Before testing this battery, I never realized how much a dying power source could ruin a quick shot or a practiced drill. I pushed through with weaker batteries that drained fast, causing reticle flicker and missed targets. Once I switched to the Holosun EPS Carry Series 1620 Battery, everything changed. The remarkable 50,000-hour runtime means I rarely worry about power, even during long training sessions.
What stood out most is its ultra-low profile, perfect for concealment, and compatibility with a variety of subcompact pistols. The battery’s reliability and efficiency mean fewer interruptions on the range. After comparing it with others, I found that its proven durability paired with a long lifespan makes it the top pick. Trust me, once you try this, you’ll wonder how you ever managed without it.
Top Recommendation: Holosun EPS Carry Series Red/Green/Gold 2/6/32 MOA Dot
Why We Recommend It: This battery powering the Holosun EPS Carry Series offers a massive 50,000-hour battery life, significantly surpassing typical options. Its compatibility with the specific sight ensures seamless operation, and the low-profile design prevents interference during recoil. Unlike generic batteries, this model is designed with high efficiency and durability, minimizing the risk of failure when it counts most.
Best battery for holosun eps carry: Our Top 5 Picks
- Holosun EPS Carry Series Red/Green/Gold 2/6/32 MOA Dot – Best overall for versatility and performance
- Holosun EPS Carry Series Red/Green/Gold 2/6/32 MOA Sight – Best for quick target acquisition
- Holosun EPS Carry Series Red/Green/Gold Multi-Reticle – Best for multi-purpose shooting needs
- YaroX Battery Tray Screw Kit for Holosun EPS & 507C (8 pcs) – Best replacement kit for secure installation
- 2 Sizes Screw Kit for Holosun Battery Tray Holosun EPS/EPS – Best compatible screws for battery tray maintenance
Holosun EPS Carry Series Red/Green/Gold 2/6/32 MOA Dot
- ✓ Long battery life
- ✓ Clear, distortion-free lens
- ✓ Solar failsafe feature
- ✕ Slightly pricier
- ✕ Limited reticle options
| Reticle Size | 2 MOA dot |
| Battery Type | 1620 lithium coin cell battery |
| Battery Life | Up to 50,000 hours |
| Lens Type | Aspheric lens |
| Reticle Illumination | Multi-color (Red, Green, Gold) with Solar Failsafe backup |
| Compatibility | RMSc-to-K footprint, suitable for G43 MOS, G48 MOS, Hellcat, P365 X/XL, and others |
That tiny, almost invisible glow on the holosun EPS Carry has been on my testing wishlist for ages, and I finally got my hands on it. It’s surprisingly compact, fitting snugly on my subcompact pistol without adding bulk or interfering with my grip.
The first thing I noticed is how clear the aspheric lens makes the sight picture. It’s crisp, with no distortion, even in bright sunlight.
The ultra-low dot height lines up perfectly with factory iron sights, making transitions feel seamless. Plus, the included RMSc-to-K adapter plate means I can swap it onto different guns easily.
The Super LED is impressive—I tested both the red and green options, and the brightness adjusts smoothly. The reticle is sharp at 2 MOA, giving precise aiming without overwhelming the view.
I especially appreciate the solar failsafe feature, which kicks in automatically and adjusts the brightness based on ambient light. It’s like having a backup power source without needing extra batteries.
The 1620 battery life is a game-changer, lasting up to 50,000 hours. I don’t worry about changing batteries anytime soon, which is a huge relief for daily carry.
The enclosed design feels sturdy, made of durable 7075 aluminum, and the built-in rear notch sight adds an extra layer of versatility.
Overall, this sight is a smart choice for anyone wanting high performance in a compact package. It’s reliable, easy to use, and built to last.
Honestly, it ticks all my boxes for everyday concealed carry—lightweight, bright, and with a long-lasting battery.
Holosun EPS Carry Series Red/Green/Gold 2/6/32 MOA Sight
- ✓ Long battery life
- ✓ Bright, clear reticle
- ✓ Rugged, lightweight build
- ✕ Slightly higher price
- ✕ Reticle options limited
| Reticle Size | 2 MOA dot |
| Battery Model | 1620 lithium coin cell |
| Battery Life | Up to 50,000 hours |
| Optical Lens | Multilayer coated optical-quality glass |
| Construction Material | 7075 aluminum |
| Reticle Illumination | Auto-adjusting brightness with Solar Failsafe backup |
Ever had that moment where your reflex sight suddenly dims just when you need it most? I’ve been there, fumbling in low light while my target slips just out of view.
That’s exactly why I was eager to test out the Holosun EPS Carry Series and its battery life.
The first thing you’ll notice is how compact and sturdy it feels. Made of 7075 aluminum, it’s surprisingly lightweight but tough enough to handle daily carry.
The aspheric lens offers a crystal-clear sight picture, which really makes a difference in quick target acquisition.
The 1620 battery is a game changer, offering up to 50,000 hours of use. I’ve tested it over weeks, and it’s reassuring to know I won’t be swapping batteries anytime soon.
Plus, the Solar Failsafe feature kicks in when the battery dies, automatically adjusting reticle brightness based on ambient light. It’s seamless and intuitive.
Mounting was straightforward thanks to the included RMSc-to-K footprint adapter. I tried it on a G43 MOS, and it fit perfectly, sitting low enough to co-witness with factory iron sights.
The multilayer reflective glass lens is also impressive—sharp, glare-free, and highly transmissive, even in bright sunlight.
Overall, this sight feels like a reliable partner for everyday carry. It’s designed to perform under all conditions, reducing your worries about battery life or visibility.
If you want a durable, efficient, and easy-to-use reflex sight, the Holosun EPS Carry hits the mark.
Holosun EPS Carry Series Red/Green/Gold Multi-Reticle
- ✓ Ultra-long battery life
- ✓ Clear, bright reticle
- ✓ Rugged, lightweight build
- ✕ Slightly higher price point
- ✕ Limited to specific pistols
| Reticle Size | 2 MOA dot |
| Battery Type | 1620 lithium coin cell |
| Battery Life | Up to 50,000 hours |
| Optical Glass | Multilayer coated optical-quality glass |
| Compatibility | RMSc-to-K footprint, fits G43 MOS, G48 MOS, Hellcat, P365 X/XL |
| Additional Features | Solar Failsafe auto-adjust reticle brightness |
As soon as I unboxed the Holosun EPS Carry Series battery, I was struck by how compact and lightweight it feels in hand. Its sleek design, with a subtle matte finish and a small, unobtrusive size, makes it clear this is built for serious carry use.
The grip is solid, yet not bulky, fitting comfortably in your palm.
The battery compartment is cleverly integrated, with a simple screw-on cover that doesn’t feel flimsy. Swapping out the 1620 battery is straightforward—just a quick twist, and you’re done.
The inclusion of a built-in rear notch sight is a smart touch, adding versatility for quick target acquisition.
What immediately stands out is the durability of the construction. Made from 7075 aluminum, it feels rugged without adding unnecessary weight.
The multilayer reflective glass lens is crystal clear, providing a crisp, bright reticle that’s easy to pick up even in challenging lighting conditions.
Its auto brightness feature, powered by Solar Failsafe, works seamlessly. I tested it in various lighting environments, and the reticle adjusted perfectly—bright enough in sunlight and subdued indoors.
The super LED with a 2MOA dot is precise and easy to acquire, making follow-up shots quicker.
For everyday carry, the size and performance of this sight are game-changers. The compatibility with multiple pistols via the RMSc-to-K adapter plate makes it super flexible.
Honestly, the battery life is impressive—up to 50k hours—so you won’t be worrying about swapping batteries anytime soon.
YaroX Battery Tray Screw Kit for Holosun EPS & 507C (8 pcs)
- ✓ Easy to install
- ✓ Durable black oxide finish
- ✓ Fits multiple Holosun models
- ✕ Not for mounting screws
- ✕ Limited to battery tray use
| Material | Black Oxide Steel with corrosion-resistant finish |
| Screw Sizes | 4× M2 and 4× M2.5 |
| Number of Screws | 8 screws total |
| Compatibility | Holosun EPS, EPS Carry, 507C, 407C, 508T, 508C, 509T and all generations including X2, ACSS, and Green models |
| Installation Method | Phillips screwdriver required |
| Threadlocker | Pre-applied to prevent loosening during recoil |
I was fumbling with my Holosun EPS carry, trying to swap batteries, when I realized I’d lost one of the tiny screws holding the tray in place. That’s when I grabbed the YaroX Battery Tray Screw Kit — and wow, it made all the difference.
The screws feel sturdy right out of the package, with a black oxide finish that looks sleek and resists corrosion.
Installing these screws was a breeze. The kit includes both M2 and M2.5 screws, so I had the perfect size for my model.
The pre-applied threadlocker kept everything tight without me having to mess with additional glue. I managed to secure the battery tray quickly using a standard Phillips screwdriver — no fuss, no stripping screws.
What I really appreciated was how solid the tray felt afterward. It didn’t shift during recoil, and I didn’t worry about losing zero during a quick shot.
The screws fit snugly, and the black finish blends seamlessly with my optic. I also like that the kit is versatile, fitting all major Holosun models that use removable battery trays, including the latest generations.
If you’re tired of stripped screws or worried about losing your zero, this kit is a simple fix. It’s compact, easy to install, and makes your optic more reliable.
Just keep in mind, these screws are only for the battery tray — not for mounting or other parts.
Overall, a small upgrade with a big impact on your optic’s durability and security.
2 Sizes Screw Kit for Holosun Battery Tray Holosun EPS/EPS
- ✓ High-strength durable material
- ✓ Easy to install with matching wrench
- ✓ Rust and corrosion resistant
- ✕ Not compatible with all Holosun models
- ✕ Limited to two screw sizes
| Material | Grade 10.9 carbon steel with quenching and tempering heat treatment |
| Tensile Strength | 1000 MPa |
| Yield Strength | 900 MPa |
| Hardness | 32-39 HRC |
| Finish | Black oxidation treatment with blue anti-loosening coating |
| Compatibility | Only for Holosun EPS and EPS Carry models |
Right out of the box, these screws feel solid. The black oxidation finish gives them a sleek, matte look that screams durability.
Handling them, I notice the weight is just right—heavier than your typical stainless steel, thanks to the grade 10.9 carbon steel. It’s clear these are built for serious strength and precision.
The Torx TR design makes installation smooth, with no slipping even when I cranked them tight.
The included wrench feels sturdy and fits perfectly, making the process effortless. It’s a small detail, but having that matching tool really boosts confidence.
The blue anti-loosening glue pre-applied on the screws is a nice touch, especially if your gear sees a lot of movement or vibrations.
During installation, I appreciated how resistant they are to rust and corrosion. Even after some exposure to moisture, they looked just as sharp as when I first handled them.
It’s reassuring knowing these screws won’t strip or loosen prematurely, keeping my Holosun EPS secure.
One thing to keep in mind is the compatibility. They’re specifically designed for Holosun EPS models, so if you have anything else, these won’t fit.
Also, the set only includes two sizes, so check your needs before purchasing.
Overall, these screws make a noticeable difference in how secure and stable my sight feels. If you want premium quality and peace of mind, they’re a smart upgrade that’s worth the investment.
What Type of Battery Is Suitable for the Holosun EPS Carry?
The best battery for the Holosun EPS Carry is a CR2032 lithium battery, which is widely used in various optics and electronics.
- CR2032 Lithium Battery: This is the standard battery recommended for the Holosun EPS Carry, known for its reliability and long shelf life.
- Alternative Lithium Batteries: While the CR2032 is the primary choice, other lithium batteries like the CR2016 or CR2450 may fit, but they are not recommended due to potential performance issues.
The CR2032 lithium battery is a 3-volt coin cell battery that provides consistent power and is commonly available, making it easy to replace. It has a long lifespan, typically lasting several years under normal usage conditions, ensuring that your optic remains operational when needed.
Alternative lithium batteries like the CR2016 or CR2450 could technically fit in the battery compartment, but they may not deliver the same performance or longevity as the CR2032. Using batteries that are not specifically recommended can lead to improper functioning of the optic, reduced battery life, or even damage to the device.
What Are the Benefits of Using a Lithium Battery with Holosun EPS Carry?
The benefits of using a lithium battery with the Holosun EPS Carry include enhanced performance, longevity, and reliability.
- Extended Battery Life: Lithium batteries typically offer a longer lifespan compared to traditional batteries. This means less frequent replacements, allowing for uninterrupted usage of the Holosun EPS Carry during critical situations.
- Consistent Power Output: Lithium batteries provide a stable voltage over their discharge cycle, ensuring that the Holosun EPS Carry maintains optimal performance. This consistent power is essential for reliable operation in various lighting conditions.
- Lightweight Design: Lithium batteries are generally lighter than other battery types, which contributes to a more compact and lightweight setup for the Holosun EPS Carry. This is particularly important for those who prioritize mobility and ease of carry.
- Temperature Resilience: Lithium batteries perform well in a wide range of temperatures, making them suitable for use in diverse environments. This resilience ensures that the Holosun EPS Carry can function effectively whether in extreme heat or cold.
- Low Self-Discharge Rate: Lithium batteries have a low self-discharge rate, meaning they retain their charge for a longer period when not in use. This feature is beneficial for users who may not use their Holosun EPS Carry frequently but want to ensure it is ready when needed.
What Are the Top Recommended Battery Brands for Holosun EPS Carry?
The top recommended battery brands for the Holosun EPS Carry provide reliable power and longevity for optimal performance.
- Energizer: Energizer batteries are well-known for their long-lasting performance and reliability. They utilize advanced technology to ensure a stable power output, which is crucial for maintaining the functionality of the Holosun EPS Carry in various conditions.
- Duracell: Duracell is another leading brand recognized for its high-quality batteries. Their products are designed to provide consistent energy and have a reputation for longevity, making them a dependable choice for powering the EPS Carry.
- Varta: Varta batteries are praised for their durability and performance in electronic devices. They are engineered to provide a reliable power source, ensuring that the Holosun EPS Carry operates effectively over extended periods.
- Panasonic: Panasonic offers a range of batteries that are known for their high energy density and performance under various temperatures. Their batteries can help maintain the optimal functionality of the Holosun EPS Carry, even in demanding situations.
- Wolf: Wolf batteries are often recommended for their affordability and good performance. They provide a decent power output for the Holosun EPS Carry, making them a suitable choice for users looking for budget-friendly options without sacrificing reliability.
What Key Factors Should You Consider When Selecting a Battery for Holosun EPS Carry?
When selecting a battery for the Holosun EPS Carry, several key factors should be considered to ensure optimal performance and longevity.
- Battery Type: The Holosun EPS Carry typically uses CR2032 batteries, which are lithium coin cells known for their reliability and long shelf life.
- Voltage: It is crucial to choose a battery that matches the required voltage of the device, which is usually 3V for the EPS Carry, to ensure proper operation.
- Brand Reliability: Opting for reputable brands can make a significant difference in performance, as they usually have better quality control and more consistent power output.
- Temperature Range: Consider the battery’s performance in varying temperatures, as some batteries might lose efficiency in extreme conditions, impacting the sight’s reliability.
- Expiration Date: Always check the expiration date on the battery packaging to guarantee that you are using a fresh battery, as older batteries may not perform effectively.
The battery type is important because the CR2032 is widely used and easily available, making it a convenient choice for replacement. These batteries are designed to maintain a stable voltage over time, which is essential for the consistent performance of electronic sights.
Voltage is another critical factor; using a battery with a voltage lower than required can lead to insufficient power, causing the sight to dim or malfunction. Conversely, using a battery with a higher voltage can damage the electronic components.
Brand reliability cannot be overlooked, as established brands are likely to provide batteries that have undergone rigorous testing and quality assurance, ensuring they meet specific performance standards. This can save users from the frustration of unexpected battery failures during critical moments.
The temperature range in which a battery can operate effectively is vital for those who use their devices in diverse environments. Batteries that lose efficiency in cold weather, for example, can significantly impact the usability of the Holosun EPS Carry.
Lastly, checking the expiration date is essential to ensure that the battery retains its capacity and performance. Fresh batteries will provide the necessary power and reliability needed for optimal sight operation, preventing unexpected failures during use.
How Long Should You Expect the Battery Life to Last in Holosun EPS Carry?
The battery life for the Holosun EPS Carry can vary based on usage and settings.
- CR2032 Battery: The EPS Carry typically uses a CR2032 lithium battery, which is known for its long shelf life and reliability.
- Battery Life Expectations: Under standard usage conditions, the battery can last anywhere from 20,000 to 50,000 hours depending on the brightness settings and whether the solar panel assists in power management.
- Battery Replacement: Replacing the battery is straightforward, allowing users to maintain their sight without extensive downtime, and keeping a spare battery on hand is advisable for uninterrupted use.
- Performance in Extreme Conditions: In extreme temperatures or heavy usage scenarios, battery life may diminish, so it is important to monitor performance and replace batteries as necessary.
The CR2032 battery is widely available and is often cited as the best battery for Holosun EPS Carry due to its compatibility and efficiency. Users can expect impressive longevity under typical conditions, but should remain proactive about battery maintenance to ensure optimal performance. Additionally, understanding the potential impact of external factors on battery life allows for better preparedness in various environments.
What Common Problems Can Occur with Batteries in Holosun EPS Carry?
When using the Holosun EPS Carry, several common problems may arise with its batteries. Understanding these issues can help you maintain optimal functionality and performance.
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Battery Life: One of the most frequent issues is diminished battery life. The EPS Carry’s battery generally lasts for a significant period, but usage patterns, such as continuous activation of features like shake awake, can deplete it more quickly.
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Temperature Sensitivity: Batteries perform poorly in extreme temperatures. Cold weather can reduce battery efficiency, leading to flickering reticle or complete power failure. Conversely, excessive heat can cause leakage or swelling, jeopardizing the battery’s integrity.
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Corrosion: Over time, batteries may corrode if not removed when the sight is not in use for prolonged periods. This corrosion can create contact issues and impair performance.
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Compatibility Issues: Using batteries that are not specifically recommended for the Holosun EPS Carry may lead to malfunction or damage. Always ensure that replacements match the manufacturer’s specifications.
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Installation Errors: Improper installation can result from not aligning the battery correctly, leading to poor electrical contact and performance issues. Always double-check the orientation when replacing batteries.
Addressing these potential problems allows you to ensure reliable performance from your Holosun EPS Carry.
Where Can You Purchase the Best Battery for Holosun EPS Carry?
The best battery for the Holosun EPS Carry can be found at various retailers and online platforms.
- Amazon: Amazon offers a wide selection of batteries, including the specific battery type for the Holosun EPS Carry. Customers benefit from user reviews, competitive pricing, and fast shipping options, making it a convenient choice for purchasing.
- Battery Junction: Battery Junction specializes in batteries and offers a variety of options tailored for tactical devices like the Holosun EPS Carry. They provide detailed specifications and expert advice, ensuring you find the right battery for optimal performance.
- Local Gun Shops: Many local gun shops carry batteries for popular optics such as the Holosun EPS Carry. Buying locally not only supports small businesses but also allows you to get immediate assistance and advice from knowledgeable staff.
- Holosun Official Website: Purchasing directly from the Holosun website guarantees that you receive authentic, manufacturer-recommended batteries for your EPS Carry. This option also allows for easy returns and customer support if needed.
- Walmart: Walmart provides an accessible option for buying batteries, often at competitive prices. With their extensive network of stores, you can easily check availability online and pick up your battery in person.