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10 Best 21700 Flashlight

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Our team studied on 45678 reviews available online for 21700 Flashlight, chose the finest ones and prepared 21700 Flashlight Reviews for you. It was very difficult to shortlist the ideal 21700 Flashlight from thousands of products online. However, We tried to make sure that you get only the Best 21700 Flashlight from our suggestions. Check our listings-:

NoProductScoreAction
1ThruNite TT20 Tactical Flashlight9.8Buy On Amazon
2NITECORE E4K Next generation 21700 Compact EDC Flashlight - 4x CREE XP-L2 V6-4400 Lumens w/3x NITECORE NL2150HPR Rechargeable Li-ion Batteries9.8Buy On Amazon
3Klarus G15 4000 Lumens Ultra Bright Rechargeable EDC Flashlight9.8Buy On Amazon
4Sofirn SP35 Rechargeable LED Flashlight 2000 Lumen with ATR (6500K), Super Bright EDC Light with 21700 Battery (Inserted) and USBA to USBC Cable9.6Buy On Amazon
5Sofirn C8F Flashlight High Lumens9.4Buy On Amazon
6Acebeam T27 XHP35 HI Acebeam T27 Cree XHP35 HI Led 2500 Lumens Throw distance 1180 Meters Power Bank Flashlight With Cool White/Neutral White color tint Choice (Cool White)9Buy On Amazon
7Sofirn IF22A Powerful Rechargeable Flashlight9Buy On Amazon
8WdtPro Rechargeable LED Flashlight S50008.8Buy On Amazon
9Sofirn IF25A Flashlight High Lumens8.8Buy On Amazon
10Wurkkos TS21 Rechargeable Flashlight8.2Buy On Amazon

1. ThruNite TT20 Tactical Flashlight

  • TACTICAL DUAL-SWITCH – Made of AL T6061-T6 military-grade aluminum, the TT20 can quick turn to turbo mode (2526 high lumens) by a single press of the tail switch, keeping you safe in a dangerous situations.
  • 5000mAh 21700 BATTERY – The TT20 is powered by a High Capacity 5000mAh 21700 Lithium-Ion Battery (Included).
  • VERSATILE MODES – Includes a range of brightness levels from an infinitely high down to a very dim “firefly mode” and a strobe setting for emergencies.
  • LONG BEAM DISTANCE THROW – Equipped with a smooth reflector, the TT20 has a max beam distance up to 282 yards, perfect for outdoor searching and rescue.
  • USB-C FAST CHARGING – Built-in TYPE-C charging port and USB-C cable offers more compatibility and faster charging.

2. NITECORE E4K Next generation 21700 Compact EDC Flashlight – 4x CREE XP-L2 V6-4400 Lumens w/3x NITECORE NL2150HPR Rechargeable Li-ion Batteries

  • Equipped with 4 x CREE XP-L2 V6 LEDs with a lifespan of 50,000 hours, the NITECORE E4K is able to emit a blazing output of 4,400 lumens from a palm sized body with a max peak beam intensity of 11,100cd and a max throw of 211 meters, ideal for EDC (Everyday Carry), trekking, camping and more.
  • With the NL2150HPR battery (5,000mAh) included, the E4K is recommended to be powered by 1 x 21700 battery (discharge current over 15A) while compatible with 2 x CR123 / RCR123 batteries.
  • Specially designed for outdoor applications, the one hand operable side switch of the E4K has a wearproof silicone cover which is friendly for glove users.
  • Included Accessories: 3 x Nitecore 21700 Rechargeable Li-ion batteries (NL2150HPR 5,000mAh), USB-C charging cable, Clip, Lanyard, Spare O-ring, Holster, CR123 Battery Magazine.

3. Klarus G15 4000 Lumens Ultra Bright Rechargeable EDC Flashlight

  • High Lumens Camping Flashlight】This flashlight utilizes a CREE XHP70.
  • Compact Size with Lightweight】4.
  • 8 Lighting Modes】5 brightness levels: Turbo/High/Mid/Low/Moonlight.
  • Easy and Convenient Operation】 One click on/off, hold to switch between Low/ Mid/ High.
  • Large Capacity Battery and 2A Fast Recharging】The flashlight is powered by a 5000mAh 21700 Li-ion battery, can support a maximum of 200 hours or 40 days(5 hours/day) runtime.

4. Sofirn SP35 Rechargeable LED Flashlight 2000 Lumen with ATR (6500K), Super Bright EDC Light with 21700 Battery (Inserted) and USBA to USBC Cable

  • Super Bright】SP35 utilizes powerful SST40 led producing max 2000 lumens on Turbo.
  • LONG-LASTING & FAST CHARGE】Up to 7 hours of the most used Medium mode (400 Lumens) from the included rechargeable 21700 5000mAh battery.
  • TWO GROUPS UI】Group1 (6 Modes) has Eco(7LM)/Low(120LM)/Medium(400LM)/High(950LM) and hidden Moonlight(1LM) and Turbo(2000LM), or choose any brightness between 1LM and 2000LM in Group 2.
  • Tough and Smart】Aircraft graded aluminum body and IPX8 waterproofness enable SP35 a durable light for daily use or outdoor activities.
  • What You Get】1*SP35 with ATR; 1*21700 battery(inserted, please unscrew tail cap, take out the battery and remove the insulating paper before using); 1* TypeC charging cable, 1* manual and helpful customer service.

5. Sofirn C8F Flashlight High Lumens

  • Super Bright: 3x LH351D led 5000K give out max 3000-3200 lumens at Turbo( max output varies at different color temperature), lights up a whole foot field easily.
  • Meet Your Needs: choose from 1 mode, 3 modes, 4 modes or Ramping mode, no matter you like simple on/off operation or like having fun with it, it meets your need.
  • Tough EDC Tool: with rugged bezel design and tough material, C8F light survived from 12 strict tests in sofirn’s lab.
  • Excellent Runtime: powered by the 21700 battery, it runs about 23 days at moonlight.
  • Package Content: 1* C8F, 1* 21700 battery(inserted, please take out battery and remove isolating paper before using!), 1* USB charging slot with charging cable.

6. Acebeam T27 XHP35 HI Acebeam T27 Cree XHP35 HI Led 2500 Lumens Throw distance 1180 Meters Power Bank Flashlight With Cool White/Neutral White color tint Choice (Cool White)

  • Long Range Search Light. 2500 Lumen output, 1180 meters throw distance
  • Equipped with two switches.
  • Built-in a fast charging Micro-USB port, Direct charging the flashlight by use your phone charger adapter, Car Charger, Computer USB Port or Power Bank.
  • Come with a large capacity 5100mAh 21700 battery to provide optimal runtimes.
  • 6000K, Cool White

7. Sofirn IF22A Powerful Rechargeable Flashlight

  • Super Bright & Long Throwing: Equipped with SFT-40 led and TIR lens, which can get better and effective spot and has a more narrow pencil beam pattern with hardly no spill, max 2100 lumen, throwing up to 690m (approximately 6 football fields in length) on turbo mode.
  • Fast Charging & Long Runtime: IF22A offers a USB-C port for convenient recharging of its internal 21700 5000mAh battery.
  • Power Bank Output: The flashlight can work as a power bank to recharge external device, such as smartphones, bringing you a lot of convenience for outdoor travel.
  • Multiple Modes: Stepped mode from moonlight, low, medium,high to turbo and strobe.
  • Compact & Tough: 127.

8. WdtPro Rechargeable LED Flashlight S5000

  • The Brightest Flashlight Ever: Featuring high-power P70 LED, the rechargeable flashlights provide an incredible brightness of up to 3000 real lumens(Max).
  • Dual-Switch Design, Instant Strobe: You can quickly choose from 5 modes to meet your different needs with two separate buttons (Gear Button: High/medium/low, Instant Strobe Button: Strobe/SOS ).
  • Long Battery Life & Type-C Fast Rechargeable: Thanks to the high performance 4800 mAh 21700 rechargeable battery, the S5000 flashlight can provide up to 20 hours of continuous running time (low light mode) or 7 hours (powerful high light mode).
  • Smart Design: With over-heat protection to avoid high-temperature of the surface.
  • What You Get: 1x high lumens flashlights, 1x 4800mAh 21700 rechargeable battery(Pre-installed), 1x Type-C charging cable, 1x user manual, and our worry-free 24-months warranty and friendly customer service.

9. Sofirn IF25A Flashlight High Lumens

  • Super Bright : Sofirn IF25A utilizes 4 x 10W SST20 LED 4000K 95 High CRI, throwing up to 420 meters, makes it an all around flashlight for home, travel, and the great outdoors.
  • Compact and Durable: sofirn IF25A Rechargable Flashlight 3.
  • Remarkable UI: sofirn IF25A uses Anduril UI 2, the same as BLF SP36.
  • Advanced Technology Applied: Intelligent temperature control prevent overheating by reducing the output; Low Voltage Protection makes the light step down to a lower level when the battery is lower than 2.
  • What You Get: 1x IF25A rechargeable flashlight, 1x 4000mAh 21700battery(inserted), 1x USBC cable, responsive and helpful customer service, any issue, feel free contact us refund or replacement.

10. Wurkkos TS21 Rechargeable Flashlight

  • Ultra Bright 3500 lumens】Wurkkos TS21 utilizes 3x LUMINUS SST20 emitters, turbo mode output max 3500 lumens, throwing up to 217 meters(238yd), runtime up to 11 hours from the included rechargeable 5000mAh 21700 battery, brighter and long-lasting than most EDC flashlights.
  • COMPACT 21700 EDC LIGHT and FAST USB C CHARGING】4.
  • Andúril UI 】Andúril UI is a great program, not only for professional flashlight lover, it is also for ordinary consumers.
  • EASY and CONVENIENT OPERATION】Wurkkos TS21 is an extremely bright, powerful, and versatile EDC flashlight, It’s bright enough designed for home and professional use as well as outdoor activities like hiking, camping, dog walking, running, hunting, fishing etc.
  • 100% Satisfaction Guarantee】Your satisfaction is our top priority, If our products do not meet your expectations, as long as you contact us, things will be resolved.

21700 Flashlight Buying Guide


Does the thought of finding a great 21700 Flashlight stress you out? Has your mind been juggling between choices when it comes to buying 21700 Flashlight in general, specifically regarding which model to choose?
If that’s the case, know that you’re not alone. Many people find it tough to buy the perfect 21700 Flashlight for themselves. We understand the stress associated with the buying process!
Since you’re here, you are obviously curious about 21700 Flashlight Reviews. You’ve been bombarded with information, so you need to find a reputable source with credible options before you make any decisions on which product would be best for your needs.
There are many sources that’ll provide you with that information- buying guides or ratings websites, word-of-mouth testimonials from friends or family members, online forums where users share their personal experiences, product reviews specifically found all over the internet and YouTube channels. Only thorough research will ensure that you get the right product.
But that’s not always easy, right? That's why we've taken time to compile a list of the best 21700 Flashlight in today's market, on your behalf, so that there will be no more worries for you.
How did we come up with the list, you ask? How did we create this buying guide?
  • First, our algorithms collected as much information available about these products from trusted sources.
  • We employed both Artificial Intelligence and large data volume to validate all collected information.
  • Then our AI ranked them on their quality-to-price ratio using industry-standard criteria that let us pick the best 21700 Flashlight currently on the market!
The products aren’t chosen randomly. We consider several criteria before assembling a list. Some of the criteria are discussed below-
  1. Brand Value: What happens when you go for a not-so-reputable brand just because the price seems cheap? Well, the chance of getting a short-lasting product goes higher. That’s because the renowned brands have a reputation to maintain, others don’t.
Top 21700 Flashlight brands try to offer some unique features that make them stand out in the crowd. Thus hopefully, you’ll find one ideal product or another in our list.
  1. Features: You don’t need heaps of features, but useful ones. We look at the features that matter and choose the top 21700 Flashlight based on that.
  2. Specifications: Numbers always help you measure the quality of a product in a quantitative way. We try to find products of higher specifications, but with the right balance.
  3. Customer Ratings: The hundreds of customers using the 21700 Flashlight before you won’t say wrong, would they? Better ratings mean better service experienced by a good number of people.
  4. Customer Reviews: Like ratings, customer reviews give you actual and trustworthy information, coming from real-world consumers about the 21700 Flashlight they used.
  5. Seller Rank: Now, this is interesting! You don’t just need a good 21700 Flashlight, you need a product that is trendy and growing in sales. It serves two objectives. Firstly, the growing number of users indicates the product is good. Secondly, the manufacturers will hopefully provide better quality and after-sales service because of that growing number.
  6. Value For The Money: They say you get what you pay for. Cheap isn’t always good. But that doesn’t mean splashing tons of money on a flashy but underserving product is good either. We try to measure how much value for the money you can get from your 21700 Flashlight before putting them on the list.
  7. Durability: Durability and reliability go hand to hand. A robust and durable 21700 Flashlight will serve you for months and years to come.
  8. Availability: Products come and go, new products take the place of the old ones. Probably some new features were added, some necessary modifications were done. What’s the point of using a supposedly good 21700 Flashlight if that’s no longer continued by the manufacturer? We try to feature products that are up-to-date and sold by at least one reliable seller, if not several.
  9. Negative Ratings: Yes, we take that into consideration too! When we pick the top rated 21700 Flashlight on the market, the products that got mostly negative ratings get filtered and discarded.

These are the criteria we have chosen our 21700 Flashlight on. Does our process stop there? Heck, no! The most important thing that you should know about us is, we're always updating our website to provide timely and relevant information.
Since reader satisfaction is our utmost priority, we have a final layer of filtration. And that is you, the reader! If you find any 21700 Flashlight featured here Incorrect, irrelevant, not up to the mark, or simply outdated, please let us know. Your feedback is always welcome and we’ll try to promptly correct our list as per your reasonable suggestion.

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