Olight S2R Baton II

This or this may help.

Maybe take apart the flashlight, give parts a quick wipe, put everything back, tighten everything. But wait….then untighten everything again and tighten it back up again.

Have you cleaned the contacts on the flashlight tailcap with alcohol, maybe a pencil eraser? Looks clean in the videos but sometimes that solves contact issues. If the charger interface is good then perhaps the battery and springs in the light need the same treatment, especially the little brass ring in the bottom that contacts the battery positive. Sounds like you've already used a different source of power (at your dad's?) to rule that out. Does the light exhibit any weirdness in use? If not then chances are it's the contacts/interface between the charger cap and the outside of the tail cap. Be sure that plunger moves freely because it has to poke down against the center contact in the tail cap and provide good pressure (and be clean).

The charger for the little S1R II is the only one I have but it looks identical. It doesn't flicker unless I really wiggle it around to the point of breaking contact and seems to be drawing a steady 850mA from the wall wart. I also have the similar Olight usb charger has which uses two caps for either end of the battery. It has exhibited some red-green flash and also the flicker here a few times but that has been solved each time by a simple cleaning of those contacts. Same thing on a Rofis which uses more or less the same setup.

I used to complain about olight using the cheapest junk batteries they could find, and making them proprietary. But nobody would believe me. You used to be able to use quality non-proprietary batteries, but the charge function wouldn’t work. Don’t know if you can still do that or not.

Maybe try switching your dad’s battery into your light.

Did you ever pick up a multimeter so you can check voltage? I'll have to try this and observe but I wonder what these chargers do when cell voltage is pretty low. There's always a period of initializing and pulsing with any smart charger before it settles into a charging rate...I don't suppose that would show in the indicator led but maybe?

If you never open/remove then yeah, it should stay clean inside. Personally I usually take mine out and charge it in a normal charger because I'm not terribly fond of the charging rate the mag charger provides the little 16340 cells I have (over 1C charge rate, I think...measured at the wall and on the mag cap, but I can't tell what it's actually doing in the circuit when the battery is involved. I think it's a bit too high, though, for my liking.). But it doesn't hurt to clean it anyway. The plunger is the spring loaded nib on the mag cap itself. One of those threads linked above talks about a malfunction there where some cleaning (and lubing, which I don't think is necessary) fixed his situation with a plunger that stopped traveling freely I guess.

When you clean, give it some good pressure. Sometimes you can't see oxidation like you can some grease or schmoo. Q-tip with alcohol is fine (or a clean cloth even). With the other usb charger of theirs, I was somewhat surprised when a legit cleaning fixed it because they really didn't look dirty and I'd already wiped them. This may not be your solution but it's the first place to start, and it seems as though you've ruled out a couple other possibilities including (I assume) power source.

I'm a little curious how the bits in the tail of the light are set up. When I measure voltage on the mag cap the plunger is negative, ring is positive. But in the light, that center post that the plunger contacts looks like it's straight through to the positive contact on the battery. Hard to see in there and there could be some swapping by via on that little board. It'd be interesting to see how they're assembled.



As far as I know you still can. I'm not particularly fond of any of the onboard mag charging setups but I think the way Rofis did theirs was a better idea...no question about cells or orientation, just need the prissy charging cable. I don't see any advantage in reinventing the wheel with tailcap mag charging other than being able to more easily stand the light upright on its face when connected. Interesting exercise for the engineers/designers I suppose...gives some extra bullet points for the marketers to use...hopefully ensnares at least as many customers who will be locked into buying your proprietary junk as it does drive away others who don't want to be locked into it. Someone probably enjoys patent awards and accolades, too.

You un-wrapped a brand new battery? LG cells are good cells, but these MH1’s along with the F1’s are LG’s cheap line of cells. I think the MH1’s are rated at 10A, and the F1’s 6A, something like that.

That disk on top of the cell is the charge and protection circuit, and looks like it adds considerable length. Therefore, a standard 18650 samsung or sony, probably wouldn’t work like they used to on the older Olight flashlights.

Most likely that battery circuit is your problem.

This is a LG F1 flat top. No protection or charge circuit

Ah, got it. Try taking the battery out of the new light and testing your old light with it to see if the battery was the problem. There may be nothing wrong with the flashlight itself

These are the newer olight proprietary cells with that huge circuit. It’s probably more like an 18700+ size and may not fit in a standard charger. Also, the positive and negative are on one end of the cell.

I’d bet the main reason Olight does this is, to sell $2 dollar batteries for $15.

I thought you said you just tried the charging cable. Why did you peel the wrap it when you knew it wasn’t a problem with the battery? oh well

Gotchya. So, did you swap the battery with a known good one on your new light or not?

btw, the @ symbol doesn’t tag or do anything on this forum. You can hit the quote button, and edit anything out irrelevant to the reply.

So I wasn’t confused after all. That was exactly the point I was getting at in the first place. You never ruled out the battery as the problem.

Notice how I edited the quote?.. lol

Convoy S2+ with a simple off/on switch and 4 modes. IMO, a better flashlight than the Olight and 1/3rd the price. And you get to deal with the owner who’s a member of this forum.

You could pick up one of these.

https://www.fenixlighting.com/product/arb-l18-3500u-built-in-usb-rechargeable-battery/

They are pretty pricey but if you just want to keep one cell and you don’t want to deal with external chargers, you can pick up one of those and an S2+ for less than what the Olight costs. It’s a long cell but I can confirm it does fit in the S2+.

Where is this coming from, BLF is good at welcoming those who ask for knowledge.
All you have to do is ask and ye shall receive flashlight wisdom



Nonsense. :) Stick around.

Interesting pic of the 18650...I'd seen (only photos) of theirs and the newer 21700 which has the plastic ring like my little 16340 and assumed the 18650s were kind of the same gig. Is there actually a charging circuit in that add-on gizmo, not just protection? Does seem like an awfully large add-on to a cell especially with how others have been able to shrink the pro circuits to take up much less space. A little surprised they use a cheaper cell like that, too, but it's probably fine-enough with their driver and regulation. I think I'm more interested in what appears to be going on at the tail cap interface with the charging.

CRC, not sure what to say about the baton...I think most people are aware that Olight is a very heavy dose of marketing on some mostly very nice lights, but it seems that they are definitely not immune to the common issues with "cheap" electronics from overseas. Cheap meaning design, not price. Most brands suffer from one thing or another, some repeatedly, and it's just part of the territory but sometimes you get big winners and they'll last problem-free for years of use. I'm just curious what's going on with the dang thing but I'm sure Olight will take care of you with another replacement.

When you feel like it, people can recommend some good cells to buy...might have to order those separately from one of our good battery wholesalers...and a light that has onboard charging and suits your needs lightwise. No problem to continue with the Olight but there's a lot to pick from and some are wonderful while still being cheap (most often way less money than virtually any Olight model). That would still keep the door open for you to pick and use high quality batteries, with or without protection (in addition to whatever protection might be in the light's driver), and if you want you can get a regular charger someday, too. No worries! Just stinks to have a defective light, doesn't it...twice. And since you're unsure of when to feel safe or worried, that doesn't make it any easier. But it's been a couple months and you know more than you did at first! I don't think you're as dumb-dumb as you yourself suspect, just frustrated...totally understandable. :)



Oh, I dunno. It's a big forum, a free open wild-wild-west forum full of mostly good people. All forums have the standard types/groups/cliques of people, this one is no different. Sometimes people inject sort of a mean or crass humor at times without actually offering anything helpful or constructive, but it's still just humor usually. Hopefully you haven't taken any of that to heart. I'm pretty sure most people would get a little tingle if they discover that you did become a newly-converted official bona fide Flashaholic, but in my observation there are a ton of people here who are not -holics and just have a passing interest or only want to find a good practical light and don't have interest in cutting-edge stuff or mods or various firmwares. And that's just fine, really! I fall somewhere in the middle although I've had an interest for many years now. I started nosing around here not long after the forum was created, then registered sometime around 2014, never said a word or made a post/thread, just read and followed along sporadically while using the lights I had and looking occasionally for new ones. Sometimes just reading gave me answers to questions or problems I had. Basically just the dreaded lurker and freeloader. lol. Anyway...all that time, all the people that have come and gone or been around and never said much....totally normal for a forum and you can choose how much or how little for yourself, y'know? When it comes to getting help, sometimes it's just luck of the draw. With most hobbies many people will behave differently as they move along their learning curves...sometimes the people who know the most or who have been around a forum for a very long time just get a little tired of repeating answers for questions, so they don't look at those threads anymore or let another member give their input. Or maybe they don't see your thread and happen upon it weeks or months later and give some wisdom then. And some just stay within their smaller circles of interest or friendships they've developed here. But there's room for everyone, absolutely. Or maybe I'm wrong and they'll ban me tomorrow. lol. But that's my take after years reading here, and experiences with other forums...basically just enjoy what you can for as long as you want, don't worry about it. Heck, there are some people here that after a decade or whatever still ask some very basic questions that one would supposed they'd already have learned the answers to...room for them as well. :) When Sb made this forum he wanted it to be welcoming to everyone and I must say that it's kinda remarkable that it ended up that way and mostly still has for so many years....pretty rare thing on the internet and wherever two or more may gather!

It’s probably the simplest light you can find other than a single-mode incandescent. It’s highly unlikely you will use it in a way that will harm it.

  • Insert cell
  • Press switch
  • Photons come out
  • Profit

Good choice, this place is full of good people and info. I’m not into the modding
But love my flashlights. We all started somewhere. Didn’t know about 16340,18650 and so on but it’s not a big deal. Just get a quality charger(which Are not expensive) and buy only name brand Japanese cells and you will be golden.
Best of luck and welcome.