The Acebeam T37 is a purpose-built tactical and duty flashlight engineered to deliver high-performance illumination with absolute reliability in demanding situations. From law enforcement professionals to emergency responders, outdoor explorers to security personnel, the T37 offers a robust feature set that combines intelligent design, raw power, and user-centered ergonomics. Compact yet formidable, this flashlight exemplifies what modern tactical lighting should be—versatile, durable, and intensely bright when it matters most.

At the core of the Acebeam T37 is a single, high-output SFT-90X 6500K LED, a performance-focused emitter known for its excellent beam concentration and throw. With this advanced LED at its heart, the T37 can unleash up to 4000 lumens of piercing white light, cutting through darkness and projecting a concentrated beam up to 440 meters into the distance. Whether you're scanning open terrain, navigating hazardous environments, or identifying distant objects, the T37 provides a beam that is both tight and powerful, making it exceptionally useful for long-range applications where clarity and intensity are crucial.

The flashlight's beam profile is specifically tailored for tactical operations, featuring a sharp central hotspot supported by a clean spill that allows for situational awareness without overwhelming the surroundings. This carefully calibrated balance between throw and spill ensures that users can confidently rely on the T37 for focused tasks while retaining the peripheral visibility necessary in dynamic environments. The peak beam intensity of 48,400 candela underscores the flashlight's ability to maintain definition and brightness across considerable distances.

What sets the T37 apart from other tactical flashlights is its intuitive and reliable control system. The rotary magnetic switch, located near the flashlight’s head, allows for seamless mode selection with a smooth, tactile feel. This magnetic ring lets users quickly scroll through five distinct output levels—including Ultra Low, Low, Medium 1, Medium 2, and High—with the ability to instantly access Turbo and Strobe modes when needed. The mechanical reliability of the magnetic ring, combined with its ease of use, makes it ideal for high-pressure scenarios where quick reaction times and muscle memory can be critical.

In addition to the rotary switch, the T37 features a two-stage tail switch that offers both momentary and constant-on functionality. A light press activates momentary mode, allowing for quick illumination bursts without fully engaging the light, while a full press provides a steady beam. This dual-function tailcap enhances the flashlight’s tactical flexibility, particularly during search operations, rapid transitions, or when quick light discipline is required. The combination of both side and tail switches gives users complete control, regardless of their preferred grip or operating conditions.

Power is supplied by a 21700 rechargeable Li-ion battery with a substantial 5000mAh capacity, ensuring extended runtimes across all brightness settings. On Ultra Low mode, the flashlight can operate for an impressive 72 hours, making it suitable for extended field operations, camping excursions, or emergency preparedness. Even at medium and high outputs, runtimes are impressive thanks to the flashlight’s efficient power management system. For instance, Med1 (170 lumens) delivers over 13 hours of continuous use, while Med2 (420 lumens) maintains over 5 hours, offering reliable mid-range illumination for sustained tasks.

When maximum brightness is necessary, the Turbo mode engages the full 4000-lumen output for a short burst of one minute, before stepping down to prevent overheating and extend battery life. From there, it maintains 700 lumens for an additional three and a half hours, making Turbo both practical and sustainable in real-world applications. Similarly, the High mode starts at 1000 lumens and steps down in a controlled manner to manage temperature while preserving visibility and extending functionality. The Strobe mode, accessible with a simple twist, provides high-output disorienting flashes, ideal for emergency signaling or defensive use in unpredictable scenarios.

The T37’s charging system is just as refined as its output. Equipped with a hidden USB-C charging port, the flashlight recharges quickly and efficiently in just 2.5 hours. The port is discreetly integrated into the body design to maintain the flashlight’s streamlined profile and to protect against water and dust ingress. This design detail not only contributes to the unit’s aesthetics but also enhances its ruggedness and reliability under field conditions. USB-C connectivity means compatibility with a broad range of charging devices, from wall adapters to portable power banks, making recharging in the field fast and convenient.

To ensure users always know the flashlight’s power status, the T37 includes a battery level indicator, offering immediate visual feedback on charge levels. This simple yet essential feature prevents unexpected power loss and supports proactive battery management. Moreover, the battery is fully replaceable, meaning users can carry a spare and swap it out on the go for uninterrupted performance, a significant advantage during extended missions or off-grid use.

Durability is a cornerstone of the T37’s design. Built with rugged materials and precision engineering, the flashlight is rated IP68 for waterproof and dustproof protection. This means the T37 can withstand submersion in water up to two meters for extended periods and continues to function in the harshest weather conditions, from torrential rain to blowing sand. It is also impact-resistant up to 1.5 meters, making it capable of enduring drops, knocks, and the physical stresses of tactical use without losing functionality.

Another key element of the T37’s field readiness is its strike bezel, which features a pointed, hardened edge that serves multiple purposes. Not only does it provide additional protection for the lens, but it also acts as an effective tool for emergency glass breaking or self-defense. This added layer of utility ensures that the flashlight is not just a light source but also a multipurpose survival and tactical instrument.

Despite all of its high-performance features, the Acebeam T37 remains compact and easy to carry. With a length of 145.2mm and a weight of 202 grams including the battery, it balances portability with rugged construction. The relatively slim head diameter of 30mm ensures compatibility with most flashlight holsters, belt clips, and tactical vests. Whether used as a duty light on patrol or as a critical tool in a go-bag, the T37 is compact enough to carry daily yet powerful enough to rely on when the situation escalates.

In conclusion, the Acebeam T37 Tactical and Duty Flashlight stands as a premier example of modern tactical illumination. With a powerful 4000-lumen output, long-distance beam throw, intelligent user interface, and robust construction, it delivers a level of performance that meets the needs of professionals and serious enthusiasts alike. Every element of the T37, from its dual-control system and stepless brightness selection to its USB-C charging and emergency strike bezel, is crafted with precision and purpose. It’s a flashlight that doesn’t just perform—it leads the way, confidently and consistently, through whatever challenge lies ahead.

DETAILS

• Powered by a single SFT-90X 6500K LED, it delivers a highly concentrated beam of light for superior focus and intensity, reaching up to 4,000 lumens and a distance of 440 meters.
• Rotary magnetic switch allows for easy and precise access to five different modes, including instant Turbo and Strobe.
• Two-stage tail switch offers both momentary and constant-on functionality.
• Hidden USB-C charging port, allowing you to recharge it back to full power in just 2.5 hours, with a runtime of up to 72 hours in Ultra Low mode. 
• A Strike Bezel with the sturdy pointed edge, as a reliable tool for self-defense and can easily break glass in emergencies.
• Monitor your power levels at a glance with a battery indicator, knowing exactly when to charge your flashlight.
• Battery replaceable, when your battery begins to run low, easily swap it out to ensure your flashlight remains powered.
• Boasts a rugged IP68 waterproof and dustproof rating, making it your reliable companion in any environment.

BATTERIES

• 1 x 5000mAh 21700 Rechargeable Li-ion Battery

SIZE

• Length: 145.2mm/5.71"
• Head dia.: 30mm/1.18"
• Height: 26.3mm/1.03"
• Weight: 202g/7.1oz (incl. battery)

OUTPUTS

• 1 x 5000mAh 21700 Rechargeable Li-ion Battery

Ultra Low: 30 lumens; 72h 
Low: 90 lumens; 1190.25cd; 69 meters; 25h
Med1: 170 lumens; 2256.25cd; 95 meters; 13.4h
Med2: 420 lumens; 5112.25cd; 143 meters; 5.4h
High: 1000~700 lumens; 9025cd; 190 meters; 30min ~ 3h
Turbo: 4000~700 lumens; 48400cd; 440 meters; 1min~3.5h
Strobe: 4000~700 lumens

Max. output: 4000 lumens 
Max. beam distance: 440 meters
Max. runtime: 72h on Ultra Low(30 lumens)
Peak beam intensity: 48400cd

SHIPPING
The final shipping cost and estimated delivery timeframe will be available to you during checkout. Currently, we offer 3 International shipping methods which are steady and easy to track. Priority worldwide shipping, Premium ( Partial countries) and a faster Express shipping. The estimated times stated below are not guaranteed. An international package could experience delays like postal strikes or severe weather or Cov-19 situation. All shipping ways, PO Box address is not acceptable.

For some flashlights, there's a pure battery inside（phone charging）,If We can not ship your packages via USPS or DHL,we'll ship your package in another way.

Note:
When you place an order for just the batteries, for easy shipping, faster and safe delivery, the batteries are placed in the flashlights.

If you don’t receive your order within the estimated time frame provided below and suspect that it might be lost in transit, please contact Flashlightgo Support ( support@flashlightgo.com ) and we can look into the order with the courier. Lost-in-transit requests must be submitted to Flashlightgo Support within 3 months of the date of shipping or before the courier archives the tracking information.

Option 1.
Express by DHL/UPS/Fedex/Aramax/SF etc ( there may be tax need to pay in this way),
The estimated time of delivery is usually 3-7 work days depending on the country. Includes detailed tracking and confirmation of delivery.

Option 2.
Premium ( 6-10days, All tax and Duty Paid),
All tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

Option 3.
Priority shipping(1-2 Weeks, average 10 days)
If we marked it is with all tax and duty paid, all tax and duty are prepaid to carrier by Flashlightgo before shipping, so you dont need to pay any tax or duty when you get it.

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To ensure that you get the desirable product, we allow a seven-day product return period. Any product return application outside this period will not be entertained.
All returned product must be unused and the original package should be kept.

Return：
We do not offer return for personal products like socks and hats or food, magazine and fragile or dangerous products The original receipt must be available for application of return.

Discount products：
No product return for discount products

Gifts products：
If the item is marked as a gift when purchased and shipped directly to you, it cannot be exchanged , refunded or warranty.

Exchange：
We only replace items if they are defective or damaged.
Exchange service are offered only to wrong deliveries or product damage not caused by client. If needed, please email to info@flashlightgo.com.

Warranty
How long is the warranty period?
Flashlightgo warrants to the original purchaser that the Product(s) shall be free of any defect in material or workmanship for a period of one year for labor and one year for parts from the date of the original order except the items listed below:
Chargers,Batteries and Other Accessories: 3 months warranty

Should the Product(s) supplied by Flashlightgo prove defective because of improper workmanship or material as reasonably determined by us, Flashlightgo agrees, at its option, to either repair or replace the Product free of charge, excluding any shipping or handling charges.

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