Cool just extender tube, extra caddy, and tailcap in… hooked it all up and yeah works just great. Yeah its mostly about runtime… I’m pretty sure output is a bit higher as well. I can’t really see a difference, so its not huge deal, but just based off heat its driving leds harder. I had setup ceiling to be at point where light just was slightly warm in hand, was like level 100/150 or something. Switching to extender tube same level is now noticabely warmer, so more amps must be flowing due to smaller voltage drop with twice batteries in parallel.
My Mf01s came without the physical reverse polarity protection rings.
Did they change the design? Does anybody else have a Mf01s without it?
In this vietnamese youtube review of the Mf01s it seems to be the same:
youtube link
Mine came also without reverse polarity protection rings.
Was delivered early december. So it seems they changed it quite a while ago.
Thanks for checking.
I bought four Samsung 30Q button top because I thought it would come with the protection. Would have taken flat tops if I knew before.
Well, I’m happy they work both, so I can use my Sony button top or Samsung flat top.
Mine was an early MF01S and it has the protection rings.
Thats not good that the newer do not have it. That was the best polarity protection rings on the market, because they works also with all flat top batteries. E.g. from Samsung, which has the contact lower than the heatshrinktube around the flat top.
I will find out from them next week.
My MF01S was purchased after the first round of colors was long sold out. I bought purple when the colored became restocked in Beginning of December so mine is very newer. I use flattops VTC5A. Mine has two rings down inside battery tubes on positive posts, but none on the tailcap’s end. I watched Flashaholics video and his had two on the tailcaps positive posts. It seems Astrolux did this inconsistency and should send ones missed. Every time I read threads on this forum I find more issues with their stuff.
I dont see the problem, everybody buying this light should be able to insert 4 batteries correctly. Otherwise this light is too dangerous anyway.
Make sure for instance all 4 batteries are fully charged to the same level when you insert them, otherwise it could get really nasty…
People expect to get what they paid for. Surely you understand what it’s like to buy something and parts are missing. It’s irritating.
my flashlight stopped working in smooth mode, only in steps, switching to smooth mode and it stops working or blinks until you disconnect your head from the case. Correspondence with the store where I bought it until I solved my problem … maybe someone already encountered a similar problem?
I tried to reset it, but nothing comes out, even the reset is not done.
I’ve never heard of this. Was it blinking out the voltage level?
What was the the stores solution?
it behaves differently for me, now the smooth mode does not work, it used to not work at all, and even earlier there was a smooth mode, but only with incomprehensible jumps (trembled). If you briefly live your life 
and it all ends with a hang … he just starts blinking and does not respond to any actions other than blackout.
the video shows this hovering and not working smooth mode. When turned off, 3 clicks shows the charge, and when turned on 3 clicks on smooth mode as you can see, it immediately turns it off.
As for the store … the store is still delaying the solution to my problem: either they have a new year or a lot of calls, now they say that they solve my problem with the supplier.
The behavior in the video is something I’ve not seen. I would say the driver is messed up and needs replacing. If you can’t replace a driver, they would need to send a replacement head.
Thank you, my guesses were justified, I just thought maybe it wasn’t him, but now I understand that he’s really rejected, I read there was already a problem with the driver and just like you say the store replaced its head, but in my situation the store pulls with the decision, I will wait for them to decide. Thanks again
that the strangest thing was that he came without a defect, but after not using it for a long time, he began to die slowly, after each use his behavior was getting worse and worse, then completely stopped working, then after lying down a bit I tried to turn it on and it started to work, but it hangs periodically I repeat, the smooth mode stopped working. As soon as I wait for the store’s solution, I will definitely write it off.
The seriously defective Astrolux MF01S Banggood sent me last December exhibited similar, and worse, behavior. Banggood Customer Service refused to honor any part of the “guarantee” Banggood touts on its website. I mailed the worthless MF01S back to Banggood on January 6. PayPal and Chase Bank then refused to give me a refund because USPS First Class and Priority Mail tracking numbers aren’t scanned inside China. After I filed a complaint with the Consumer Financial Protection Bureau, Chase Bank reversed their decision yesterday and issued me a full refund.
So you only lost the $60 shipping cost?
I lost the shipping cost, but it was $23.50, not $60. That was USPS First-Class Package International Service with a tracking number (a tracking number that China Post refuses to scan). I could have paid more for Priority Mail but that tracking number wouldn’t be scanned in China either. When I mailed the package at my local post office, I told them I needed a tracking number. They gave me a receipt with a tracking number, but it stopped being scanned once the package reached China. As I subsequently discovered, the cheapest way to ship a MF01S from the USA to China, with a tracking number scanned by China Post all the way to the destination, would cost $77.50 by USPS Express Mail. I don’t see much point in spending $77.50 in non-reimbursed postage to get a refund of $80. It galls me that a Chinese vendor can spend $2 on postage and USPS will scan that package all the way to its final destination, but a person in the USA can spend over twenty times that much for postage to China and China Post refuses to scan the tracking number.
I don’t see what use PayPal’s touted “protection” is for consumers in the USA or Europe when ordering typical budget flashlights from Chinese vendors. In the case of a defective product you’re required to return to the merchant, it costs more (often far more) postage to return a budget flashlight via Express Mail (or FedEx or UPS) than you’d receive in a refund. I also discovered it’s an ordeal trying to open, and maintain, a dispute for a purchase made via PayPal’s “guest checkout.” Every time I needed to contact PayPal, whether online or by phone, it was a 2- to 4-hour wait before I was connected to a “specialist” who handles “guest checkout” disputes, even after I created a PayPal account. And then PayPal repeatedly sent me emails requiring me to do things which were physically impossible with a “guest checkout” purchase. Then it was another multi-hour wait to talk with the right “specialist” who’d tell me to disregard certain emails, but not other emails, as if I knew which were which without contacting them. It took another multi-hour wait to get PayPal to comprehend that I was the buyer, not the seller, despite having explained everything previously in great detail.
I finally gave up on PayPal since they wouldn’t issue a refund because the tracking number wasn’t scanned inside China then opened a dispute with Chase Bank, issuer of my Visa card. They refused to give me a refund until I filed complaints with three federal agencies. Then Chase Bank “reconsidered” the matter and gave me a “courtesy” refund.