What size battery will this take. AA or AAA? I am not familiar with what an "18650" is.
1328540
It is not a standard AA or AAA battery. It is a 3.7 Volt Lithium Ion Battery that can be purchased for about three bucks. Search it in the Amazon search bar for information on the battery and charger. Good luck... By the way I like this light. Carry it all the time.
1328541
It is a different battery than what you are use to it is. Longer than a AA and fatter, get the battery and charger when you buy your flashlight .
1328542
nick-this unit uses special-hi-capacity,energy,3.7 volt-ion batteries-buy them on this site-buy the recharging unit also and you are good to go-regards-kilo
1328543
Neither the type of battery that these light run on is slightly biggerThan a double I believe its a 3.7 v u can or der battires with it an the charger that's what I did because these type of battery's you cant just go out an by. Just get save some heart ache and get the recharables. With the charger both are not easy to just go an by from kmart.plus there expensive.
1328544
This runs fine on two CR123a batteries. Streamlight batteries on here....12 for $18.99.
1328545
I bought mine with a battery and charger, I have not tried to find a replacement battery, but they are available on Amazon. The flashlight charger and the battery provided have exceeded my expectations so far.The battery supplied is slightly bigger than a AAA so those will just rattle around in the housing. If you search the flashlight on Amazon the replacement batteries will pop up below
1328546
With all due respect, if you do not know what a 18650 battery is, you should probably look for another flashlight that uses AA or AAA. There are a lot of possible dangers associated with this type of battery if you do not fully understand it. There is a 4 dollar flashlight on Amazon similar to this that uses a single AA battery (search for "cree flashlight" - FordEx Group is a popular one).
2262066
The 18650 batterie are larger that the 14500, and need a specific charger for them. They are about half-way between a AA and C size battery, the 14500 is an AA size battery.
839466
They are not a normal size battery. They are all over larger than AA, more like a longer slimmer C battery. They are very specialized for specific items. All the information provided on the battery is in the name: BRC 18650 3000 mAh 3.7V li-ion made by UltraFire.
406878
Unfortunately, the 18650 rechargeable battery will not fit in the flashlights. Mine just arrived around a half an hour ago, and tested them with the 18650, which sticks out from the base of the flashlight about a quarter of an inch. I'm not sure if this post was referring to an older model, but it doesn't fit the current.
1088688
I cannot remember if it was AA or AAA, but it does take regular batteries. I use mine when camping I have been impressed.
1640582
it's hard to say most use 18650 batteries but without the model of your flashlight it's hard to say. look here for your model and it will tell you what battery it uses.http://www.lightmalls.com/uniquefire-flashlights
2043424
No the 18650 is too large the 14500 will work as well as 1 AA battery. I have several of these flash lights, buy it you'll love it.
1534066
AA batteries will not work with this light. A single 18650 battery is what is recommended preferably a Panasonic or Tenergy 18650....most of the 18650 batteries sold are junk like ulrafire and trustfire. This is the one you need for your AA batteries--&gt; http://www.amazon.com/FordEx-Group-300lm-Flashlight-Adjustable/dp/B006E0QAFY/ref=sr_1_1?ie=UTF8&qid=1391994534&sr=8-1&keywords=cree
1023364
18650 is 4mm thicker, and 15mm longer than AA according to what I read. There does not appear to be any extra space in the flashlight battery compartment. I would say no. The 18650 will not fit.
1292371
Can use TRIPLE "AAA" batteries if you buy the battery holder.Dont know about Double "A" size
1902138
Will not accept AAA batteries. However, you may use 2 CR123 batteries found in the Photo Dept at your local department store. But a good 18650 will give maximum power. I think the CR123 is suffice
1510643
I don't think you can get this to work with an AA battery. It ships with a charger and two 18650 3.7v Batteries. You use one at a time. It's super bright and with a 1.5v battery, even if it fit (which I doubt) it would be very dim. The 18650 3.7v Battery is longer and has a greater diameter than an AA battery. There are many flashlights that look almost exactly lke this one but the are NOT the same. Read the specifications carefully.
279895
Mine has a AA size battery but is a rechargeable Lithium, it is 4.2 volts fully charged and 2.75 V drained. Mine is a UltraFire LC 14500 1200mAh 3.7 Volt. The 7 Watt light needs lots of current, You need the charger and 2 batteries if plan on using it a lot.
1534067
If your unit comes with the 18650 Battery, then no. If it comes with the 14500 battery, then yes you can use AA batteries. The light will be not as bright 1.5 volts ver 3.7 volts. but the light is still good.
2138747
Any charger that will fit the 18650 batteries. Amazon has some that are around 6 bucks and I use it. It's generic but works great.
203824
The 18650 battery is larger than a AA battery in diamter and length. It is about equal to two CR123A batteries stacked together and in some cases interchangeable. The 18650 puts out a little more power than two CR123A. The Obtronics batteries I purchased have worked perfectly for over a year now.
974290
This flashlight uses only one AA battery which puts out 1.5 volts. 18650 batteries put out over double that so the bulb may not last very long. With one AA battery in this light it is extremely bright so I would stick with just the AA.