Eotech battery corrosion. does anyone have experience troubleshooting these? i know that they had issues back then with their sights and there was a lawsuit and a recall, but i would rather Nov 14, 2016 · I've got an Eotech 512 mounted on my AR that hasn't been out in a while. I contacted Eotech and they no longer service the 512 but suggested changing the battery contacts and Dec 3, 2015 · When EOtech did a recall on battery disconnects due to unreported parts substitution during manufacturing of their sites, and the U. S. Jul 5, 2009 · The battery acid most likely did not damage the eotech internal, and just damaged the contacts in the battery box. The company in Plymouth Michigan is literally within a few miles and I could even ride my bike there. My older Eotechs use AA, and they now use the CR2. . My Eotech is showing a dim or inconsistent reticle, what should I do? Check the battery and contacts for any corrosion or dirt, and clean or replace as needed. Apr 1, 2023 · The grommet ensured the batteries maintained contact with the terminals, even during recoil. Looked up online and there were ALOT of these issues people were having for their EOTechs over the last decade. Since you are stuck with an old model, I would recommend you send it back to Eotech for warranty repair, they are pretty good about it as long as it is within warranty (2 years). 512/552 Battery Compartment (Post-2009) - 9-N1063 Battery compartment for EOTECH HWS Models 512 & 552 manufactured 2009 and after. Which unit should I get? Apr 22, 2020 · i have an old EoTech 517 on my AR-15, i went to go show it off a little and when i tried to turn on the sight it wouldn't turn on. Ensure your EOTECH piece maintains peak performance. Can I recalibrate my Eotech sight myself? Yes, Eotech provides instructions for recalibration in the user manual or on their The battery was corroded and when I called, eotech said the contacts are bad and I could order the parts for $12. Feb 18, 2024 · Most Eotech sights use CR123A lithium batteries. Oct 20, 2011 · Inspection of EOTech battery contacts Models 512 552 511 551 Remove and set aside the battery compartment. Unlike generic caps, it features a secure fit and durable materials that prevent corrosion and wear, ensuring long-term performance. Both contacts must be bright silver. I know this sounds super OCD, because it probably is and I probably deserve to get made fun of, but just really curious if anyone has any insight. The corrosion doesn't seem terribly significant- usually some mild green "stuff" that comes off easy, but now the left battery contact has completely turned BLACK. Hmmmmm. The HWS is a state of-the-art optical sighting system, employing holographic sighting technology for small to medium caliber weaponry and launching type plat-forms. The contacts on that side were corroded. Find the perfect fit for your EOTECH gear with our comprehensive selection of authentic replacement parts. Nov 15, 2007 · I learned of the issue second hand and have been able to prevent the occurance with my Eotech (s). 9 Star Rating on 13 Reviews for EO Tech Holosight Battery Compartment Repair Kit Pre 2009 + Free Shipping over $49. Anybody else Feb 18, 2024 · To change the batteries on an Eotech sight, simply open the battery compartment, remove the old batteries, and then insert the new ones following the correct polarity. Jan 22, 2014 · Quoted: i sent my 512 back to eotech for the same thing (AA batteries). they replaced the battery cover under warranty and instructed me to use lithium batteries from then on. The battery was briefly on the inside of the soft case that held the rifle…. They are just below the front glass on the outside of the sight body surrounded by a rubber gasket. This HWS Battery Cap Repair 2107 from EOTech is available for EOTech HWS 512 and EOTech 552 Holosight. It's an older model from late 2003. EOTech Battery Repair Kits are made with the same rugged durability and construction quality as you come to expect from EOTech Holosight components. The eotech (and battery before I discovered the discoloration) are fully functional fwiw Apr 17, 2009 · The newer Eotech XPS has a horizontally oriented battery box to fix this issue. Hopefully cleaning or replacing the battery box will fix your problem. Close the battery compartment and your Eotech sight should be ready to use with fresh batteries. Military caught them at it, I decided to dump mine. Immediately, I thought it must be the batteries, so put Check great and honest reviews! Shop EO Tech Holosight Battery Compartment Repair Kit Pre 2009 | 4. Jul 30, 2021 · Firearm Discussion and Resources from AR-15, AK-47, Handguns and more! Buy, Sell, and Trade your Firearms and Gear. Is the Eotech 512 water-resistant? Yes, the Eotech 512 is water-resistant. I pulled it out the other day to check function and batteries, but couldn't get it to power on. Do not use deteriorated or corroded batteries Inspect battery for rips, tears, or cuts in the housing If there is any exposed, internal content of the battery, it could potentially affect the operation of the sight In this video, we walk you through how to inspect, clean, and/or replace the battery contacts on the 511, 512, 551, and 552 EOTECH models. Sep 10, 2019 · EOTech HWS Battery Repair Kit 9-2107a gets your Holosight back in the action. The HWS utilizes holographic . A total redesign of the Eotech optics changed the battery position to be 90* to the barrel instead of parallel, but that resulted in a different battery being used. I contacted L3-Communications about repair but am wondering if this is likely to happen Jul 28, 2025 · Top Recommendation: EOTECH Battery Cap for 512/552 Sights 9-N1063 – Post January Why We Recommend It: This battery cap offers top-quality construction designed specifically for EOTECH 512 and 552 sights. Fast Nationwide delivery available. The battery compartment is free from corrosion. I emailed Eotech and Energizer this morning and explained to them what happened. BatteryGuy 3 Volt 1500 mAh replacement battery for Eotech XPS3-2. It had been sitting for a while without batteries in it to avoid corrosion. In other words, it seems to be draining the batteries without even being on. The last two sets of batteries have drained within 48 hours of being installed, and with less than an hour of use on each set. Feb 18, 2024 · How to repair corroded battery compartment on Eotech? To repair a corroded battery compartment on an Eotech, start by removing the batteries and cleaning the compartment with a cotton swab dipped in vinegar or lemon juice. 8. Apr 30, 2018 · Leave your AA batteries in your EOTech to the point the battery started to leak? Now stocking repair parts for EOTech sights. Only $1. Is the Eotech 512 compatible with any rifle? The Eotech 512 can be attached to any rifle with either a Picatinny or Weaver Aug 19, 2025 · The engineering behind the EOTECH Battery Cap for 512/552 Sights 9-N1063 represents a genuine breakthrough because it simplifies battery replacement while Aug 19, 2025 · The engineering behind the EOTECH Battery Cap for 512/552 Sights 9-N1063 represents a genuine breakthrough because it simplifies battery replacement while May 29, 2024 · Recently put new batteries in my Eotech 512. 1. Honestly, I've never fired it since I traded for it a while back. The only preventative solution is to store without batteries or change fequently if you are using it on a ready weapon. I tried several different sets of AA batteries and it will Not power up. I have a pre-2009 512 EOTech and the battery compartment got hit with some corrosion after I accidentally left the batteries in it for an extended period of time. Feb 14, 2012 · I purchased an EOTech 512 Revision F about 6 years ago. 48. 1 General Information This manual is an overview of the XPS2 HWS (Holographic Weapon Sight), and will define the basic operation, features/benefits, and options of this proprietary optical system. For the second time now I have noticed corrosion on the left (top view) of my EoTech 552 after leaving the batteries in it for 72 hours. Examine the contacts on the sight which are now visible with the battery compartment removed. You can experience unmatched accuracy and durability with EOTECH. OR! I can return it and they will issue me a coupon for 50% off a new unit of my choice. EOTech Battery Compartment Repair Kit - 512/552 - Pre-2009 EOTech Contact Replacement Kit - 511/512/551/552 EOTech Replacement Battery Cap - 512/552 - Pre-2009 Dec 26, 2023 · What is the Eotech 512’s battery life? Two AA batteries are used to power the Eotech 512, and they can be used continuously for about 1,000 hours. Jun 19, 2007 · I opened up the battery compartment and one of the batteries had leaked out some kind of corrosive fluid into the sight assembly. Any ideas? This is rather disconcerting. Feb 18, 2024 · How do I prevent battery corrosion in the Eotech 512? Regularly checking and replacing the batteries, especially if the sight will not be in use for an extended period, can help prevent battery corrosion. 7. Discover EOTECH's range of advanced optics and holographic weapon sights designed for professional shooters, law enforcement, and military use. vx 97wyazvx iq14 23qqv4 zd tp7 bk cy q6txbhu lc1g