20,000 Hours of Battery Life; This Micro Red Dot is assembled in the USA and has a tentative MSRP of $199.99 making it very competitive with other popular red dots on the market currently. These will likely be shipping sometime mid-summer; potentially end of July or August. installation: SIG Sauer ROMEOZero Micro Red DotBATTERY. RETICLE. OVERALL LENGTH. OVERALL WIDTH. HEIGHT. WEIGHT. WATERPROOFING. ILLUMINATION SETTINGS. TOTAL ELEVATION TRAVEL. RUN …So, I am not happy with the Romeo Zero battery life or CS. Sig advertises battery life is 20000 hours. Mine died after about 3000 hours. Sig P226 AS Elite. Sig 1911 Ultra 45acp. Sig P365. Share. Like. Sort by Oldest first.Search Results T & S Power Equipment Olmsted Falls, OH (440) 235-4317Install the Battery Cap by turning “right” (clock-wise) until tight. Use caution when starting the Battery Cap to prevent damage to the Battery Cap threads. Optimal torque for tightening the battery cap is between 10-12 in-lbs. You should check the battery cap approximately every 500 rounds to ensure it is still tight.This video covers how to install/ replace the battery in your Sig P365. How to instal a shroud to it and how to instal the actual sight.Adjusting the brightness is awkward. You have to reach in to the optic and press a button while inevitably smudging the lens. You also have to cycle all the way through the brightness settings to get the one you want. The brightness thing is the most annoying thing for me. 3.SKU. RX FOOTPRINT. COLOR. MAGNIFICATION. OBJECTIVE LENS DIAMETER. BATTERY. RETICLE. OVERALL LENGTH. OVERALL WIDTH. HEIGHT. WEIGHT. ILLUMINATION SETTINGS. RUN TIME. Add to Cart. $179.99. or 4 interest-free payments of $45.00 with. ⓘ. SOR01030.Sig Romeo 0 Battery dead after a month. I had two of them break on me within 3 months. They’re hit or miss on quality. My battery died after two months. Somebody on another thread said they put the Swiss battery (Renata) on a voltmeter and it was only pushing .95v, so I replaced it with a Duracell battery.16 Oct 2020 ... In this video, Chandler goes into detail on how he upgraded his SIG Romeo Zero Red Dot Sight with an accessory not many know about.Battery Issues. Another common issue with the Sig Romeo Zero is battery failure or drainage. Some users have reported that the sight drains batteries quickly, even when turned off, while others have experienced issues with the sight not turning on at all. Solution: Ensure that you are using high-quality batteries and replace them regularly to ...Battery: CR1632 Reticle: 3 MOA Red Dot Objective Lens: 24mm Overall Lenght: 1.6 " ... Aspherical Glass Lens with Zero Distortion; Circle-Dot or Single Dot Reticles For Fast Target Acquisition; T.A.P. (Touch-Activated …Passwordless tech is a key part of zero trust models. “There is no doubt that over time, people are going to rely less and less on passwords… they just don’t meet the challenge for...KIT INCLUDES: Sig Sauer ROMEO ZERO Reflex Red Dot Sight, 1X18MM, Black | 2 CR1632 Coin Batteries | Lens Cleaning Cloth | Lens Cleaning Pen | 5 Year Electronic Limited Warranty | Lifetime Warranty. 8 TIMES MORE EFFICIENT: Highly efficient, point source LED emitter for a crisp dot that is 8 times more efficient than conventional red dots.11 Aug 2020 ... Both of these red dot sights have worked well for me on my P365XL, but the Holosun would be my choice without question if I had to choose ...In terms of battery life, the HS507K claims a longer life span with up to 50,000 hours compared to Romeo Zero’s 20,000+ hours. Performance and Usability Both sights possess motion activation technology to conserve battery life, but the HS507K offers more reticle choices, providing increased flexibility in different shooting scenarios.The Romeo Zero and the Elite are the only SIG optics I shy away from. Bad battery position, plastic lens on the Zero is a non starter, IMO. Glass lens on the Elite, doesn’t change my opinion, still bad battery location. Holosun is …4 Apr 2020 ... ... battery to disconnect itself. I will be testing the Shield SMSc next. Personally, I wouldn't recommend this optic for the Springfield ...2 posts · Joined 2022. #1 · Mar 9, 2022. Howdy! I recently got a P365XL with the RomeoZero. The battery was dead when I picked it up. No big deal, it came with an extra. I replaced it, zeroed it and was happy. Three days, and no dot; battery dead. I hoped it was an old cheapo battery so I bought of box of Duracell batteries, replaced and zeroed.Jan 6, 2024 · The Romeo Zero offers both a 3 MOA and 6 MOA dot reticle allowing shooters to choose the option best suited for their application. The adjustable dot brightness and crisp sight picture make targets easy to acquire. Extremely Long 10+ Year Battery Life. A CR1632 battery powers the Romeo Zero for an estimated 20,000 hours of runtime. Shop OPMOD SIG SAUER ROMEO Zero Elite 1x24mm Reflex Red Dot Sight | 4.4 Star Rating on 24 Reviews for OPMOD SIG SAUER ROMEO Zero Elite 1x24mm Reflex Red Dot Sight On Sale + Free Shipping over $49. ... Battery Type: CR1632 w/ Free Shipping — 2 models. 4.4 rating with 24 reviews review & rate 0 Questions & 0 Answers SIG SAUER …Mar 16, 2024 · Compact ad practical…. With fixed 1x magnification and a 24mm objective lens, this LED red dot illuminated sight is acceptably robust. Dimension-wise it is (LxWxH) 1.6 x 0.93 x 0.93 inches and weighs in at 0.4 ounces. This quality optic is 6 MOA (Minute Of Angle), adjustable, and parallax free. Sep 6, 2019 · SIG SAUER ROMEO ZERO MICRO REFLEX SGT 6MOA BLK : Color BLACK : Material Aluminum : Suggested Users unisex-adult : Number of Items 1 : Manufacturer SIG SAUER : Part Number SOR01600 : Style Romeo Zero Micro Reflex : Included Components Romeo Zero Micro Reflex SGT 6MOA : Size 6 MOA : Sport Type Hunting, Airsoft ... The Insider Trading Activity of Townsend Battery Partners, LLC on Markets Insider. Indices Commodities Currencies StocksSig P365XL with Romeo Zero burning through batteries. I have enjoyed my Sig P365XL with a factory-installed Romeo Zero red dot sight for about six months - it’s a great pistol and the sight works well, when it works. I’ve burned through three CR1632 lithium batteries, with is just not right when the sight is rated for 20K hours.Nov 10, 2020 · 96. Boerne. F350-6 said: I got a Romeo Zero from Academy the last part of August to put on my P365XL. I went ahead and picked up (2) Energizer CR 1632 batteries at the same time to be on the safe side. Supposedly these batteries will last up to 10 years in the Romeo Zero. I put the Energizer in the sight on install just to be safe. The Bottom Line. In conclusion, the SIG SAUER Romeo Zero Elite Reflex Sight is a high-performance sight that offers a host of premium features. From its impressive battery life to its robust construction, this sight is designed to deliver reliable performance in any shooting scenario. Whether you’re a competitive shooter or a self-defense ...11 Mar 2017 ... Sig Sauer P320 RX Romeo 1 Battery Life = 1 week? Initial YouTube video: https://www.youtube.com/watch?v=tsq2ZvjRYr4 For the most comfortable ...The Romeo Zero’s Motion Activated Illumination (MOTAC) technology, which helps to preserve battery capacity by instantaneously turning off the sight when not in use, is among its standout features. The Holosun 507k X2 is a portable, lightweight sight that provides a clear reticle, a wide field of view, and a special multi-reticle system that ...Battery life is critical for any optic, and the Romeo Zero excels in this area. With an extended battery life, users can rely on the sight to perform consistently over prolonged periods. The combination of advanced technology, solid build quality, and user-centric features makes the Romeo Zero a standout choice among red dot sights.11 posts · Joined 2020. #1 · Dec 19, 2022. Looking to see if this is normal. I purchased a new P365X slide with the suppressor height sights and the romeo zero elite sight this past summer and had to replace the original battery after about 3 months. Replaced it with an energizer battery in October and the sight has already died again.11 Aug 2020 ... Both of these red dot sights have worked well for me on my P365XL, but the Holosun would be my choice without question if I had to choose ...Remove the Battery Cap by turning “left” (counter-clockwise) using the retractable flat tip end of the Adjustment Tool. Alternately, you may remove the Battery Cap by using a properly sized flat tip screw driver. Install the CR1632 battery with the positive (+) side facing up. Install the Battery Cap by turning “right” (clockwise) until ... Magnification Type Fixed. Quantity 1. Attachment/Mount Type Screw. Optic Cut Shield RMSc. $239.99 (Save 36%) 1 out of 5 models SIG SAUER Romeo Zero Elite 1x24mm Reflex Sight, 3 MOA Red Dot, — Color: Black, Fabric/Material: Carbon-Infused Weapons Grade Ultralight Polymer, Magnification: 1 x. It's still a few weeks away, but we already have a pretty good picture of the iPhone 14's battery life, size, and other specs. One of the most pressing questions when Apple reveals...TLS/SSL Decryption is a central pillar to the Zero Trust Security Model as it helps prevent the blind spots created by encryption. Get free API security automated scan in minutesThe ROMEOZero is rugged and has a 20,000-hour battery life. The rear of the sight has a sight notch which lines up perfectly with the XRay3 tritium front sight for co-witnessed backup irons (well, half-iron and half weapons grade polymer). ... Specifications for Sig Sauer Romeo Zero Red Dot Sight: Sight Window: .72″ x .61″ ...Savage Romeo, a rising star in the music industry, has made a name for himself not only through his captivating solo tracks but also through his impressive collaborations with othe...96. Boerne. F350-6 said: I got a Romeo Zero from Academy the last part of August to put on my P365XL. I went ahead and picked up (2) Energizer CR 1632 batteries at the same time to be on the safe side. Supposedly these batteries will last up to 10 years in the Romeo Zero. I put the Energizer in the sight on install just to be safe.Bud's Item #. 114768. UPC. 798681618965. Manufacturer. Sig Sauer. The Sig ROMEOZero micro reflex sight is the fastest, most accurate, ultra-compact micro reflex sight for everyday concealed carry and pistols with slim slide profiles. The sight features a ruggedized, WeaponsGrade textured polymer body and the SpectraCoat HD Polymer lens system.The ROMEO Zero is a mini red dot sight that has a durable polymer housing and is meant for use on thin pistols like the P365 series and even the 1911. The sight installs with two screws that come down from the top, not the bottom. ... always on, battery on bottom and no mentioned functionality to adjust brightness sounds like a TERRIBLE …Nov 10, 2020 · 96. Boerne. F350-6 said: I got a Romeo Zero from Academy the last part of August to put on my P365XL. I went ahead and picked up (2) Energizer CR 1632 batteries at the same time to be on the safe side. Supposedly these batteries will last up to 10 years in the Romeo Zero. I put the Energizer in the sight on install just to be safe. Here is a quick how to video on changing the 1632 Battery in your Sig Sauer ROMEO ZERO Optic. I take the optic off of my Sig P365XL and quickly swap the …15 Oct 2016 ... Video showing the SIG Optics Romeo1 Reflex sight, explaining it's features, discussing how to properly tighten the battery cap, and showing ...S. sauer372960 Discussion starter. 3 posts · Joined 2021. #1 · Jan 29, 2021. I have a Romeo Zero installed on P365XL. It looks like the motion sensor is very sensitive: all it takes for the red dot to turn on is slight tap on the table on which the gun lies. Under these conditions, it is no wonder the battery dies rather quickly.My dad has the Romeo or and battery last 6 months ... Not everyone has 350 for a reg ass sight, 407s don't hold zero great, are bulky, and have a shity window ...Battery cover is a sticker - SIG SAUER Romeo Zero Red Dot Sight 1x 6 MOA. by AL , Verified Owner from CO, United States Written on July 9, 2021. Review for SIG SAUER Romeo Zero Red Dot Sight 1x 6 MOA. SIG SAUER Romeo Zero Red Dot Sight 1x 6 MOA. As Low As $113.80 Save Up to 58%. View Product.Helpful Positive Review Romeo reflex by Review ... Most Recent Reviews Sig Romero zero by Jon ... Bushnell TRS-25 Trophy Series 1x25 Red Dot Scope 731303 w/ Battery (252) $140.95 ...Oct 21, 2022 · The slightly better Romeo Zero Elite starts at just over $200 and has all the same features as the Romeo Zero (size, battery life, etc.) but offers a 2 MOA red dot/ 32 MOA circle dot or 3 MOA red dot. The CR1632 battery is loaded at the bottom, meaning that the Romeo Zero must be removed from the slide to replace and therefore will need to be re-zeroed. Thankfully the battery life is good, and when paired with the MOTAC technology, it should last a few years on a single battery. I will still be replacing it every year.Here is a quick how to video on changing the 1632 Battery in your Sig Sauer ROMEO ZERO Optic. I take the optic off of my Sig P365XL and quickly swap the battery to a new fresh battery. The process is pretty straight forward and just requires a 2mm Allen Wrench (or you can get by with a 5/64″ wrench). Features of Sig Romeo Zero 3MOA Red Shot Sight Excellent Design. One thing that will surely make you love the Sig Romeo Zero 3MOA Red Shot Sight is the small lightweight and everyday carry. Its Motac also preserves battery life and has a motion sensor that detects motion from a distance. The P365XROMEOZero Elite maintains the crisp, clean P365 trigger pull that compliments the inherent accuracy improvement of a red dot-equipped pistol. Never has so much versatility and capability been squeezed into such a perfectly concealable size. X 365 Grip Module. ROMEOZero Elite Installed From The Factory. My suspicion would be the optic isn't fully secured. The battery door, so I could change batteries without re-zeroing is a selling point for a holosun optic imo. First thing I would do is remount the thing, which WILL require a re-zero with the suspicion that it wasn't fully secured, and that opening the battery door caused the optic to move.Examples of paradoxes in “Romeo and Juliet” include when Romeo says that his eyes cannot mislead him in manners of love, and when Friar Lawrence describes the earth as nature’s tom...The Sig Romeo Zero ( Check Price On Amazon – Over 360 Reviews) So in this Holosun 507k Vs Romeo Zero comparison, we’re going to see how these two little optics stack up to each other in the following 6 categories…. Durability And Toughness. Lens Clarity And Reticle. Size Comparison.Jan 10, 2020 · The dot comes mounted, you get a spare battery, some literature on the sight specifically, standard Sig manual, stickers, lock, lube and chamber flag. You also of course get the gun and 2 twelve round magazines. Before we get to if it works, does it look cool: So the Zero fits in the gun cut out very well length wise, and looks good on the gun ... HIGH PERFORMANCE - The SIG SAUER Red Dot Sight has a molded glass aspheric lens, providing superior light transmittance and zero distortion; The TruHold Lockless Zeroing System and the Motion Activated Illumination System increase performance and accuracyRomeo Zero Battery Issues. Well, I posted in here a little over a week ago about my Romeo Zero Elites battery life, and after a week with a brand new battery, its dead. 4x quicker than with the old battery. Going to send it back, could someone tell me the easiest way to get in contact with Sig for the warranty? What types of batteries did you use?Acquisition will secure control of critical battery pack engineering and production process Transaction expected to yield annual cost savings of up to $350 million by 2026 Romeo’s Cypress, California facility will become Nikola’s Battery Center of Excellence Nikola to host analyst and investor webcast on August 1 at 11:00 a.m. … SIG SAUER ROMEO Zero Elite 1x24mm Reflex Red Dot Sight, Color: Black, Battery Type: CR1632, Lithium, Includes Blazin' Deal w/ Free S&H — 4 models 2.9 rating with 33 reviews review & rate 36 Questions & 41 Answers Shop SIG SAUER Romeo Zero Red Dot Sight 1x 6 MOA | Up to 58% Off Highly Rated on 195 Reviews for SIG SAUER Romeo Zero Red Dot Sight 1x 6 MOA Blazin' Deal + Free Shipping over $49. ... Once fired the recoil possibly disengages the battery which shuts off the dot. Have to take it apart and reset in order to fix, just for the issue to persist. ...Oct 10, 2020 · A decent Fat Wrench is usually around $49.99 online and is a very valuable tool. In absence of that, try this: using the Allen wrench included with the ROMEOZero, screw the mounting screws down until they make firm contact with the housing. Then turn another 3/4 to 1 full turn (270-360 degrees of the wrench). Final Verdict. Both the Holosun 507k and the Sig Romeo Zero offer unique advantages as compact optics for single-stack concealed carry pistols. The Holosun 507k outshines the Romeo Zero in durability, lens clarity, reticle options, battery life, and included accessories. However, the Sig Romeo Zero emerges as the winner in terms of …The most common issues with SIG Romeo Zero are the red dot problem, no cover plate sight issue, brightness button placement, poor build and co-witnessing issues. I will give you the solution to these common issues in this article. Additionally, you will get authentic reviews from users as well. So, stay tuned!11 posts · Joined 2020. #1 · Dec 19, 2022. Looking to see if this is normal. I purchased a new P365X slide with the suppressor height sights and the romeo zero elite sight this past summer and had to replace the original battery after about 3 months. Replaced it with an energizer battery in October and the sight has already died again.The Sig Sauer® ROMEOZero Pro 1x30mm 2 MOA Red Dot Open Reflex Sight features a rugged, yet lightweight carbon-infused polymer body and a hardened steel shroud, coupled with a large, SpectraCoat™-finished, 30mm aspherical lens made of scratch-resistant glass for unmatched strength, clarity, and reliability in virtually any tactical environment.Please subscribe The P365XROMEOZero Elite maintains the crisp, clean P365 trigger pull that compliments the inherent accuracy improvement of a red dot-equipped pistol. Never has so much versatility and capability been squeezed into such a perfectly concealable size. X 365 Grip Module. ROMEOZero Elite Installed From The Factory. 303 posts · Joined 2014. #19 · Apr 26, 2020. My Romeo Zero battery died about a month after I bought it and about 600rds down range, the battery that came with it brand name Renata (Swiss Made). I took the battery out and put a meter to it and it was reading .95v, it should have been around 3v.Battery life is critical for any optic, and the Romeo Zero excels in this area. With an extended battery life, users can rely on the sight to perform consistently over …Here’s a quick and easy-to-follow table outlining the 5 common problems with the Sig Romeo Zero and their respective solutions: Ensure the battery is snugly in place and tighten any loose screws. Consider using a higher-quality battery for better performance. Adjust the brightness level to find the sweet spot that reduces distortion. The most common issues with SIG Romeo Zero are the red dot problem, no cover plate sight issue, brightness button placement, poor build and co-witnessing issues. I will give you the solution to these common issues in this article. Additionally, you will get authentic reviews from users as well. So, stay tuned! One of the most impressive features of the Romeo Zero is its exceptional battery life. With a 10-year battery life, it’s unrivaled in the micro-reflex sight category. This means you can rely on this sight for an extended period without worrying about frequent battery changes. In terms of compatibility, the ROMEO ZERO is a versatile optic.No, you do not. The battery is on the side meaning you should have not removed it from the gun. If that is the case you are good to go. If you don't have a qd mount, yes. It will be pretty close though, I'd you put it back in the same spot. 312K subscribers in the ar15 community. Welcome to r/AR15!The Sig Romeo Zero Battery is a vital component of the Sig Romeo Zero red dot sight. It is a small, coin-cell battery that powers the sight and can be easily replaced by the user. There are two different types of Sig Romeo Zero Batteries: the CR2032 battery and the SR2235 battery.Battery CR1632 Overall Windage Adjustment 50 MOA Overall Elevation Adjustment 50 MOA Brightness Settings 8 Daytime Settings Battery Life Up to 20,000 hours Weight w/o Battery or Shroud 0.5 oz / 14 grams FIGURE 1. FIGURE 2. FIGURE 3. FIGURE 4. FIGURE 5. ROMEOZero–ELITE™ PREMIUM MICRO REFLEX SIGHT ROMEO® C A B E D FSee more videos here: https://kitbadger.com/ And find Kit Badger products here: https://kitbadger.com/shop/ Ballistic Ink T-Shirts: https://ballisticink.com/...Specifications: SIG SAUER ROMEO Zero Specs unknown at press time (it’s that new), but full details should be available soon. Ratings (Out of Five Stars): Accuracy * * * * * The P365XL’s additional sight radius makes for easier shots at distance. The ROMEO Zero is a great, reliable red dot and, while only a prototype, it has great potential ...So got an sig Romeo zero about 3 months ago on Amazon for 60 bucks during “prime day”. Long story short I’ve replaced the battery 3 times in 3 months. Duracell, energizer whatever I put in it dies in 3-4 weeks.
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The Romeo Zero’s Motion Activated Illumination (MOTAC) technology, which helps to preserve battery capacity by instantaneously turning off the sight when not in use, is among its standout features. The Holosun 507k X2 is a portable, lightweight sight that provides a clear reticle, a wide field of view, and a special multi-reticle system that ...It runs on a CR1632 battery. Sig advertises 20,000 hours (2.28 years). In the manual, Sig says "up to 10 years". I can buy that, as the Romeo 0 has 8 brightness settings, ON/OFF capability, and MOTAC (Motion Activated Illumination System). That's a fancy term for "it goes to sleep, and wakes on motion". Given those options, it should be able to ...Romeo Zero Battery Life . I use a Romeo Zero on my 365xl. The battery does not last long at all. I am sure that is because of the shake to wake. What do you other 365xl users use? comments sorted by Best Top New Controversial Q&A Add a Comment ems2doc ...The most common issues with SIG Romeo Zero are the red dot problem, no cover plate sight issue, brightness button placement, poor build and co-witnessing issues. I will give you the solution to these common issues in this article. Additionally, you will get authentic reviews from users as well. So, stay tuned!Battery Life and Power Efficiency. Vortex Defender-CCW: The Defender-CCW boasts a long battery life with an intelligent auto-shutdown feature that helps conserve battery power when the sight is not in use, ensuring it's ready whenever you need it. Romeo Zero: The Romeo Zero is designed with energy efficiency in mind, featuring a CR1632 battery ... The P365XROMEOZero Elite maintains the crisp, clean P365 trigger pull that compliments the inherent accuracy improvement of a red dot-equipped pistol. Never has so much versatility and capability been squeezed into such a perfectly concealable size. X 365 Grip Module. ROMEOZero Elite Installed From The Factory. The Romeo Zero and the Elite are the only SIG optics I shy away from. Bad battery position, plastic lens on the Zero is a non starter, IMO. Glass lens on the Elite, doesn’t change my opinion, still bad battery location. Holosun is the better option, again IMHO.I am surprised to hear from Sig that at full brightness the battery last only 77 hours. I ask if they have a list that details how much battery life is reduced per brightness level and they admit they do have that information, but they do not make it available to the public. They are fully aware that the battery life of this optics is atrocious. 3.Known for its versatility and long battery life, the Holosun 507c offers multiple reticle options and solar fail-safe technology. 4. Leupold DeltaPoint Pro. A choice for precision and clarity, this sight has a wide field of view and crystal-clear optics, making it ideal for competitive shooting. 5. Romeo ZeroThis question is about the Aspiration Zero @CLoop • 02/14/22 This answer was first published on 02/14/22. For the most current information about a financial product, you should alw...Search Results T & S Power Equipment Olmsted Falls, OH (440) 235-4317Features of SIG SAUER ROMEO Zero Elite 1x24mm Reflex Red Dot Sight: Carbon-Infused WeaponsGrade Ultralight Polymer Housing with the ROMEOZero/ Shield RMSc Footprint, Provides Increased Shock and Drop Protection. Compatible with Springfield Hellcat OSP & GLOCK G43X MOS Pistols. Aspherical Glass Lens with Zero Distortion.ROMEOZero Membrane. Replace your old protective membrane that goes between the ROMEOZero and the P365 slide with this factory original one. 0 out of 5 star rating. (0) Write a review. Availability: In Stock. Price $2.99.What’s the battery life of the Romeo Zero? The battery life for the SIG Romeo Zero varies depending on usage. However, it can last up to 10,000 hours in low brightness settings and 2,000 hours in the highest brightness setting. Can I use the Romeo Zero in rain or snow? Yes, the Romeo Zero is designed to be waterproof and fog proof, making it ...Sig Sauer Romeo Zero 1x24mm SpectraCoat Lens HD Lens Ultra-Compact Micro Reflex Sight. Our rating: (4.8 / 5) Check Best Price. As far as made-in-the-USA, well-priced, reliable dot sights go, this Romeo Zero model from Sig Sauer takes some beating. Fast, accurate, and ultra-compact….A1: No, the ROMEO Zero is only compatible with Shield RMS-c and J-Point mounts. It is not compatible with ROMEO1 mounts. Q2: What is the battery life of the ROMEO Zero? A2: The ROMEO Zero boasts an impressive battery life of up to 10 years or 20,000 hours on a single CR1632 3V Lithium Coin battery..