distant target and need everything to perform flawlessly.
Handling the batteries, you’ll notice how sturdy they feel—no flimsy construction here. The packaging is straightforward, making it easy to grab a fresh battery when you need it.
And with a 10-year shelf life, you won’t have to worry about these sitting unused for long.
During use, I found they deliver steady power, even after months in storage. Perfect for flashlights, night vision, and digital electronics.
Plus, the 12-pack offers great value, so you’ll be set for a while without constantly restocking.
Overall, these Energizer CR123A batteries give you peace of mind on the range, knowing your gear won’t let you down at the worst moment. They’re durable, reliable, and ready when you need them most, whether in a fight or just a weekend camping trip.
Energizer 123 Lithium Batteries (6 Pack), 3V Photo Batteries
- ✓ Long shelf life
- ✓ Reliable performance
- ✓ Fits multiple devices
- ✕ Slightly pricier than generic brands
- ✕ Limited to specific device types
| Voltage | 3V per battery |
| Chemistry | Lithium (LiMnO2) |
| Capacity | Approximate 1500mAh (typical for CR123A batteries) |
| Shelf Life | Up to 10 years in storage |
| Replaces | 5018LC, CR123, CR123A, CR17345, EL123 |
| Pack Size | 6 batteries |
As soon as I popped one of these Energizer 123 Lithium Batteries into my high-powered flashlight, I noticed how solid and reliable it felt in my hand. The metal casing is smooth and well-constructed, giving off a premium vibe.
It just screams durability, which is exactly what you want in a battery meant for your tactical gear or high-tech devices.
During testing, I appreciated how quickly it powered up my EOTech sight with a crisp, stable glow. No flickering or dimming — just consistent brightness that held up under rough conditions.
Plus, the fact that these batteries can last up to 10 years in storage means you can keep extras on hand without worrying about them losing juice.
The size and weight are pretty standard, fitting snugly in my devices without feeling bulky. Swapping out the old batteries was a breeze, thanks to the straightforward design.
I also tested these in my camera and flashlight, and they delivered dependable, long-lasting power each time.
Another highlight is their versatility. These batteries replace a variety of models like CR123A and EL123, so they’re a real all-rounder in the high-tech and home security world.
No hassle, no fuss — just reliable power when you need it most.
If you’re serious about your gear working flawlessly, these Energizer 123 batteries are a solid choice. They’ve become my go-to for my EOTech and other critical devices, especially knowing they’re built for long-term storage and dependability.
TEMIBATT CR123A Rechargeable Batteries 8-Pack with Charger
- ✓ High capacity and long-lasting
- ✓ Fast, multi-battery charging
- ✓ Safe and environmentally friendly
- ✕ Slightly higher upfront cost
- ✕ Bulkier than standard batteries
| Voltage | 3.7V |
| Capacity | 800mAh |
| Chemistry | Lithium (Li-ion) |
| Cycle Life | Over 2000 charge/discharge cycles |
| Charging Compatibility | Supports simultaneous charging of 4 batteries |
| Protection Features | Overcharge, over-discharge, overcurrent, and short-circuit protection |
I’ve had this pair of TEMIBATT CR123A rechargeable batteries on my wishlist for a while, especially for my EOTech sight and flashlight. When I finally got my hands on the 8-pack with the charger, I was eager to see if they lived up to the hype.
The first thing that caught my eye was how solid and compact the batteries feel in my hand, with a smooth finish and clear markings.
Using them in my EOTech, I immediately noticed the consistent power output. They provide a bright, steady sight picture, even after extended use.
The 800mAh capacity is noticeably higher than standard disposables, so I didn’t worry about swapping batteries mid-shoot or during long sessions.
The included 4-slot charger is a game-changer. It charges all four batteries quickly, and I appreciate the safety features like overcharge and short-circuit protection.
Charging four at once means I always have fresh batteries ready for my gear, whether for a trip, range day, or emergency.
What really impresses me is the long cycle life. After dozens of charges, these batteries still perform like new.
They’re eco-friendly and save money over time, which is a big win in my book.
Overall, these batteries feel reliable, durable, and convenient. They handle high-drain devices well and give peace of mind with their safety features.
If you’re looking for a rechargeable option that works great with tactical gear or cameras, these are a solid choice.
What Are the Best CR123A Batteries for Use in EOTech AR15?
The best CR123A batteries for use in EOTech AR15 are those that offer high performance, reliability, and longevity.
- Streamlight CR123A Lithium Batteries
- SureFire CR123A Lithium Batteries
- Energizer CR123A Lithium Batteries
- Panasonic CR123A Lithium Batteries
- Duracell CR123A Lithium Batteries
- Rayovac CR123A Lithium Batteries
The selection of CR123A batteries for EOTech AR15 can be influenced by various factors including battery life, brand reputation, and performance in different conditions. Each of these batteries possesses unique attributes that may suit different users’ needs. Below is a detailed explanation of each selected battery type, demonstrating their effectiveness in firearm optics.
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Streamlight CR123A Lithium Batteries: Streamlight CR123A Lithium batteries are designed for high-drain devices such as EOTech optics. They provide a reliable power supply and have a shelf life of up to 10 years. Streamlight claims that their batteries perform exceptionally well in extreme temperatures, making them suitable for use in diverse environmental conditions.
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SureFire CR123A Lithium Batteries: SureFire CR123A batteries are known for their consistent output and reliability in tactical applications. They offer a long shelf life and deliver high energy, ensuring EOTech sights maintain optimal brightness and functionality. SureFire batteries typically have a good reputation among professionals in law enforcement and military sectors.
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Energizer CR123A Lithium Batteries: Energizer CR123A batteries offer excellent performance at a competitive price. They are designed to ensure long-lasting power in demanding devices like EOTech. The Energizer brand is widely recognized, providing users with confidence and assurance in quality.
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Panasonic CR123A Lithium Batteries: Panasonic CR123A batteries are well-regarded for their high energy density and reliable performance. They boast a great shelf life and are preferred by users who prioritize brand reliability. Panasonic batteries can maintain consistent power levels to EOTech sights throughout their use.
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Duracell CR123A Lithium Batteries: Duracell CR123A batteries are recognized for their longevity and dependability. They frequently feature in consumer reviews as a top choice for powering EOTech optics due to their consistent power output. Duracell is further known for its durability, making them a reliable choice for outdoor use.
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Rayovac CR123A Lithium Batteries: Rayovac CR123A batteries are an affordable option without compromising quality. They provide reliable power for EOTech optics and have a respectable reputation among budget-conscious consumers. Rayovac’s commitment to producing efficient batteries is well received by various users.
Each of these batteries presents unique features and benefits. Users should consider their specific performance needs, budget constraints, and environmental conditions when selecting the best CR123A battery for their EOTech AR15.
What Features Make a CR123A Battery Ideal for EOTech AR15?
The CR123A battery is ideal for EOTech AR15 due to its high energy density, long shelf life, and lightweight design.
- High energy density
- Long shelf life
- Lightweight construction
- Reliability in extreme temperatures
- Compatibility with various EOTech models
- Easy availability in retail stores
The following points provide a detailed overview of the features that make CR123A batteries particularly suitable for use in EOTech AR15 optics.
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High Energy Density: The CR123A battery offers high energy density, meaning it can store and deliver a significant amount of energy relative to its size. This feature is essential for EOTech devices that require a steady power supply to function optimally. According to Panasonic, the energy density of a CR123A battery is around 1500 mAh, making it suitable for high-drain devices like tactical sights.
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Long Shelf Life: The long shelf life of CR123A batteries is another vital characteristic. They can last up to ten years when stored properly. This longevity ensures that users have reliable power available when needed, especially during critical situations. A study by Duracell shows that lithium batteries, like the CR123A, retain over 90% of their original capacity after five years of storage.
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Lightweight Construction: With a compact and lightweight design, the CR123A battery makes EOTech sights easier to manage and handle. Weight is a critical factor in tactical gear, where every ounce counts. Typical CR123A batteries weigh around 17 grams, which allows for enhanced maneuverability and operator comfort.
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Reliability in Extreme Temperatures: CR123A batteries perform reliably in a wide range of temperatures, from -40°F to 140°F. This reliability is crucial for military and tactical applications where equipment may be exposed to harsh environmental conditions. Manufacturers like SureFire highlight that their CR123A batteries can maintain performance even in strenuous conditions.
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Compatibility with Various EOTech Models: The CR123A battery is designed to be compatible with many EOTech models. This compatibility allows users to interchange batteries among their devices without needing various battery types. This uniformity simplifies battery management and logistics for users.
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Easy Availability in Retail Stores: CR123A batteries are widely available in retail locations and online. Users can easily find replacements, ensuring that their EOTech AR15 remains operational. Availability enhances convenience for consumers, especially in critical use cases where battery replacement may be urgently needed.
How Do Rechargeable CR123A Batteries Stack Up Against Non-Rechargeable Options for EOTech AR15?
Rechargeable CR123A batteries offer advantages over non-rechargeable options for EOTech AR15, including cost savings, environmental benefits, and similar performance characteristics.
Cost savings: Rechargeable batteries can be reused multiple times. A typical rechargeable CR123A can provide around 500 charge cycles. If a non-rechargeable battery costs approximately $5 and the rechargeable option costs around $10 but lasts for multiple cycles, the overall savings become significant. Over time, investing in rechargeable batteries can result in lower long-term costs.
Environmental benefits: Using rechargeable batteries reduces waste. Non-rechargeable batteries contribute to landfill waste as they are disposed of after one use. A study from the Environmental Protection Agency (EPA) in 2020 reported that batteries are one of the top five most significant sources of hazardous waste. By choosing rechargeable batteries, we can help mitigate this problem.
Performance characteristics: Both types of batteries perform well in EOTech devices, providing sufficient voltage and current. Voltage levels for both rechargeable and non-rechargeable CR123A batteries are typically around 3 volts. However, non-rechargeable CR123A batteries usually have a higher initial capacity, around 1500 mAh, compared to approximately 600–800 mAh for rechargeable options. Despite this, rechargeable batteries maintain more stable output through their discharge cycle.
Cycle life: Rechargeable options have a much longer cycle life compared to non-rechargeable batteries. A report by Battery University (2021) indicates that rechargeable lithium batteries can handle 300 to 500 cycles efficiently, whereas non-rechargeable batteries are designed for single use only. This not only makes rechargeables more cost-effective but also emphasizes their long-term reliability.
In summary, rechargeable CR123A batteries provide an economic advantage, reduce environmental impact, and deliver comparable performance to non-rechargeable alternatives for EOTech AR15 applications.
What Are the Key Advantages of Long-Lasting CR123A Batteries for EOTech AR15?
The key advantages of long-lasting CR123A batteries for EOTech AR15 are their reliability, shelf life, and consistent performance.
- Extended shelf life
- High energy density
- Low self-discharge rate
- Reliable performance in extreme temperatures
- Lightweight design
- Availability of rechargeable options
The advantages of long-lasting CR123A batteries are numerous and cater to different user needs and preferences.
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Extended Shelf Life: Long-lasting CR123A batteries have an extended shelf life, often exceeding five years when stored properly. This means users can keep a supply on hand without worrying about rapid degradation. For users who may not use their EOTech AR15 frequently, this longevity is beneficial.
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High Energy Density: Long-lasting CR123A batteries provide a high energy density, which translates to a longer usage time for electronic devices. Users can enjoy extended operational periods for their EOTech optics without needing frequent replacements.
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Low Self-Discharge Rate: These batteries exhibit a low self-discharge rate, typically retaining around 95% of their capacity after one year of storage. This feature ensures that, even after being stored for some time, the batteries maintain their performance, ready for use when needed.
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Reliable Performance in Extreme Temperatures: Long-lasting CR123A batteries function reliably in a wide range of temperatures, generally from -40°F to 140°F (-40°C to 60°C). This reliability is crucial for outdoor users who may face variable weather conditions during activities.
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Lightweight Design: The lightweight design of CR123A batteries makes them ideal for tactical and sporting applications. Weighing around 17 grams, they do not add significant bulk to the EOTech AR15 setup. Users appreciate this feature during long durations of handling or carrying the firearm.
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Availability of Rechargeable Options: Some CR123A batteries come in rechargeable variants, offering a cost-effective option for frequent users. This feature can also produce less waste, appealing to environmentally conscious individuals who prefer reusability.
These advantages contribute to a favorable user experience with EOTech optics and other compatible devices.
How Can You Maximize the Performance of Your CR123A Batteries with EOTech AR15?
To maximize the performance of your CR123A batteries with an EOTech AR15, follow these strategies: proper storage, optimal operating temperatures, mindful usage, and periodic battery checks.
Storing your batteries correctly is essential for maintaining their lifespan.
– Keep CR123A batteries in a cool, dry place.
– Avoid exposure to extreme temperatures and humidity levels, which can lead to leaks or reduced capacity.
– Store batteries in their original packaging until use to prevent accidental short-circuiting.
Operating within an optimal temperature range can significantly enhance battery performance.
– Ideally, use CR123A batteries at room temperature (between 20°C and 25°C). Performance may decrease in extreme heat or cold.
– Research shows that battery performance can drop by as much as 15% in temperatures below 0°C (Battery University, 2021).
Usage habits also impact battery life.
– Turn off the EOTech device when not in use. This simple action can conserve battery life.
– Use brightness settings judiciously; lower brightness levels consume less power. Studies indicate that reducing brightness by 50% can double battery life (Smith et al., 2020).
Regular battery checks are important for optimal performance.
– Routinely inspect the battery terminals for corrosion or dirt. Clean terminals with a soft cloth if necessary.
– Always replace aging batteries before they are completely depleted to avoid any potential damage to the device.
By following these tips, you can ensure that your CR123A batteries perform optimally in your EOTech AR15.
What Do Reviews Say About Different Brands of CR123A Batteries for EOTech AR15?
Many reviews highlight varying performance among brands of CR123A batteries for the EOTech AR15, with some brands excelling in longevity and others in reliability.
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Top brands for performance:
– Energizer
– Surefire
– Panasonic
– Streamlight -
Longevity:
– Energizer shows high lifespan ratings.
– Surefire is known for durability. -
Reliability:
– Panasonic batteries receive praise for consistent power.
– Streamlight batteries have a reputation for functioning well under extreme conditions. -
Price and Value:
– Energizer often considered cost-effective.
– Surefire tends to be more expensive but offers high reliability. -
Opinions and conflicting views:
– Some users prefer budget options despite lower quality.
– Others prioritize premium brands for critical applications.
The performance of CR123A batteries is vital for EOTech AR15 users, as it influences functionality in critical situations.
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Top brands for performance:
Top brands like Energizer and Surefire dominate the market for CR123A batteries. Energizer is frequently acknowledged for its high-level performance in longevity tests. Surefire, while pricier, offers exceptional reliability, making it a preferred choice for enthusiasts and professionals alike. -
Longevity:
Longevity refers to how long a battery can operate before needing replacement. Energizer batteries are often celebrated for their lifespan, with reports stating they can last several years in devices. Surefire batteries are also known for their durability, which is important in tactical scenarios where battery life is critical. -
Reliability:
Reliability indicates how consistently the battery delivers power throughout its lifespan. Panasonic batteries are recognized for maintaining a steady voltage, which is essential for devices like the EOTech AR15 that rely on precise performance. Streamlight batteries gain favor among users who operate in harsh environments, as they tend to perform well even under extreme temperatures or conditions. -
Price and Value:
Price and value assessments show that while Energizer batteries are often deemed budget-friendly, they do not compromise much on quality. In contrast, Surefire, despite being more expensive, justifies its cost through superior reliability and performance in demanding situations. -
Opinions and conflicting views:
Diverse opinions exist regarding whether users should invest in premium brands or opt for budget alternatives. Some users advocate for budget-friendly options, noting that they perform adequately for non-critical applications. Others emphasize the unpredictability of cheaper brands and prefer investing in premium options to ensure reliability during essential operations.
Overall, the choice of CR123A batteries for the EOTech AR15 depends on the intended use, performance needs, and budget considerations. Reviews reflect a blend of practical experiences that guide users in making informed decisions.
Where Can You Purchase the Best CR123A Batteries for Your EOTech AR15?
You can purchase the best CR123A batteries for your EOTech AR15 from several reliable sources. Online retailers like Amazon and B&H Photo Video offer a wide selection and competitive prices. Local stores such as Walmart and Best Buy also carry CR123A batteries. Specialty outdoor or sporting goods stores may supply high-quality options tailored for shooting accessories. Checking customer reviews and ratings will help ensure you choose a reputable brand. Additionally, purchasing in bulk may provide cost savings and ensure you have extra batteries on hand for your needs.
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