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Surefire Flashlights - Battery Drain in Storage? #4625054
01/05/18 02:54 PM
01/05/18 02:54 PM
Joined: Jan 2016
Posts: 91
Texas
2016Accord Offline OP
2016Accord  Offline OP
Joined: Jan 2016
Posts: 91
Texas
I have two Surefire Fury PX2 flashlights (15/200 older style that looks like this:

that seem to drain batteries, even when NOT used.

Each flashlight uses 2 CR123A batteries.
The odd thing is that I never really use them, but they seem to drain batteries. I have them stashed around the house for emergencies and check them every 60-90 days and find that the batteries are ALWAYS dead, or near dead. This is true for both flashlights. I am using new Surefire brand batteries. This is with NO use.

I can't believe that this is normal.
What the heck?!

I have been keeping the "base" screwed in, so that the button on the rear of the flashlight can function without having to be screwed in first.
My cheap Duracell LED flashlights are outperforming these expensive Surefire lights in terms of "storage". [censored]?!

I am tired of buying expensive CR123A batteries for unused flashlights. Any thoughts?


2013 Dodge Grand Caravan SE (Pennzoil Platinum 5W-20, WIX)
2016 Mazda6 MT (Mazda 0W-20 , OEM)
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625076
01/05/18 03:12 PM
01/05/18 03:12 PM
Joined: Oct 2014
Posts: 12,577
Idaho
CT8 Offline
CT8  Offline
Joined: Oct 2014
Posts: 12,577
Idaho
Once the batteries start they die on their own once put in service. My Surefire does the same thing as well as my hearing aid batteries they last the same in use and die even when I remove them when not is use.


2015 Ford F150 2.7
2018 Ford F350 6.2
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625083
01/05/18 03:16 PM
01/05/18 03:16 PM
Joined: Oct 2002
Posts: 36,614
Great Lakes
Quattro Pete Offline
Quattro Pete  Offline
Joined: Oct 2002
Posts: 36,614
Great Lakes
Some flashlights are known for excessive parasitic current drain when not running.

In general, I avoid any flashlight or battery with the word "fire" in it, although Surefire is US-based, so it should probably be en exception to this rule. smile



'02 530i (Edge 0W-40)
'15 Q5 3.0T (Edge 5W-40)
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Re: Surefire Flashlights - Battery Drain in Storage? [Re: Quattro Pete] #4625090
01/05/18 03:25 PM
01/05/18 03:25 PM
Joined: Jan 2016
Posts: 91
Texas
2016Accord Offline OP
2016Accord  Offline OP
Joined: Jan 2016
Posts: 91
Texas
Originally Posted By: Quattro Pete

In general, I avoid any flashlight or battery with the word "fire" in it, although Surefire is US-based, so it should probably be en exception to this rule. smile

LOL!
They were a gift a some years ago.
They are "expensive" flashlights, so I hate to throw them away or not use them. They also have a nice form factor. I do wish that the high-output setting was activated by the first press of the button on the rear. That would make them more useful as home defense lights.

Of course having a charge in the battery helps too!


2013 Dodge Grand Caravan SE (Pennzoil Platinum 5W-20, WIX)
2016 Mazda6 MT (Mazda 0W-20 , OEM)
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625101
01/05/18 03:38 PM
01/05/18 03:38 PM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
the reason there are so many chinese flashlight companies with fire in their name is because of surefire.

it is like saying i wont own a Ferrari because of fiat or fiero.

Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625102
01/05/18 03:38 PM
01/05/18 03:38 PM
Joined: Mar 2010
Posts: 232
JBLM, WA
RW1 Offline
RW1  Offline
Joined: Mar 2010
Posts: 232
JBLM, WA
Give Surefire a call. I have owned Surefire flashlights since the early 1990s and their customer service is pretty darn good.

The only time I have seen this type of battery issues is when the lights were stored in a hot location or the batteries were old to begin with.

Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625109
01/05/18 03:48 PM
01/05/18 03:48 PM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
It is good practice for flashlights in storage to remove batteries. All companies surefire or otherwise will say dont store.
Especially surefire is tailored for tactical so its expected that you are loading fresh batteries before each mission and tossing the partially used ones.
They also only officially recommend their batteries so thats a bit of a racket.
I personally use rechargeables so if partially used I can top off and don't just toss the partially used ones.

For storage you can untwist the tailcap and/or tube so the connection is physically disconnected and just connected by a thread. If the button doesn't turn on the light then the batteries won't drain.

Last edited by raytseng; 01/05/18 03:53 PM.
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625165
01/05/18 04:42 PM
01/05/18 04:42 PM
Joined: Dec 2016
Posts: 7,143
Waco, TX
Linctex Offline
Linctex  Offline
Joined: Dec 2016
Posts: 7,143
Waco, TX
Quit buying CR123's and use a single rechargeable 18650 instead.


"The evidence demands a verdict".
(Re:VOA)"it's nearly impossible to actually know the particular additives that are in there at what concentrations."
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625193
01/05/18 05:00 PM
01/05/18 05:00 PM
Joined: Jun 2015
Posts: 696
Arizona
Kawiguy454 Offline
Kawiguy454  Offline
Joined: Jun 2015
Posts: 696
Arizona
Get a flashlight that takes standard cells and use Eneloop rechargeable battery. They can be stored for couple years before needing charge.

Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625223
01/05/18 05:33 PM
01/05/18 05:33 PM
Joined: Sep 2005
Posts: 5,909
MIchigan
Warstud Offline
Warstud  Offline
Joined: Sep 2005
Posts: 5,909
MIchigan

Re: Surefire Flashlights - Battery Drain in Storage? [Re: Warstud] #4625328
01/05/18 07:31 PM
01/05/18 07:31 PM
Joined: Aug 2016
Posts: 520
West Michigan
Balrog006 Offline
Balrog006  Offline
Joined: Aug 2016
Posts: 520
West Michigan


Seems to be an anomaly with the two pack, the 10 and 12 pack have very good reviews.

Surefire 12 pack


19 Ridgeline RTL-E >1K factory fill, A01
08 CRV 275K+ VSyn w/ML, A01
04 JD L130 740H, Mobil S 5w30
13 JD 2032r 325H, JD Plus 50 ii 15w40
M1Delvac 5w40 in OPE
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625390
01/05/18 08:39 PM
01/05/18 08:39 PM
Joined: May 2015
Posts: 936
Frogland / Brittany
Popsy Offline
Popsy  Offline
Joined: May 2015
Posts: 936
Frogland / Brittany
If you have the single stage tailcap tactical switch (press for momentary on, press further for constant on), then batteries are physically disconnected from the circuit board when the tailcap isnít activated.

So rule out tailcap issue (clean everything thoroughly inside, check that the inside switch can go back to off position freely (sometimes the rubber is a little tight and pushes slightly the switch underneath). Better, call surefire to get a replacement tailcap for free.

With all that checked, remaining option is battery issue. CR123A of good quality (US or Japan made, green ring on the negative side) have an estimated shelf life of 10 years (build date is usually blind embossed on Surefire, Energizer or Panasonic industrial, or you have an expiration date on Duracell and some Panasonic), often even more if not exposed to excessive heat. Bad batch of batteries can happen too... You can also try using a rechargeable 16650 battery, but Iím not sure it will work, considering the voltage difference.

With all these options considered, sell your Surefire and buy a single CR123A (or rechargeable) HDS flashlight, and never go back to other flashlights grin


96 Barchetta, Motul 300V 5W40 | 98 Barchetta, Quartz 9000 energy 5W40
05 Forfour 95, SHU 0W40 (gf's car) | 10 Colt Ralliart, 300V 0W40
Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625453
01/05/18 10:15 PM
01/05/18 10:15 PM
Joined: Jul 2017
Posts: 127
Canada
mcwilly Offline
mcwilly  Offline
Joined: Jul 2017
Posts: 127
Canada
Most of my nitecore flashlights have parasitic drain, I remove the batteries when not in use.

I have a thrunite tn12 and despite being the cheapest flashlight in my home, it is my favorite. No drain there, even after months.


2010 Subaru Sti 74,000km
2001 Toyota Echo 245,000km
Re: Surefire Flashlights - Battery Drain in Storage? [Re: Linctex] #4625475
01/05/18 11:00 PM
01/05/18 11:00 PM
Joined: Jan 2018
Posts: 538
San Antonio, TX
das_peikko Offline
das_peikko  Offline
Joined: Jan 2018
Posts: 538
San Antonio, TX
Originally Posted By: Linctex
Quit buying CR123's and use a single rechargeable 18650 instead.


Do you have a brand recommendation for the battery and the charger? My Surefire L5 eats batteries.

Re: Surefire Flashlights - Battery Drain in Storage? [Re: 2016Accord] #4625513
01/06/18 01:06 AM
01/06/18 01:06 AM
Joined: Dec 2008
Posts: 2,407
CA
raytseng Offline
raytseng  Offline
Joined: Dec 2008
Posts: 2,407
CA
Buy 18650s targetted for flashlights for least risk.

Nitecore or Fenix would be my recs.
same with chargers nitecore i2 or i4 or fenix chargers will be fine.

Some will say you can just get panasonics ot samsung which maybe the guts and same as above but there are so many Panasonic variations if you don't know what you are doing you will get the wrong ones or unprotected cells that you end up frying. Not worth it for just to save a few $.

Note there is some benefit and pros/cons to having two 18650s of lower capacity that tou swap rather than 1 expensive higher capacity. 18650. Ultimately if money was no option youd buy just the highest capacity, but id you are on a budget you will be fine getting two 2600mah or 3000mah instead of one 3500mah for your same $25.

Last edited by raytseng; 01/06/18 01:13 AM.
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