Flashlight Batteries 101: Quick and Simple Explanation
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- čas přidán 5. 02. 2017
- Learn the basics of using lithium-ion batteries in flashlights. Charging and discharging safety, plus brand recommendations for cells like 18650, 26650, RCR123, 14500, and more.
Links for purchase:
18650, 26650, 18350 and Nitecore Charger: asflashlights.com/37-batteries...
Powerex Imedion AA: rover.ebay.com/rover/1/711-53...
Tengergy Centura: rover.ebay.com/rover/1/711-53...
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Damn dude. You teach, really, what needs to be known. Even I didn’t know that 18650 is the literal measurement of the battery. And I’ve been using them for years now
Thanks for this basic info. People often forget when learning something new that you need need to start with basics.
I have 16 Orbtronic 18650 (Panasonic cells) protected batteries for my various flashlights, and have been very pleased with them. The oldest among them being over 8 years and still going strong. I label mine A to P with a P-Touch labeler for easy I.D. I cant stress enough the importance of a quality smart charger, especially with auto discharge and ability to give a readout of the cells health/actual mAh capacity. Thanks for your comprehensive video in minimal time..
Such an important video for anyone utilizing these cells, I see tons of vapers with zero knowledge of batteries who will continue to run them with rips in the wraps. This is among the many reasons we have venting and explosion horror stories in the media. This should be required viewing.
Clear,concise and educational - a must watch for the novice.
Thank you for informing us without a long intro, corny jokes and no loud CZcamsr-tone of talking. And no useless sponsor mentioning.
Agree, except sponsor mentioning, that is not fair to them, IF it is their sponsor as long as it does not skew the content, useless to you not them. It is not all about you or I. It is their living so cut a little slack.
Yup, Matt is the most honest guy on CZcams amongst all the cancer and I certainly appreciate it, refreshing and reminiscent of old CZcams.
A good introduction, with something for both novices and experienced users. Most of my experience with rechargeable cells comes from the NiCad cell days. I remember learning to "zap" them to vaporize the metal whiskers to which they were prone. Good times!
Thanks for taking time to explain very use full for years to come
You the man. Thanks for the information as always. Just wanted to say o purchased an olight seeker pro 2 after watching your reviews. I tell people at my job that you are the man when it comes to flashlights
Very good and well detailed video. Great information. Thank you just what I need
You're definitely a great help for me thank you so much for showing this I bought the mini pro it didn't come with a charger so it looks like I'm going to have to get a charger for it
I appreciate the video brother, and the recommendations as well. Very good info, thanks.
Thanks for this video sir! Made it really easy to follow.
Did a right-fine job on this video, son. You might want to include the fact that, while rechargeable batteries are a good replacement in most devices, there will be quite a few instances where you really NEED that initial 5.8v-to-6v (4 X 1.5v cell) for the device to work, as a voltage of less than say 5.6v-to-6v (4 X 1.2v = 4.8v) just may not even turn the device on. In the last few years, there HAVE been rechargeable batteries that produce the same voltage as their alkaline counterparts, but for the most part, the voltage of the most popular Ni-Cads or Ni-MH are the 1.2v variety.
Good Point. I bought rechargeable 9 Volt batt kit for my basement water/flood alarms (placed next to sump pumps). The alarms would NOT work with them as the initial voltage was just slightly below that expected from a 9V Alkaline batt that the alarms designers based their product on. Got a quick refund on the rechargeables and bought some top-line alkalines. Both the rechargeable batt OEM and the water alarm OEM agreed on the problem. So, just a heads up -- research and test before setting aside rechargeable batts for contingency use or critical systems.
Excellent video! Thank you for all the info!
great presentation love this guy thanks for all the info
OUTSTANDING commentary and educational. I enjoy your webcast. 🔦🐢🔦🐢🔦🐢
There is a lithium ion rechargeable AA battery (1.5 volt) which I bought recently. Made by Hixon. The only problem is that because of the protection circuitry, the AM band is not listenable on portable radios. They're rated at 2333 mah. (3500 mwh).
Thanks Matt! I’m just getting into flashlights and I’m learning about all this battery stuff. Who knew?!?! I just bought my first two REAL flashlights (Thorfire Q8 and an Astrolux FT03) and ordered samsung INR18650-30Q 15A 3000mAh 18650 batteries. I read after purchasing them that they will not be ideal for the Q8, and that a 20A battery will let you get to the flashlights maximum output. Will there be a big noticeable difference between what I bought and the 20a? I also purchased a Nitecore i4 charger. This is a lot to learn! I haven’t received my batteries yet but I will research how to charge and take care of them. For now though I’m curious about the 15a and 20a difference
Thank you Very much for your time making this great Video !!!
This was SO helpful, thanks!
Excellent and very helpful video & information. Thanks
i subbed and thank you for explaining i wish you made another lesson video it really helps me learn
Excellent and informative video, thanks for sharing. 👍🏻
Hi i have got samsung 30q 18650 batteries 3.7v batteries and i have been having problems with them the first one i bought stopped being recognised by the charger and now i have one that when fully charged only reads 3.3 volts. They do get left in my torch over the summer unused is this causing the problem do you think?
Thanks for the tutorial. Awesome information!🙂👍👍👍
I got a new 2022 flashlight that ce with a 26700 3.7v battery. Can I use a 18650 3.7v battery in it as a backup? Can I charge the 18650 in the new flashlight? Thank you!
Really nice and honest review
Been wondering what charger I'd need for a 18650, need a battery or 2 and battery but not sure where to buy or what to get
Super helpful video. Thanks
question, so when charging a 14500 what rate should it be at? 500 mAh? I know for an 18650 the optimal is 1.5 amp but I don't know what it is for a 14500?
I have an led torch using a flat topped 26650 battery and it’s went dead. What can I do to revive it? Would it be safe to do the drill battery trick with two forks?
Great vid. Brilliant advice. Ty.
Very informative! Thanks!
Wow. Good info. Any commentary on Orbtronic batteries?
Bravo Matt. Great job!
I have a Sanford SF438SL-2SC torch
Just the head
I don't know which battery to use
The manufacture I found saying 1900 mah 3.6 v ni-cad battery
I can't find it or even online buy it
Which li-ion battery can replace it
Great video, I also use the Efest and Keeppower, but also use Panasonic, Samsung, and LG. Most of mine are unprotected I'm not a big fan of the protected batteries I have over 70 li-ion batteries and about the same number of flashlights. I get mine from Obtronics, IMR, Gear best, and even some from eBay and Amazon. I checked mine with opus bt 3000 v2.2 charger to verify their authentic.
When I first started using these batteries like everyone else I went the cheap route and bought ultrafire 4000 mah when I put those in the charger they show about 300 or 400 mah.
Can l just ask why you are not a big fan of protected batteries? Thanks
Help!! I have a nicron n7 AA. It is supposed to take a 14500. I bought a klarus 800mah 14gt-80our and it will not work I fully charged it. I put it in a mag light and it popped the old buld immediately.. so its working..just not in the n7???
What 26650 battery do you recommend for best performance in a cup 90 Thank you!
Great presentation! Thanks!
hi matt can you use vaping 18650 high drain in torches that are 35A? got some samsung 25R but dont know if they will do the job
I need your help, I have a surefire flashlight, uses 2-cr123 cell. I want to get a battery that will replace 1 rechargable high drain battery. Help
So if I have a flashlight that takes two CRI 23 batteries I can replace them with two AA batteries ?
Should I use nihm batteries of same rating and sizes but different brands, eg 800 gb and energizer
I have a flashlight with 6 AA battery what would be a good alternative
Hi Matt, i still have a few Inova flashlights, old but well built and durable, i.e., inova x 5 and x 0. they run on cr123 batteries, expensive and non rechargeable. Is there any battery I can use to replace them? If there is, will they fit in my flashlights?
Looking for Rechargeable CR2 batteries and CR123A batteries for Duty use in a Carbine (Red dot sight) and handgun mounted weapon light. Looking for high mAh, recently bought some Ultrafire brand rechargeable CR2 batteries and CR123A batteries, are these any good? Do you have any recommendations for high mAh rechargeable CR2 and CR123A batteries?
Your video is very informative thank you...
I have a Acebeam K70 I’m wondering what battery you would run in it?!
Matt, really enjoying the knowledge drops! Have you used Orbtronic batteries? Thoughts?
ive been using tenergy standard D batteries (the blue ones) since 2007... theyve been overcharged, overheated i dont know how many times, discharged until completely dead over & over, the bottom ends dented in because i dropped my maglite too many times... they still work awesome after about 13 years... they are not low self discharge (they didnt have that for D's then)... so i just got a bunch of tenergy centura D's & so far they are good...
i like the LSD NIMH, because you stash the flashlight & when SHTF, they are ready to use a year later, low maintanence
What do you recommend for the Nitecore TM28? Their Nitecore IMR 3100 discharges to fast. I want safe but long reliable 18650s.
Thanks dude you save me a lot of money and time
Hlo bro my bright light led battery about 6" total size cell missing please tell me how can I find voltage rating of battery for my torch
Hi Matt, love your videos and your enthusiasm! Can I replace a16 340 1300 milliamp hour 3.7 volt cheap Chinese battery with a comparable better battery preferably lithium. To be honest I don't know if this thing is lithium or not.
Thanks, great video.
Can I use a D size lithium ion battery in a flashlight conversion or do you recommend the 2-Pack (Card) Tenergy Centura NiMH D 1.2V 8000mAh Rechargeable Batteries as you mentioned in the video? Also do you recommend a nice bright LED? If so do you have a recommendation for an old 2 D battery conversion to lithium ion or the NiMH battery you mentioned in the video?
Thank you😊
I have a cheapy menards Guidesman 5w flashlight. I like it because if the flood and spot capabilities. Its bright. I look for addresses for work with the spot. Three questions.
Can i get a different battery or two, replacing the 6 aaa batteries it takes?
If not is there a better aaa battery than the EBL Nmh 1.2 v 1100 mAh? It seems it doesnt hold the charge all that long.
And Last
Is there a better slim profile not so long flashlight with spot to flood capabilities?
My guidesman is just a bit annoying with putting in my pockets because the bezzel or head of the flashlight is wider and bulky, its a bit uncomfortable when sitting so it comes out of my pocket. Need something less in length (6 inches i belive its at)
Thanks.
Great video, much appreciated. Also your other videos in general. I love flashlights, but noone else around me does.
I just purchased a 2000 lumen bulb for my Maglite 5/6 D cell (I have an extension).
Which rechargeable Lithium batteries will work for this? Is there any special way to set it all up? I can't find a specific video on your channel about this.
Kind regards
Thomas from Denmark
Matt, I've got a Rovyvon E700u angel eyes that loses charge over a few days. It uses a 21700 Fenix 5000 mah battery. You have any insight to my problem?
Hi , just bought a pair of
Shockli 26650 's .
Could you please tell me where and what kind of
Charger I should buy ?
Thank you , Sir ,
Much appreciated !!
Where do I buy 14500 batteries for my N1 AA flashlight? And which charger would you recommend? Thanks!
So are Panasonic/Sanyo NCR batteries basically ICRs, or similar to that? Can’t seem to figure that out.
Hey buddy, love your channel. Had a question for you, what does AAA and AAA battery do you recommend? I just got a couple Olight flashlights and a couple other ones and they take either Triple-A or double-a and some of them take cr123 which brand name do you find to be the best in your technical opinion? Let me know when you get this body appreciate it long time since driver take care and be safe
Well done! Thanks really helped me.
Fantastic video man...
Now that was kinda enlighting. Thx
Where’s best plas to buy 26650 batteries for impact wrench
Hey Matt, I love your videos. How can I get in touch with you about modifying a convoy flashlight that I have?
What do you think about the EBL batteries D cell Matt?
My question is if I get a light that takes 16340 can I use a cr123 instead?
Thanks for great information. 👍
I cannot find proper battery for my GT micro I have thought 14500 batteries they don't power it fully do you know where I can get proper batteries
Try XTAR VP4 or Dragon Charger is the BOMB!!!
I got an LED torch and using my LI Ion AAA cells, the LED got really warm, then started to flash (presume that's a safety feature) Yet both say 1.5 volts Why does it get hot?
I have a flashlight. It was one of those retail store flashlights, like you might find close to the checkout counter. It came with a battery adapter, that holds four AAA batteries. I suspect that the adapter is a stand-in for some type of lithium battery, but I'm not sure what type the flashlight is really expecting. It's the standard "Tactical" configuration, that seems to be everywhere & sold under countless brand names. I'm tired of getting alkaline replacements for it, and if there is a legitimate rechargeable alternative, I'd like to find it.
What is a good rechargeable 18650 battery
Good info, thanks!
Lithium battery tortch or li -on battery is good... Pls answer
Hey Matt, I've got a Thrunite V6 catapult and have had issue's with the batteries going "bad", I think they go into protect mode, when the light gets dropped on its face from a couple feet onto hard surfaces. Happened to me first drop on 2 flashlights now. The 1st one I had Thrunite cover it and got a replacement light. This time it is right at the 1 yr mark so... yeah. I see a lot of different batteries out there that are cheaper than a Thrunite brand one, I haven't had good luck with their batteries, so was looking for something else to use. Was wondering what you would recommend me doing as I know you have far more flashlight knowledge than just about anyone on youtube. Watch your videos all the time. Thrunite can credit you with a V6 sale. Lol. Great light, love it. Battery not so much... thanks for your time.
question, what would be the best brand of 18650 batteries? i have a acebeam k75 and want very good batteries for it for maximum use and performance.
Personally I like SonyVTC6 button tops for an unprotected cell. The keeppower 3120 ma cells are a protected version of this. The K75 carrier is designed for protected cells so either the acebeam 3100ma or the keeppowers would be best. You can fit the unprotected cells if you stretched the springs.
Nice intro video for someone getting into the hobby.
Thanks Jon.
Any 18650 that claims to be more than 3400mah is most likely lying there is a limit to the power to size factor.
Thanks for that tip. Really sucks the scammers doing this.
Exactly! Like UltraFire.
At the absolute most 3600. And those are so much more expensive than 3000-ish cells, they're usually not worth it.
Lg makes some I trust them
Just like the Flashlight companies exaggerating Lumen output! But hey, everyone is a liar.
I will have to try the immedion
When a double stack of heat shrunk 26650 rechargeable batteries go in a flashlight like the 100000 lumen flashlights on Amazon go can you buy single 26650 & put 2 in the flashlight?
Yeah, but you'll have to modify the spring if using protected unless the spring doesn't have too much tension.
Ok so I need to know what is a quality battery replacement for the wowtac
Li-ion 18650 (3.6V 3400 Mah with working voltage of 2.7-4.2V
I got it with the BSS V3 taclite and well when I charged it had a really bad metal and grease smell coming from it. It has a USB port built into it but I dont have a Battery Recharger so I just used my phones wall charger to connect its USB charging cord into.
Fucking battery had the light working Bright as could be till tonight about week after I got it. Went to use it and it was dead.
The battery is made in China. I would like to replace it with a reputable battery but Im new to these types of batteries and Taclites Please give me a recommendation.
Is there a difference between CR 123 and CR 123a.
This guy knows his shit. Very informative!
Great info.
I bought 2 18650 cells that are supposedly used in e-ciggarettes and they say SE US18650VTC4 C4
G 1440289XE08K
Do you still prefer the batteries mentioned in the video? I need to buy a few dozen 18650s and a few decent chargers.
All still good choices here. Top picks for today SonyVTC6 and the Keeppower 3120ma protected. Xtar SV2 Rocket is a great charger because you can charge 2 channels at 2000ma each.
Helped me a lot thx
Wow! Very informative vid. Thanks. What do you think about "Bangood" as a battery supplier?
Hi G&K, I've not ordered a ton of cells from BG. I think the keepower cells they have are genuine, and I can't recall anyone at BLF reporting fake batteries from that store. The only "fakes" I've heard of coming from there were a few flashlights that use a clone (Latticebrite) of a cree LED and are then stamped as "Cree". To me that is really more of a reflection on manufactures than on BG though.
I use XTAR Protected 26650's in my 2D mags with the 5000 lumen dropin. Ive also just converted an ML150 to accept a paiur of 26650's rather than the lower voltage LifePO4 pack that comes in it.
Are GP Recyko batteries good?
Hey Matt, we need to know who the reputable battery dealers are. Can you suggest a few?
Hello, I need help, I bought a M3 pro flashlight from "On the Road" but it did not come with a battery and I don't know what battery to buy, I saw the Olight rcr123 but I am not sure it will work with this flashlight since there are 2 types of these batteries, one with a lighter green color and the other with a darker green, please help
Get an 18350 it's much better than cr123
Ner Montiero thanks, but doesn't it have to be a 16340?
Hi Matt, I'm from Scotland UK and have a Thrunite TN4A (cw) and every time I use it I can't help wondering "IF" I start using rechargeable batteries would I be better off and would it make that much difference ?
it's that same with aaa, would I be better off using rechargeable batteries in my OLight i3s EOS ?
I finally went and bought a Nitecore intellicharger new i4 BUT the only thing is I am as thick as two short planks when it comes to batteries etc, Could you PLEASE give me some suggestions or some helpful tips ?
Just remember that I live in the UK and we have different 240v to the US 120v
ps THANKS
Best Wishes from Bonnie Scotland
Hi Owen. I'd be glad to help you with that. I have been using NIMH recharageable AA cells for years, and never been sorry I bought them. I use aa cells quite a bit so they have paid for themselves many times over. My only suggestion is that you spend the money to get really good ones. Dont buy any knock offs. I use imedion 2400 ma cells. They are low self discharge type which is a must IMO, and the capacity yis good on them. In high drain applications they will outperform primary cells.
For the AAA cells I mostly use lithium primaries because I almost never use them. If you use yours a lot a quality set of NIMH might be a good alternative.
Matt, thanks for the video. Do you recommend high amp ratings or low amp ratings for flashlights. lots of videos on vap mods gets a bit confusing. Not sure if it applies to lights. thanks
Hi LD. By amp ratings do you mean the cell capacity rating, or the maximum discharge rating?
I would say moderate amp ratings. 10A would be plenty except for extreme cases.