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Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black

Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black

Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
Streamlight 88040 ProTac HL 750 Lumen Professional Tactical Flashlight with High/Low/Strobe w/2 x CR123A Batteries - 750 Lumens,Black
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Features

  • C4 led technology for extreme brightness
  • Led solid state power regulation provides maximum light output throughout battery life
  • Deep dish parabolic reflector produces a concentrated beam with optimal peripheral illumination
  • Regulated run time provides consistent performance throughout battery life
  • Durable anodized aluminum construction with knurled body for a sure grip

Description

The compact and powerful ProTac HL now shines brighter high lumen and producing a blinding 750 lumen beam to flood a large area with light. Ten Tap Programming. Choice of three user selectable programs: high/strobe/low; high only; low/high. C4 LED technology, impervious to shock with a 50,000 hour lifetime. 3 light output levels: high, low and medium. High for maximum illumination: 750 lumens; 18,300 candela peak beam intensity; 270m beam distance; runs 1.25 hours. Low for a less intense beam and longer run time: 35 lumens; 900 candela peak beam intensity; 60m beam distance; runs 18 hours. Strobe for disorienting or signaling: runs 2.5 hours. Multi function, push button tail switch for one handed operation. Optimized electronics provide regulated intensity. Durable anodized machined aircraft aluminum construction; O ring sealed glass lens. Anti roll head prevents the light from rolling away when you set it down. Removable pocket clip. IPX7; waterproof to 1 meter for 30 minutes. 1 meter impact resistance tested. Includes two 3V CR123A lithium batteries and nylon holster. 5.40 Inch (13.7 cm); 5.6 Ounce (159g) with batteries. Limited lifetime warranty. RoHS compliant.


Manufacturer Streamlight Inc


Part Number 88040


Item Weight 0.6 ounces


Product Dimensions 5.25 x 1.37 x 1.45 inches


Item model number 88040


Batteries 2 CR123A batteries required. (included)


Is Discontinued By Manufacturer No


Size 750 Lumens


Color Black


Style Protac HL, 750 Lumens


Material Aircraft Aluminum


Power Source Battery-Powered


Voltage 6 volts


Item Package Quantity 1


Number Of Pieces 1


Type of Bulb LED


Included Components Flashlight


Batteries Included? Yes


Batteries Required? Yes


Average Battery Life 1.5 hours


Warranty Streamlight's Limited Lifetime Warranty warrants this product to be free of defect, including the LED, for a lifetime of use. We will repair, replace or refund the purchase price, at our option, of any Streamlight product that does not work as a result of a manufacturing defect for as long as you own it. This limited lifetime warranty excludes abuse, batteries, switches, electronics and normal wear and tear. Switches and electronics have a two (2) year warranty with proof of purchase.


National Stock Number 6230-01-626-6796


ASIN B007RB82CS


Customer Reviews 4.6 out of 5 stars 8,634 ratings 4.6 out of 5 stars


Best Sellers Rank #965 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #16 in Handheld Flashlights


Date First Available March 30, 2012


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • C4 led technology for extreme brightness
  • Led solid state power regulation provides maximum light output throughout battery life
  • Deep dish parabolic reflector produces a concentrated beam with optimal peripheral illumination
  • Regulated run time provides consistent performance throughout battery life
  • Durable anodized aluminum construction with knurled body for a sure grip

Description

The compact and powerful ProTac HL now shines brighter high lumen and producing a blinding 750 lumen beam to flood a large area with light. Ten Tap Programming. Choice of three user selectable programs: high/strobe/low; high only; low/high. C4 LED technology, impervious to shock with a 50,000 hour lifetime. 3 light output levels: high, low and medium. High for maximum illumination: 750 lumens; 18,300 candela peak beam intensity; 270m beam distance; runs 1.25 hours. Low for a less intense beam and longer run time: 35 lumens; 900 candela peak beam intensity; 60m beam distance; runs 18 hours. Strobe for disorienting or signaling: runs 2.5 hours. Multi function, push button tail switch for one handed operation. Optimized electronics provide regulated intensity. Durable anodized machined aircraft aluminum construction; O ring sealed glass lens. Anti roll head prevents the light from rolling away when you set it down. Removable pocket clip. IPX7; waterproof to 1 meter for 30 minutes. 1 meter impact resistance tested. Includes two 3V CR123A lithium batteries and nylon holster. 5.40 Inch (13.7 cm); 5.6 Ounce (159g) with batteries. Limited lifetime warranty. RoHS compliant.


Manufacturer Streamlight Inc


Part Number 88040


Item Weight 0.6 ounces


Product Dimensions 5.25 x 1.37 x 1.45 inches


Item model number 88040


Batteries 2 CR123A batteries required. (included)


Is Discontinued By Manufacturer No


Size 750 Lumens


Color Black


Style Protac HL, 750 Lumens


Material Aircraft Aluminum


Power Source Battery-Powered


Voltage 6 volts


Item Package Quantity 1


Number Of Pieces 1


Type of Bulb LED


Included Components Flashlight


Batteries Included? Yes


Batteries Required? Yes


Average Battery Life 1.5 hours


Warranty Streamlight's Limited Lifetime Warranty warrants this product to be free of defect, including the LED, for a lifetime of use. We will repair, replace or refund the purchase price, at our option, of any Streamlight product that does not work as a result of a manufacturing defect for as long as you own it. This limited lifetime warranty excludes abuse, batteries, switches, electronics and normal wear and tear. Switches and electronics have a two (2) year warranty with proof of purchase.


National Stock Number 6230-01-626-6796


ASIN B007RB82CS


Customer Reviews 4.6 out of 5 stars 8,634 ratings 4.6 out of 5 stars


Best Sellers Rank #965 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #16 in Handheld Flashlights


Date First Available March 30, 2012


Shipping

This product includes free shipping to all US addresses.


Delivery

Unless otherwise stated above, most products arrive within 2-3 business days. Larger items may take 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Features

  • C4 led technology for extreme brightness
  • Led solid state power regulation provides maximum light output throughout battery life
  • Deep dish parabolic reflector produces a concentrated beam with optimal peripheral illumination
  • Regulated run time provides consistent performance throughout battery life
  • Durable anodized aluminum construction with knurled body for a sure grip

Description

The compact and powerful ProTac HL now shines brighter high lumen and producing a blinding 750 lumen beam to flood a large area with light. Ten Tap Programming. Choice of three user selectable programs: high/strobe/low; high only; low/high. C4 LED technology, impervious to shock with a 50,000 hour lifetime. 3 light output levels: high, low and medium. High for maximum illumination: 750 lumens; 18,300 candela peak beam intensity; 270m beam distance; runs 1.25 hours. Low for a less intense beam and longer run time: 35 lumens; 900 candela peak beam intensity; 60m beam distance; runs 18 hours. Strobe for disorienting or signaling: runs 2.5 hours. Multi function, push button tail switch for one handed operation. Optimized electronics provide regulated intensity. Durable anodized machined aircraft aluminum construction; O ring sealed glass lens. Anti roll head prevents the light from rolling away when you set it down. Removable pocket clip. IPX7; waterproof to 1 meter for 30 minutes. 1 meter impact resistance tested. Includes two 3V CR123A lithium batteries and nylon holster. 5.40 Inch (13.7 cm); 5.6 Ounce (159g) with batteries. Limited lifetime warranty. RoHS compliant.


Manufacturer Streamlight Inc


Part Number 88040


Item Weight 0.6 ounces


Product Dimensions 5.25 x 1.37 x 1.45 inches


Item model number 88040


Batteries 2 CR123A batteries required. (included)


Is Discontinued By Manufacturer No


Size 750 Lumens


Color Black


Style Protac HL, 750 Lumens


Material Aircraft Aluminum


Power Source Battery-Powered


Voltage 6 volts


Item Package Quantity 1


Number Of Pieces 1


Type of Bulb LED


Included Components Flashlight


Batteries Included? Yes


Batteries Required? Yes


Average Battery Life 1.5 hours


Warranty Streamlight's Limited Lifetime Warranty warrants this product to be free of defect, including the LED, for a lifetime of use. We will repair, replace or refund the purchase price, at our option, of any Streamlight product that does not work as a result of a manufacturing defect for as long as you own it. This limited lifetime warranty excludes abuse, batteries, switches, electronics and normal wear and tear. Switches and electronics have a two (2) year warranty with proof of purchase.


National Stock Number 6230-01-626-6796


ASIN B007RB82CS


Customer Reviews 4.6 out of 5 stars 8,634 ratings 4.6 out of 5 stars


Best Sellers Rank #965 in Tools & Home Improvement (See Top 100 in Tools & Home Improvement) #16 in Handheld Flashlights


Date First Available March 30, 2012


abunda_amazon_reviews I'ts a really nice light, if you get a true Streamlight. 3 settings: Hi, strobe, and low. Hi is bright enough to easily shine across my backyard about 100 feet long. Small enough so it just barely sticks out from my closed fist when held, just enough to use as a strike weapon if needed. Great for EDC. The clip is the key - lets you attach to your cap visor. The problem: I've bought 5 of these now. Two of them: randomly they would not turn on, when they did work, would not shine brightly, and would make a very soft but high pitched noise. These were counterfeit, but by the time I had used them enough to figure this out, many months had passed, could not return. My last purchase 8/28/18 luckily a real streamlight arrived and works great - below is the list of things you have to check right away, and if these are present, then send it back - see attached photos: Signs of counterfeit Streamlight: 1. ten-tap programming does not work --> counterfeit 2. unscrew the end cap: if O-ring is BLACK (instead of orange) ---> counterfeit 3. take the end cap off, remove battery - if there is NO SPRING in the front end of the flashlight, where it should contact the battery, --->counterfeit 4. end cap with grid texture pattern instead of the "SL" streamlight logo ---> counterfeit See attached photos.;;Reviewed in the United States on August 30, 2018;;2.0 out of 5 stars;;FAKE STREAMLIGHT: 2 of 5 lights.;;Bugman;;;Small, bright, lightweight, programmable. Perfect EDC light. There really isn't a reason/excuse to not carry a flashlight - everyday. The ProTac 1L-1AA is a great flashlight and I think it will end up passing up the ProTac 1L and 2L models in popularity. If you were like me, you are wondering - "how can a flashlight take a small CR123A and a AA battery?". When you unscrew the cap, you will notice the AA battery slides down into a retainer that has a spring on the bottom side. The AA will protrude out of the end of the flashlight, but you just compress the battery down as you screw on the end cap. Easy. The CR123A's fit flush. It's a great concept. Ten-Tap programmable so you can run it in different modes: High, Low/High, or High/Strobe/Low. Just momentary press the end cap 9 times and press to click on the 10th. Great flashlight. *UPDATE* It has been one year since this review. I have carried this light in my left back pocket daily. A few drops, scuffs and scratches but it is holding up just fine. Wrapped 14" inches of duct tape around the middle because duct tape is always good to have with you. And, it adds a little grip too. It's a great light. * Please let me know if my review has helped. Thank You.*;;Reviewed in the United States on December 14, 2016;;5.0 out of 5 stars;;Perfect EDC light;;AmazonReviewer;;;This is a great light for several reasons. I keep one in all the cars with a cr123 in them for emergency needs. They just work when you need them. Nice and small, also carry one on me or in my briefcase. It takes at least 5 different types of battery that I have found so far. I know that streamlight specifically states not to use Rcr123a rechargeables, but they work fine. Even better is that it runs on 14500 batteries. Now you do lose the low brightness when using rechargeables, it’s more like bright and slightly less bright. Strobe still works fine. But it is brighter than using cr123s for sure. I’ve done some pretty extensive testing with this and have run into no reliability issues yet. So you can run off 1AA, 1AAA, Cr123, Rcr123a, and 14500. In my testing a 800Mah 14500 will run bright for about an hour. Then it will diminish from about 280 lumens to about 50 lumens (as unscientificly measured against other flashlights of known lumen output) over the next 30 minutes. I stop testing at 1.5 hours, but expect it would just continue to dim and probably give you another 15-30 minutes of useable light. The light gets just as warm as it does with a Cr123 and then cools as the lumens decrease. The best part is that as compared to my Streamlight 2L-X it has slightly better throw. The 2L-X most likely still puts out more lumens, but it is hard to tell in the dark. They look nearly identical. This light just throws slightly farther and still has great spill. This light is nice and small and the clip is perfect for a hat brim or a pocket. The emitter is a bit more neutral white, but still a cooler color. Certainly not as yellow as a zebra headlamp in neutral. It is a nice bright neutralish cool white. I suspect streamlight doesn’t advertise the battery capability because they want to keep selling their Cr123 batteries. That or what I’m doing will kill the emitter quicker. Maybe both. Regardless, I have a bunch of these little lights as they have become my favorite. Stash them with Cr123s for emergencies, EDC/ use with a 14500 and carry a Cr123 as a back up. I’ve had luck with this but don’t recommend it since you “could” fry your light. Hasn't happened to me yet. But just to be safe....;;Reviewed in the United States on November 30, 2018;;5.0 out of 5 stars;;Duel fuel? More like 5 fuels!!;;Edward Billings;;;I am an Operator on a regional SWAT team and purchased this light for my SWAT dedicated rifle. Upon arrival, the light seemed perfect. Bright, clean light with the desirable mount kit. I rigged the light to my rifle and the issues started at my first training. I'd hit the pressure pad with no response. I replaced the batteries with no resolve. The problem continued and I was only able to get a flash out of the light when I whacked it on the side but couldn't get a constant on. I played with the connection and thought I fixed the problem until the light failed completely on a call out. I have emailed Streamlight twice with no response.;;Reviewed in the United States on November 19, 2017;;1.0 out of 5 stars;;Reliability;;Alex

Shipping

This product includes free shipping to all US addresses.


Delivery

Orders placed now will arrive in 6-9 business days. Tracking information will be automatically provided as soon as your order ships.


View our full shipping policy here.

Returns

This product can be returned within 30 days of delivery for a full refund. Please visit our returns center to begin a return.

View our full returns policy here.

Top Amazon Reviews


2.0 out of 5 stars
By Bugman - Reviewed in the United States on August 30, 2018
FAKE STREAMLIGHT: 2 of 5 lights.
I'ts a really nice light, if you get a true Streamlight. 3 settings: Hi, strobe, and low. Hi is bright enough to easily shine across my backyard about 100 feet long. Small enough so it just barely sticks out from my closed fist when held, just enough to use as a strike weapon if needed. Great for EDC. The clip is the key - lets you attach to your cap visor. The problem: I've bought 5 of these now. Two of them: randomly they would not turn on, when they did work, would not shine brightly, and would make a very soft but high pitched noise. These were counterfeit, but by the time I had used them enough to figure this out, many months had passed, could not return. My last purchase 8/28/18 luckily a real streamlight arrived and works great - below is the list of things you have to check right away, and if these are present, then send it back - see attached photos: Signs of counterfeit Streamlight: 1. ten-tap programming does not work --> counterfeit 2. unscrew the end cap: if O-ring is BLACK (instead of orange) ---> counterfeit 3. take the end cap off, remove battery - if there is NO SPRING in the front end of the flashlight, where it should contact the battery, --->counterfeit 4. end cap with grid texture pattern instead of the "SL" streamlight logo ---> counterfeit See attached photos.

5.0 out of 5 stars
By AmazonReviewer - Reviewed in the United States on December 14, 2016
Perfect EDC light
Small, bright, lightweight, programmable. Perfect EDC light. There really isn't a reason/excuse to not carry a flashlight - everyday. The ProTac 1L-1AA is a great flashlight and I think it will end up passing up the ProTac 1L and 2L models in popularity. If you were like me, you are wondering - "how can a flashlight take a small CR123A and a AA battery?". When you unscrew the cap, you will notice the AA battery slides down into a retainer that has a spring on the bottom side. The AA will protrude out of the end of the flashlight, but you just compress the battery down as you screw on the end cap. Easy. The CR123A's fit flush. It's a great concept. Ten-Tap programmable so you can run it in different modes: High, Low/High, or High/Strobe/Low. Just momentary press the end cap 9 times and press to click on the 10th. Great flashlight. *UPDATE* It has been one year since this review. I have carried this light in my left back pocket daily. A few drops, scuffs and scratches but it is holding up just fine. Wrapped 14" inches of duct tape around the middle because duct tape is always good to have with you. And, it adds a little grip too. It's a great light. * Please let me know if my review has helped. Thank You.*

5.0 out of 5 stars
By Edward Billings - Reviewed in the United States on November 30, 2018
Duel fuel? More like 5 fuels!!
This is a great light for several reasons. I keep one in all the cars with a cr123 in them for emergency needs. They just work when you need them. Nice and small, also carry one on me or in my briefcase. It takes at least 5 different types of battery that I have found so far. I know that streamlight specifically states not to use Rcr123a rechargeables, but they work fine. Even better is that it runs on 14500 batteries. Now you do lose the low brightness when using rechargeables, it’s more like bright and slightly less bright. Strobe still works fine. But it is brighter than using cr123s for sure. I’ve done some pretty extensive testing with this and have run into no reliability issues yet. So you can run off 1AA, 1AAA, Cr123, Rcr123a, and 14500. In my testing a 800Mah 14500 will run bright for about an hour. Then it will diminish from about 280 lumens to about 50 lumens (as unscientificly measured against other flashlights of known lumen output) over the next 30 minutes. I stop testing at 1.5 hours, but expect it would just continue to dim and probably give you another 15-30 minutes of useable light. The light gets just as warm as it does with a Cr123 and then cools as the lumens decrease. The best part is that as compared to my Streamlight 2L-X it has slightly better throw. The 2L-X most likely still puts out more lumens, but it is hard to tell in the dark. They look nearly identical. This light just throws slightly farther and still has great spill. This light is nice and small and the clip is perfect for a hat brim or a pocket. The emitter is a bit more neutral white, but still a cooler color. Certainly not as yellow as a zebra headlamp in neutral. It is a nice bright neutralish cool white. I suspect streamlight doesn’t advertise the battery capability because they want to keep selling their Cr123 batteries. That or what I’m doing will kill the emitter quicker. Maybe both. Regardless, I have a bunch of these little lights as they have become my favorite. Stash them with Cr123s for emergencies, EDC/ use with a 14500 and carry a Cr123 as a back up. I’ve had luck with this but don’t recommend it since you “could” fry your light. Hasn't happened to me yet. But just to be safe....

1.0 out of 5 stars
By Alex - Reviewed in the United States on November 19, 2017
Reliability
I am an Operator on a regional SWAT team and purchased this light for my SWAT dedicated rifle. Upon arrival, the light seemed perfect. Bright, clean light with the desirable mount kit. I rigged the light to my rifle and the issues started at my first training. I'd hit the pressure pad with no response. I replaced the batteries with no resolve. The problem continued and I was only able to get a flash out of the light when I whacked it on the side but couldn't get a constant on. I played with the connection and thought I fixed the problem until the light failed completely on a call out. I have emailed Streamlight twice with no response.

Recent Reviews


2.0 out of 5 stars
By Bugman - Reviewed in the United States on August 30, 2018
FAKE STREAMLIGHT: 2 of 5 lights.
I'ts a really nice light, if you get a true Streamlight. 3 settings: Hi, strobe, and low. Hi is bright enough to easily shine across my backyard about 100 feet long. Small enough so it just barely sticks out from my closed fist when held, just enough to use as a strike weapon if needed. Great for EDC. The clip is the key - lets you attach to your cap visor. The problem: I've bought 5 of these now. Two of them: randomly they would not turn on, when they did work, would not shine brightly, and would make a very soft but high pitched noise. These were counterfeit, but by the time I had used them enough to figure this out, many months had passed, could not return. My last purchase 8/28/18 luckily a real streamlight arrived and works great - below is the list of things you have to check right away, and if these are present, then send it back - see attached photos: Signs of counterfeit Streamlight: 1. ten-tap programming does not work --> counterfeit 2. unscrew the end cap: if O-ring is BLACK (instead of orange) ---> counterfeit 3. take the end cap off, remove battery - if there is NO SPRING in the front end of the flashlight, where it should contact the battery, --->counterfeit 4. end cap with grid texture pattern instead of the "SL" streamlight logo ---> counterfeit See attached photos.

5.0 out of 5 stars
By AmazonReviewer - Reviewed in the United States on December 14, 2016
Perfect EDC light
Small, bright, lightweight, programmable. Perfect EDC light. There really isn't a reason/excuse to not carry a flashlight - everyday. The ProTac 1L-1AA is a great flashlight and I think it will end up passing up the ProTac 1L and 2L models in popularity. If you were like me, you are wondering - "how can a flashlight take a small CR123A and a AA battery?". When you unscrew the cap, you will notice the AA battery slides down into a retainer that has a spring on the bottom side. The AA will protrude out of the end of the flashlight, but you just compress the battery down as you screw on the end cap. Easy. The CR123A's fit flush. It's a great concept. Ten-Tap programmable so you can run it in different modes: High, Low/High, or High/Strobe/Low. Just momentary press the end cap 9 times and press to click on the 10th. Great flashlight. *UPDATE* It has been one year since this review. I have carried this light in my left back pocket daily. A few drops, scuffs and scratches but it is holding up just fine. Wrapped 14" inches of duct tape around the middle because duct tape is always good to have with you. And, it adds a little grip too. It's a great light. * Please let me know if my review has helped. Thank You.*

5.0 out of 5 stars
By Edward Billings - Reviewed in the United States on November 30, 2018
Duel fuel? More like 5 fuels!!
This is a great light for several reasons. I keep one in all the cars with a cr123 in them for emergency needs. They just work when you need them. Nice and small, also carry one on me or in my briefcase. It takes at least 5 different types of battery that I have found so far. I know that streamlight specifically states not to use Rcr123a rechargeables, but they work fine. Even better is that it runs on 14500 batteries. Now you do lose the low brightness when using rechargeables, it’s more like bright and slightly less bright. Strobe still works fine. But it is brighter than using cr123s for sure. I’ve done some pretty extensive testing with this and have run into no reliability issues yet. So you can run off 1AA, 1AAA, Cr123, Rcr123a, and 14500. In my testing a 800Mah 14500 will run bright for about an hour. Then it will diminish from about 280 lumens to about 50 lumens (as unscientificly measured against other flashlights of known lumen output) over the next 30 minutes. I stop testing at 1.5 hours, but expect it would just continue to dim and probably give you another 15-30 minutes of useable light. The light gets just as warm as it does with a Cr123 and then cools as the lumens decrease. The best part is that as compared to my Streamlight 2L-X it has slightly better throw. The 2L-X most likely still puts out more lumens, but it is hard to tell in the dark. They look nearly identical. This light just throws slightly farther and still has great spill. This light is nice and small and the clip is perfect for a hat brim or a pocket. The emitter is a bit more neutral white, but still a cooler color. Certainly not as yellow as a zebra headlamp in neutral. It is a nice bright neutralish cool white. I suspect streamlight doesn’t advertise the battery capability because they want to keep selling their Cr123 batteries. That or what I’m doing will kill the emitter quicker. Maybe both. Regardless, I have a bunch of these little lights as they have become my favorite. Stash them with Cr123s for emergencies, EDC/ use with a 14500 and carry a Cr123 as a back up. I’ve had luck with this but don’t recommend it since you “could” fry your light. Hasn't happened to me yet. But just to be safe....

1.0 out of 5 stars
By Alex - Reviewed in the United States on November 19, 2017
Reliability
I am an Operator on a regional SWAT team and purchased this light for my SWAT dedicated rifle. Upon arrival, the light seemed perfect. Bright, clean light with the desirable mount kit. I rigged the light to my rifle and the issues started at my first training. I'd hit the pressure pad with no response. I replaced the batteries with no resolve. The problem continued and I was only able to get a flash out of the light when I whacked it on the side but couldn't get a constant on. I played with the connection and thought I fixed the problem until the light failed completely on a call out. I have emailed Streamlight twice with no response.