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Posted: 1/25/2022 6:18:34 AM EDT
[#1]
Quote HistoryQuoted: I realize that cold weather can play hell with batteries, but is this something else the MAWL is notorious for? Detent on the propeller cap gets stuck. Adding lubricant seems to fix it. |
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Posted: 1/25/2022 9:58:39 AM EDT
[#2]
Quote HistoryQuoted: right - then why does this one do so? @heron163 No idea.You might want to call BE Meyers. |
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Posted: 2/2/2022 12:44:43 PM EDT
[#3]
I think BEM fixed this issue, at least in production. I have a MAWL-DA that’s a 09/21 DOM and I’ve had the same battery in it since I got it. I purchased the 2x AA end cap for it to house 2 batteries when I first got it in case that was an issue but I’m still on the 1st battery at the time of this post. If you have a unit that eats 123s I’d be calling BEM and making them fix it before your warranty expires and then they’ll be much less apt to help you. Not that they won’t, but better to be safe than sorry.
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Posted: 2/2/2022 5:51:10 PM EDT
[#4]
Quote HistoryQuoted: If you have a unit that eats 123s I’d be calling BEM and making them fix it before your warranty expires and then they’ll be much less apt to help you. Not that they won’t, but better to be safe than sorry. At what rate would you consider it faulty? I went through my first 2 batteries around 3-4 months with very little use. Lost track of my last battery change, but at this point and through others' experiences, I've accepted this as the norm. |
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Posted: 2/4/2022 2:50:30 PM EDT
[#5]
Quote HistoryQuoted: At what rate would you consider it faulty? I went through my first 2 batteries around 3-4 months with very little use. Lost track of my last battery change, but at this point and through others' experiences, I've accepted this as the norm. That's what mine was, I called them and they supposedly fixed it. Still waiting on it to get back and put a battery in and play the waiting game. |
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Posted: 2/4/2022 10:55:28 PM EDT
[#6]
Quote HistoryQuoted: At what rate would you consider it faulty? I went through my first 2 batteries around 3-4 months with very little use. Lost track of my last battery change, but at this point and through others' experiences, I've accepted this as the norm. I would consider that faulty. I use mine about once every 2 weeks for about 3 hrs of training and it actually just died on my the day after I posted on here ?? the cold weather may have contributed to that. Regardless, with that said remember, mine is also a DA and has a lot higher output. I’d see about getting it sent in. |
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Posted: 2/8/2022 8:17:08 PM EDT
[#7]
I got my MAWL back from BE Meyers this evening. I put in a fresh CR123 and now to wait and see.
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Posted: 2/10/2022 2:56:55 PM EDT
[#8]
Someone posted a video on the Night Vision User Group 2.0 Facebook group of his MAWL with parasitic drain. While the unit was turned off, you could see the indicator lights flash under NODs in a dark room. The flash was not visible without NODs. The unit no longer flashed when turned off once he got it back from BE Meyers for the warranty repair.
Several other people chimed in after checking their units, and those with parasitic drain also saw the flashing under NODs when the unit was powered off. Looked like most had a 10/2020 date if manufacturers. Here's some screenshots of the post for those without FB. Even managed a shot of the video with the indicator light blinked on.  Attached File Attached File Attached FileI checked my MAWL manufactured 8/2021, and it did not have the blinking. I've only had it a month, so I don't know if it has any parasitic drain. |
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Posted: 2/10/2022 5:01:13 PM EDT
[#9]
Quote HistoryQuoted: Someone posted a video on the Night Vision User Group 2.0 Facebook group of his MAWL with parasitic drain. While the unit was turned off, you could see the indicator lights flash under NODs in a dark room. The flash was not visible without NODs. The unit no longer flashed when turned off once he got it back from BE Meyers for the warranty repair. Huh, thats interesting. I didn't get to check my MAWL-C1's LED light to see if it had a faint glow under my PVS-14 before I sent it off to BEM. I'll see if my returned one from the repairs shows that anomoly and I'll check my brand new ODG one DOM of 10/2021. |
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Posted: 2/10/2022 5:09:11 PM EDT
[#10]
Mine was manufactured in 10/21. Bought it directly from BE Meyer. When it arrived the propeller cap was stuck and would not turn. I emailed them and the reply I got was a drop of oil to the detent plunger. Mine has the parasitic drain and I screwed around procrastinating not realizing the warranty was only one year. Sucks to be me.
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Posted: 2/10/2022 5:18:21 PM EDT
[#11]
Quote HistoryQuoted: Mine was manufactured in 10/21. Bought it directly from BE Meyer. When it arrived the propeller cap was stuck and would not turn. I emailed them and the reply I got was a drop of oil to the detent plunger. Mine has the parasitic drain and I screwed around procrastinating not realizing the warranty was only one year. Sucks to be me. I assume you meant "10/20", becuase if it was in 2021 you would still be in the warranty. But regardless, I don't know if its a case by case situation but when I sent my MAWL-C1 DOM: 07/2020, they covered the RMA repair and didn't charge me anything. |
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Posted: 2/10/2022 5:20:07 PM EDT
[#12]
Yep, 10/20.
And thanks for the info. |
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Posted: 2/10/2022 6:20:57 PM EDT
[#13]
Quote HistoryQuoted: Someone posted a video on the Night Vision User Group 2.0 Facebook group of his MAWL with parasitic drain. While the unit was turned off, you could see the indicator lights flash under NODs in a dark room. The flash was not visible without NODs. The unit no longer flashed when turned off once he got it back from BE Meyers for the warranty repair. Several other people chimed in after checking their units, and those with parasitic drain also saw the flashing under NODs when the unit was powered off. Looked like most had a 10/2020 date if manufacturers. Here's some screenshots of the post for those without FB. Even managed a shot of the video with the indicator light blinked on. https://www.ar15.com/media/mediaFiles/44195/BE757EF1-BC4D-4995-A1AE-7042839B3942_png-2274315.JPG https://www.ar15.com/media/mediaFiles/44195/E802005C-211B-4250-B657-C3BEFABA9C0D_png-2274316.JPG https://www.ar15.com/media/mediaFiles/44195/78E62147-48F2-4700-A933-F344DA314B11_png-2274318.JPG I checked my MAWL manufactured 8/2021, and it did not have the blinking. I've only had it a month, so I don't know if it has any parasitic drain. That is interesting, my DOM is 11/2020. I wonder how long this issue lasted for? Now that it's fixed, I will be keeping a close eye on it, hopefully I can leave a battery in it now without it being dead the next time I take the rifle out. |
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Posted: 2/10/2022 6:24:35 PM EDT
[#14]
Quote HistoryQuoted: Yep, 10/20. And thanks for the info. @wriggly That was my DOM and they stilled fixed mine for me, it was slightly out of the 1 year window. |
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Posted: 2/10/2022 6:58:45 PM EDT
[#15]
Quote HistoryQuoted: Someone posted a video on the Night Vision User Group 2.0 Facebook group of his MAWL with parasitic drain. While the unit was turned off, you could see the indicator lights flash under NODs in a dark room. The flash was not visible without NODs. The unit no longer flashed when turned off once he got it back from BE Meyers for the warranty repair. Several other people chimed in after checking their units, and those with parasitic drain also saw the flashing under NODs when the unit was powered off. Looked like most had a 10/2020 date if manufacturers. Here's some screenshots of the post for those without FB. Even managed a shot of the video with the indicator light blinked on. https://www.ar15.com/media/mediaFiles/44195/BE757EF1-BC4D-4995-A1AE-7042839B3942_png-2274315.JPG https://www.ar15.com/media/mediaFiles/44195/E802005C-211B-4250-B657-C3BEFABA9C0D_png-2274316.JPG https://www.ar15.com/media/mediaFiles/44195/78E62147-48F2-4700-A933-F344DA314B11_png-2274318.JPG I checked my MAWL manufactured 8/2021, and it did not have the blinking. I've only had it a month, so I don't know if it has any parasitic drain. Great info, I have to check mine thoroughly since I never noticed it flickering in the iff position before. Im also going to do a drain test to see how long a new battery will last |
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Posted: 2/11/2022 12:27:05 AM EDT
[#16]
Quote HistoryQuoted: Huh, thats interesting. I didn't get to check my MAWL-C1's LED light to see if it had a faint glow under my PVS-14 before I sent it off to BEM. I'll see if my returned one from the repairs shows that anomoly and I'll check my brand new ODG one DOM of 10/2021. Well I finally got time to check my MAWLs, my RMA'd MAWL DOM: 07-2020 did not have a faint glowing LED light while in the OFF position, and my ODG MAWL DOM: 10-2021 also did not have a faint glowing LED light while in the OFF position. I hope we can get others to check their MAWLs especially if they haven't got an RMA service done on their MAWL yet. Still waiting to see if my battery is dead by the 7-8th week, so far its been almost 4 weeks since I got it back and the battery life is still good. |
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Posted: 2/11/2022 7:46:54 AM EDT
[#17]
Mine definitely has the parasitic drain. Checked it in the off position under Nods tonight in a dark room. No flashing lights.
Thinking on this further, I wonder if the propeller cap functions as the switch magnetically or if the detent plunger is the switch? |
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Posted: 2/11/2022 8:14:47 PM EDT
[#18]
Answered my curiosity about the switching. There’s two tiny magnets embedded into the back side of the propeller cap for the visible and IR lasers to be activated.
It would be nice to know exactly how BEM is isolating the parasitic draw issue. |
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Posted: 2/11/2022 10:06:10 PM EDT
[#19]
Quote HistoryQuoted: It would be nice to know exactly how BEM is isolating the parasitic draw issue. Would be nice to know, but they can't discuss it. Someone posted a response earlier. https://www.ar15.com/forums/Armory/MAWL-parasitic-drain-/18-530912/?page=1#i5621437 |
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Posted: 2/13/2022 6:49:31 AM EDT
[#20]
I went to test my unit out tonight and the battery was dead. Swapped a new battery and found out it had the indicator flashing in off position. Manufacture date 02-2021.
 MAWL-C1 indicator flashing |
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Posted: 2/13/2022 5:05:21 PM EDT
[#21]
I have an X1 and it doesn't have a flashing indicator light.
I will check the battery periodically for parasitic drain. |
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Posted: 3/9/2022 12:27:34 PM EDT
[#22]
Quote HistoryQuoted: I got my MAWL back from BE Meyers this evening. I put in a fresh CR123 and now to wait and see. 4 weeks later. I function tested it after receiving it back, but other than that it has been sitting in my safe in the off position. I purchased a battery tester from amazon to check the charge of the CR123 in my MAWL. It reported 17/18 bars or ~94% charge remaining after 4 weeks. I can't say for certain but that does seem better than it was previously. I will update this thread in another month, I expect then will be much more conclusive on results of the warranty work. Before a battery would not last 2 months in the unit. |
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Posted: 3/9/2022 1:38:52 PM EDT
[#23]
Quote HistoryQuoted: 4 weeks later. I function tested it after receiving it back, but other than that it has been sitting in my safe in the off position. I purchased a battery tester from amazon to check the charge of the CR123 in my MAWL. It reported 17/18 bars or ~94% charge remaining after 4 weeks. I can't say for certain but that does seem better than it was previously. I will update this thread in another month, I expect then will be much more conclusive on results of the warranty work. Before a battery would not last 2 months in the unit. That's good to hear, what battery tester did you buy I would like to have one so I can test my batteries. Right now this is almost the 8th week (2 months) mark for my returned MAWL and so far the battery is holding strong but I don't have a battery tester to give me a power reading. I'll update when I get a tester and when the 8th week has pass this is where my original MAWL would have its battery drained. |
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Posted: 3/9/2022 2:24:10 PM EDT
[#24]
Quote HistoryQuoted: That's good to hear, what battery tester did you buy I would like to have one so I can test my batteries. Right now this is almost the 8th week (2 months) mark for my returned MAWL and so far the battery is holding strong but I don't have a battery tester to give me a power reading. I'll update when I get a tester and when the 8th week has pass this is where my original MAWL would have its battery drained. I went with this one: https://www.amazon.com/dp/B000KK7FEY?tag=arfcom00-20 I can't vouch for its accuracy, I decided to pick it up to appease my curiosity as I waited. |
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Posted: 3/9/2022 3:07:20 PM EDT
[#25]
Quote HistoryQuoted: I went with this one: https://www.amazon.com/dp/B000KK7FEY?tag=arfcom00-20 I can't vouch for its accuracy, I decided to pick it up to appease my curiosity as I waited. Thanks, I'll order that to get a consistent tester and see if we get the same reading. |
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Posted: 3/10/2022 11:23:12 PM EDT
[#26]
Quote HistoryQuoted: I went with this one: https://www.amazon.com/dp/B000KK7FEY?tag=arfcom00-20 I can't vouch for its accuracy, I decided to pick it up to appease my curiosity as I waited. I got the battery tester today and tested the Panasonic CR123A battery in my MAWL (DOM 07/2020) that was RMA'd from BEM and I have about 4 days to go for it to be 8 weeks and the battery was showing 18/18 bars on the battery tester. I've zeroed my MAWL after getting it back from BEM and the MAWL was still in the ON position while I was driving home from the range trip I forgot the switch the propeller to the OFF position, so the battery has been used and quite often too since I tested the battery life by firing off the vis laser once a week to test the battery life until I got this battery tester. Preliminary results to me shows that BEM fixed the parasitic battery drain that my MAWL exhibited. I also tested the CR123A in my other MAWL ODG (DOM 10-2021) and this battery life was 17/18 bars but this one had its battery installed on 11/30/2021 which was the day I received this MAWL and I have been using it more often while the other MAWL was RMA'd. This also seems to show that the MAWL's parasitic drain seems to be remedied/fixed in the latest production dates. |
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Posted: 3/10/2022 11:44:15 PM EDT
[#27]
A multimeter will give you a numerical output so you can have a more accurate measurement.
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Posted: 3/11/2022 5:06:31 PM EDT
[#28]
Quote HistoryQuoted: A multimeter will give you a numerical output so you can have a more accurate measurement. I wanted to use a multimeter but I didn't own one and so I went to a local harbor freight to get simple one and that was a dud. So I bought one on Amazon with a good amount of user ratings and it arrived today. I tested with the multimeter and the battery in my RMA MAWL (DOM 07/2020) registered 3.0v and the battery in my ODG MAWL (DOM 10-2021) registered 2.99v. |
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Posted: 3/11/2022 5:58:22 PM EDT
[#29]
Quote HistoryQuoted: I wanted to use a multimeter but I didn't own one and so I went to a local harbor freight to get simple one and that was a dud. So I bought one on Amazon with a good amount of user ratings and it arrived today. I tested with the multimeter and the battery in my RMA MAWL (DOM 07/2020) registered 3.0v and the battery in my ODG MAWL (DOM 10-2021) registered 2.99v. Which multimeter did go with? |
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Posted: 3/11/2022 6:03:13 PM EDT
[#30]
Quote HistoryQuoted: Which multimeter did go with? This was the multimeter I bought, it was the first one that came up on a search on Amazon and it had a high rating and inexpensive enough, https://www.amazon.com/gp/product/B01ISAMUA6. I would have expected a basic multimeter from harbor freight to work on a simple voltage measurement on a battery but I guess you get what you pay for. |
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Posted: 3/12/2022 1:18:53 AM EDT
[#31]
I need to stop being lazy and disconnect batteries on hunting rigs based off this advice. I hunt almost weekly, but if not within the next 24 hrs I should disconnect.
Thanks Auggee |
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Posted: 3/13/2022 7:02:13 PM EDT
[#32]
Quote HistoryQuoted: This was the multimeter I bought, it was the first one that came up on a search on Amazon and it had a high rating and inexpensive enough, https://www.amazon.com/gp/product/B01ISAMUA6. I would have expected a basic multimeter from harbor freight to work on a simple voltage measurement on a battery but I guess you get what you pay for. Just a heads up. Since CR123's are lithium batteries they show a pretty constant Voltage reading until they are dead. So you aren't gaining much information other than "the battery still has a charge". |
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Posted: 3/14/2022 1:42:00 PM EDT
[#33]
Quote HistoryQuoted: Just a heads up. Since CR123's are lithium batteries they show a pretty constant Voltage reading until they are dead. So you aren't gaining much information other than "the battery still has a charge". That's good to know, I didn't know about that, I'm not much of an electrical guy. In any case, its been 8 weeks (2 months) now and my battery is still strong and powers up my RMA'd MAWL and the vis laser is not blinking and the LED indicator is not blinking showing its a low battery. I think I can safely say BEM has fixed the parasitic drain issue my MAWL exhibited. Testing the battery with the battery tester and multimeter shows the same results I mentioned in several previous posts. If anyone has noticed a parasitic draining with their MAWL I would highly recommend you contact BEM and see if they will resolve the issue. |
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Posted: 3/18/2022 6:32:10 PM EDT
[#34]
I've heard complaints about parasitic drain with every brand. Personally haven't ever had a LAM drain before I change the batteries (About once a year, sometimes longer). That's with steiner and holosun. Any others I've had I didn't hang on to long enough to see. Never had a MAWL.
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Posted: 3/21/2022 5:39:31 PM EDT
[#35]
Both of my MAWL's have the drain. They won't last more than a few weeks stored in the off position.
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Posted: 3/21/2022 7:56:13 PM EDT
[#36]
Quote HistoryQuoted: Both of my MAWL's have the drain. They won't last more than a few weeks stored in the off position. To help out with analytics, what are the manufacture date of the units? |
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Posted: 3/22/2022 11:49:27 AM EDT
[#37]
Quote HistoryQuoted: To help out with analytics, what are the manufacture date of the units? Quote HistoryQuoted: Quoted: Both of my MAWL's have the drain. They won't last more than a few weeks stored in the off position. To help out with analytics, what are the manufacture date of the units? 3/11/2021 & 4/15/2021 were the inspection dates. |
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Posted: 3/26/2022 3:44:31 PM EDT
[#38]
Quote HistoryQuoted: 3/11/2021 & 4/15/2021 were the inspection dates. Same & mine were manufactured right around that same timeframe as well. I'm calling them next week to see if I can send them in for repair if they finally have the fix because this really is ridiculous. One of my units appears to be worse than the other and will consistently eat a battery in about 4-6 weeks, stored in the "off" position. |
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Posted: 3/27/2022 4:39:43 PM EDT
[#39]
How do you all get service for your MAWLs? They never responded to my inquiry on their website.
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Posted: 3/27/2022 7:48:17 PM EDT
[#40]
Quote HistoryQuoted: How do you all get service for your MAWLs? They never responded to my inquiry on their website. I did that also, and after like 3-5 days of no reply I decided to call their customer support phone number and asked to transfer over to the technical support side. |
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Posted: 3/28/2022 8:26:53 PM EDT
[#41]
I bought an OD green unit directly from B.E. Meyers. I usually always remove the battery before storing the rifle but I have been left it in since purchasing it to see if I had an issue. Been about a month now and no evidence of parasitic drain (11/21 DOB). It has now been over a month so I think I am good...
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Posted: 4/5/2022 9:18:56 PM EDT
[#42]
Post 8 week update from being RMA'd by BE Meyers.
I took the MAWL out a few weeks ago, used it for a few minutes under nods, but nothing crazy. Tested the battery again and it was showing 17/18 bars of strength. I can confidently say the issue is resolved and much better than what I was previously experiencing. |
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Posted: 4/14/2022 4:48:49 PM EDT
[#43]
I decided to verify whether or not my MAWL has parasitic drain or not and share my findings
Type: Gen 2 Mawl with the removable battery cap and fixed propeller. Purchaced date @ Nov 2017 new from a dealer/vendor Battery: SureFire CR123A. Unit in Off position with no pressure pad Reading date/ Voltage reading 11APR22. 3.2VDC |
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