Best 21700 Flashlight (2024 Update)

The Ultra BRIGHT SP33V3 flashlight boasts an impressive 3500 lumen (MAX) powerful LED that can sweep an extremely bright light that reaches nearly 1000 ft. With its powerful beam, the flashlight can easily light up a whole football field.

This flashlight is USB rechargeable, making it convenient for outdoor enthusiasts who want to stay powered up on the go. It can be fully charged in just 6 hours with a 5V / 2A adapter (NOT INCLUDED), and the included Type-C USB cable. It can also be charged using a PC or other compatible devices.

The LONG WORKING TIME of the SP33V3 flashlight is impressive. It can work for 9 hours at Medium Mode (450 Lumen) brightness from the included premium battery. At Low Mode (150 LM), it can work for up to 26 hours, and at Moonlight mode (1 LM), it can last for a month, making it ideal for outdoor survival, hiking, camping, fishing, and other activities.

The SMART Design of this flashlight ensures that it adjusts the brightness automatically to avoid over-heating while keeping its high lumens at the same time. The side switch indicator also reminds you when it's time to recharge.

The SP33V3 flashlight comes with a one year unlimited warranty and a three-year limited warranty, giving you peace of mind with your purchase. If you have any questions or concerns, their customer service team is highly focused on ensuring your satisfaction.

Introducing the high-performance flashlight that will surely meet your lighting needs – the MAX 4400 Lumen Output Flashlight. This flashlight boasts of its impressive 4 CREE XP-L2 V6 LEDs and a high capacity 21700 battery that delivers a maximum output of 4400 lumens. This feature makes it ideal for outdoor activities, search and rescue missions, or even as a reliable source of light during power outages.

One of the standout features of this flashlight is the Mode Memory function, which automatically remembers your last mode. This feature ensures that you can easily switch back to your preferred mode without having to cycle through all the different modes.

In addition to the Mode Memory function, this flashlight also includes special modes such as SOS, beacon, and a dizzying strobe mode for self-defense. These modes can be activated with ease using the large, side switch, even with bare or gloved hands. Furthermore, you can activate 5 brightness levels and 3 special modes, making it a versatile tool for any situation.

The MAX 4400 Lumen Output Flashlight comes complete with a 21700 rechargeable Li-ion battery, a USB-C charging cable, a CR123A battery magazine, a two-way pocket clip, a holster, a lanyard, and a spare o-ring. This comprehensive package ensures that you have everything you need to start using your new flashlight right away.

Introducing the WUBEN C3, the latest addition to the EDC flashlight line. This powerful flashlight boasts a Germany imported P9 LED that provides bright light up to 1200 lumens, reaching almost 588 ft. With its 6 adaptable light modes, including High, Medium, Low, Eco, Strobe, and SOS, the WUBEN C3 is perfect for any situation. Additionally, the flashlight features a memory function that remembers the last used mode. On Eco mode, the flashlight can last up to 143 hours.

The WUBEN C3's light transmittance is a remarkable 92~93%, making it the best in the market. The high transmittance lens has exceptional aging resistance, making it perfect for outdoor use. The unique head design allows you to easily distinguish whether the flashlight is turned on or off when it's standing.

The flashlight is equipped with a built-in Type-C charging port, making it convenient for you to charge it anywhere, anytime. The flashlight features an anti-reverse installation function protected circuit that ensures you have quality light and safety. Moreover, the indicator shows you the electricity level, and when the power is less than 15%, the indicator will keep flashing red. It also indicates charging status, with full being blue and charging being red.

The WUBEN C3 features a solid build, with the flashlight body made of hard anodizing aircraft grade 6063 aluminum alloy. Its IP68 water resistance and 1.5 meters impact resistance make the flashlight capable of enduring rough handling and harsh weather conditions.

This pocket flashlight is 4.78 inches long and weighs 4.34 ounces, making it the perfect size for everyday carry. The pocket clip and lanyard make it very convenient to carry with you wherever you go. Additionally, there is an optional flashlight holster available in our store, providing multiple ways to carry this versatile flashlight.

Introducing the Imalent LD70, the ultimate EDC flashlight that is sure to impress. With a powerful Cree XHP70.2 LED, this flashlight is capable of producing an impressive 4,000 lumens of brightness, making it one of the brightest EDC flashlights on the market. Not only that, but it also has a lighting range of over 667 ft, making it perfect for outdoor use.

The Imalent LD70 has a smart and compact design that makes it easy to carry with you wherever you go. Its pocket-friendly chassis has an anti-slip finish that ensures it stays secure in your hand, and it can even stand on-end to be used as an emergency lamp. What's more, an OLED display shows the brightness levels, voltage, and other essential information.

Measuring just 3.18 inches in length and with a bezel diameter of 0.98 inches, the Imalent LD70 is small and portable, making it easy to carry in your pocket or attach it to your keychain. Despite its compact size, this LED flashlight is incredibly powerful and perfect for outdoor activities like running, camping, and adventure.

Crafted from military-grade aluminum, the Imalent LD70 is virtually indestructible, and its IPX-8 water-resistant design ensures it can withstand even the harshest conditions. It can even survive a 59-inch drop, making it an excellent choice for those who need a reliable flashlight for daily use or outdoor activities.

The Imalent LD70 is also incredibly versatile, with six different modes to choose from. You can operate it using momentary on and quick mode shifting (20lm, 200lm, 900lm, 2000lm, Turbo, and Strobe) all through a convenient button switch, allowing you to adjust the brightness and functionality to suit your needs.

The N7 LED Flashlight is an ultra-bright and long-lasting lighting device that can easily illuminate an entire room or objects up to 413 feet away. It is 10 times brighter than old incandescent lights, making it an excellent choice for various outdoor activities, such as camping, hunting, and fishing.

This flashlight can operate with a single AA battery or a 14500 rechargeable battery, providing several hours of continuous use. The smart voltage technology allows the flashlight to deliver 250 lumens with an AA battery and 600 lumens with a 14500 rechargeable battery. Please note that batteries are not included with the unit.

The N7 LED Flashlight has a 90-degree rotate and magnetic tail cap, making it easy to attach to any ferrous metal surface for hands-free usage. It also features four useful settings – High, Low, Strobe, and Sos – making it ideal for use around the house, dog walking, or as a tactical flashlight.

This flashlight is designed to be tough and reliable. It has an IP65-rated water-resistant body, making it suitable for use in heavy rain or emergency situations. It can survive a 4-feet drop or being temporarily submerged in water, making it tough as nails. Additionally, it has energy-saving settings that allow you to lock the unit out by unscrewing the tail cap a few turns when not in use.

The N7 LED Flashlight has a smart design that includes a 206-foot wide range of lightweight bodies that can be easily carried around in your pocket. It also features a non-slip coating that provides a secure grip, even in wet conditions. Moreover, it can stand at one end as an emergency light source.

With the purchase of the N7 LED Flashlight, you will receive a welcome guide manual and a worry-free 12-month warranty. If you encounter any issues with the flashlight, the friendly customer service team is available to assist you. Overall, the N7 LED Flashlight is an excellent lighting device that provides reliability and durability for various outdoor activities.

This high-quality flashlight boasts an impressive list of features that make it stand out from the crowd. Crafted from durable aluminum alloy, this flashlight is built to last and withstand even the toughest conditions. It comes equipped with a smooth reflector and an ar-coated lens for optimal performance and maximum brightness.

In addition to its impressive construction and design, this flashlight also includes a number of useful features such as low voltage warning and reverse polarity protection. With a side switch position and mode memory, this flashlight is easy to use and operate, making it an ideal choice for both novice and experienced users alike.

One of the most impressive features of this flashlight is its compatibility with a single 21700 battery. This allows for longer run times and increased performance, making it an ideal choice for those who need a reliable and powerful flashlight for extended use.

Measuring in at 146.5mm in length, with a head/body diameter of 45.4mm/27.3mm, and weighing in at a solid 166g, this flashlight is both compact and lightweight, making it easy to carry and use on-the-go. And with a maximum charging current of 2A, this flashlight is quick and easy to recharge whenever you need it.

Please note that the battery charger is not included with this flashlight and will need to be purchased separately. However, with its impressive list of features and durable construction, this flashlight is an excellent choice for anyone in need of a reliable and high-performing lighting solution.

Before using the TC15 V3 flashlight, it is important to charge it fully and screw down the light head and tail cap securely. Once ready, users can experience the extreme output of the flashlight, powered by a CREE XHP 35.2 LED, which can produce up to 2403 lumens and a beam distance of 731 ft / 223 m.

The TC15 V3 features a built-in USB type C charging port and a battery level indicator, which allows for fast and easy recharging using the included battery and charging cable. The flashlight also offers a range of modes to suit any situation, including Firefly, Low, Medium, High, Turbo, and Strobe light modes.

The TC15 V3 has a user-friendly interface and rugged design, with quick access to Turbo mode from any mode with a double-click for added safety in dangerous situations. The non-slip knurling design also makes the flashlight glove-friendly.

Despite its powerful output, the TC15 V3 is compact and lightweight, weighing only 4 oz / 113 grams and measuring 4.8 inches / 12.19 cm long. This makes it the perfect gear for outdoor activities and adventures, as it can easily fit into backpacks, pockets, and belts.

The SP36 flashlight is a powerful and durable device that is perfect for caving, searching and military use. It is equipped with 4x LH351D led that can produce at least 5000 Lumens max. The device has undergone a dozen tests, including dropping, submerging into water (2 meters deep), heat up, and cooling down, making it extremely tough and reliable.

The SP36 flashlight has a long runtime and can last up to 45 days in Eco mode. It runs off 3*button top batteries, which are included with the device. It is important to note that the light is intended to be used with BUTTON TOP batteries only and is not compatible with flat top batteries.

Designed by flasholics who want a powerful light that meets most people's needs, the SP36 flashlight is also fun and easy to use. With its remarkable UI, it can be played as a toy or used as a tool. It is easy to turn on by simply clicking, and ramping can be achieved by pressing and holding.

Sofirn, as a factory, offers high-quality lights at reasonable prices and friendly customer service. They are always eager to hear from their customers and strive to ensure their satisfaction. In case of any guidance needed, the manual should be read word by word and the Sofirn team can be contacted for assistance.

Introducing the YIERBLUE Ultra Bright Heavy Duty Flashlight, the ultimate solution to all your lighting needs. This flashlight boasts a super-bright 160000 lumen (max) LED light that generates a brilliant focused spot beam with an illumination distance of over 2600ft/800m. With a battery life of over 20 hours, this flashlight is perfect for dealing with even the darkest of environments. It features 3 adaptable settings: High / Low / Flash (long press the switch for 3 seconds), making it versatile and suitable for a variety of situations.

But that's not all – the YIERBLUE flashlight also comes with an extra flood side light that has 24 evenly distributed LED beads. This soft flood flashlight is perfect for when you need to see something close when repairing, working, reading, or camping, without hurting your eyes. It can even be used as a camping lantern and has 3 adaptable settings: High / Low / Red&Blue (long press the switch for 3 seconds).

Rest assured that you're making a wise investment with the YIERBLUE Ultra Bright Heavy Duty Flashlight. It comes with a lifetime warranty and 24-hrs online after-sale service. In the unlikely event that you receive a defective spotlight, contact the manufacturer and they will immediately send you a replacement unit for free. No refund required. And don't worry about the return window being closed – YIERBLUE has got your back.

Say goodbye to the hassle of searching for batteries that are never there when you need them. The YIERBLUE flashlight features 3 long-lasting, built-in rechargeable batteries (10000mAh), which can be recharged over 1000 times. It can also serve as a power bank for smartphones or mobile devices in an emergency, bringing much convenience to your outdoor travel.

Durability and portability are key features of the YIERBLUE Ultra Bright Heavy Duty Flashlight. It is made from tough, impact-resistant military-grade ABS material and aluminum alloy, which can protect the system from drops and bumps while in use. It is a perfect lighting tool for hiking, camping, sailing, or hunting. It even includes an adjustable and foldable tripod stand for hands-free use.