{"product_id":"convoy-3x21c-1500convoy-3x21c-high-power-3-21700-rechargeable-flashlight0lm-search-flashlight","title":"Convoy 3X21C High-Power 3×21700 Rechargeable Flashlight","description":"\u003cp\u003eThe \u003cstrong\u003eConvoy 3X21C\u003c\/strong\u003e is a high-output multi-LED flashlight built for users who need serious illumination, extended battery capacity, and flexible output control. Powered by \u003cstrong\u003ethree 21700 Li-ion batteries\u003c\/strong\u003e, it combines a powerful multi-emitter configuration with a \u003cstrong\u003e25A buck + 54A FET driver\u003c\/strong\u003e, delivering an impressive wall of light for outdoor exploration, search applications, large-area illumination, and demanding nighttime use.\u003c\/p\u003e\n\n\u003cp\u003eWith multiple LED and color-temperature options available, the 3X21C can be configured to suit different preferences for brightness, beam characteristics, and light color.\u003c\/p\u003e\n\n\u003ch2\u003eHigh-Output Multi-LED Design\u003c\/h2\u003e\n\n\u003cp\u003eThe Convoy 3X21C uses a multi-emitter configuration paired with orange-peel reflectors to produce powerful, broad illumination.\u003c\/p\u003e\n\n\u003cp\u003eMultiple LED options are available depending on configuration, including:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eSST40\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSFT40\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLHP531\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSFT-42R\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSFT60\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eF45R\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eAvailable LED and color-temperature combinations may vary. This flexibility allows users to choose a configuration based on their preferred balance of output, beam profile, throw, and tint.\u003c\/p\u003e\n\n\u003ch2\u003e25A Buck + 54A FET Driver\u003c\/h2\u003e\n\n\u003cp\u003eAt the heart of the 3X21C is a high-performance driver capable of delivering \u003cstrong\u003e25A through the buck circuit\u003c\/strong\u003e, with a \u003cstrong\u003e54A FET Turbo mode\u003c\/strong\u003e available for maximum-output bursts.\u003c\/p\u003e\n\n\u003cp\u003eThe regulated buck driver provides efficient operation across normal output levels, while the FET mode unlocks the flashlight's maximum-output capability when an intense burst of illumination is needed.\u003c\/p\u003e\n\n\u003cp\u003eA built-in temperature-control system automatically manages output under demanding conditions to help protect the flashlight from excessive heat.\u003c\/p\u003e\n\n\u003ch2\u003eTriple 21700 Battery Power\u003c\/h2\u003e\n\n\u003cp\u003eThe 3X21C is powered by \u003cstrong\u003ethree unprotected 21700 Li-ion batteries\u003c\/strong\u003e, providing the energy capacity needed to support its high-output multi-LED system.\u003c\/p\u003e\n\n\u003cp\u003eCompared with conventional single-cell flashlights, the triple-battery configuration provides considerably greater energy reserves, making the 3X21C particularly suitable for extended outdoor use and situations where both high output and useful runtime are important.\u003c\/p\u003e\n\n\u003cp\u003eFor optimal performance, use three matching high-quality 21700 cells of the same model, capacity, condition, and charge level.\u003c\/p\u003e\n\n\u003ch2\u003eUSB-C Charging with PD Support\u003c\/h2\u003e\n\n\u003cp\u003eThe integrated \u003cstrong\u003eUSB Type-C charging interface\u003c\/strong\u003e allows the batteries to be charged inside the flashlight without removing them.\u003c\/p\u003e\n\n\u003cp\u003eThe charging system supports \u003cstrong\u003ePD fast charging\u003c\/strong\u003e, making recharging the large three-cell battery system more convenient.\u003c\/p\u003e\n\n\u003cp\u003eFor standard charging, Convoy recommends using a \u003cstrong\u003eUSB Type-A to Type-C cable with a 5V adapter\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003ch2\u003eReverse Charging – Use It as a Power Bank\u003c\/h2\u003e\n\n\u003cp\u003eThe 3X21C also supports \u003cstrong\u003ereverse charging\u003c\/strong\u003e, allowing the large-capacity three-cell battery system to provide power to compatible external devices.\u003c\/p\u003e\n\n\u003cp\u003eWith PD fast-charging support for reverse charging, the flashlight can serve as an emergency power source for compatible electronics when you're away from a conventional power outlet.\u003c\/p\u003e\n\n\u003cp\u003eThis makes the 3X21C more than just a high-output flashlight — its substantial battery capacity can also provide useful backup power during camping, travel, or emergencies.\u003c\/p\u003e\n\n\u003ch2\u003eSmooth Ramping or Stepped Output\u003c\/h2\u003e\n\n\u003cp\u003eThe user interface gives you two different ways to control brightness.\u003c\/p\u003e\n\n\u003cp\u003eIn ramping mode, press and hold the side switch to smoothly increase or decrease output until you reach the brightness you need.\u003c\/p\u003e\n\n\u003cp\u003eUsers who prefer conventional fixed brightness levels can switch to a \u003cstrong\u003e4-mode interface\u003c\/strong\u003e:\u003c\/p\u003e\n\n\u003cp\u003e\u003cstrong\u003e0.6A → 1.5A → 7.5A → 25A\u003c\/strong\u003e\u003c\/p\u003e\n\n\u003cp\u003eThis allows the 3X21C to work equally well for low-level illumination, general outdoor use, or maximum-performance applications.\u003c\/p\u003e\n\n\u003ch2\u003eQuick Access to Turbo\u003c\/h2\u003e\n\n\u003cp\u003eNeed maximum illumination immediately?\u003c\/p\u003e\n\n\u003cp\u003eA double-click from either ON or OFF provides quick access to the \u003cstrong\u003e25A Turbo mode\u003c\/strong\u003e.\u003c\/p\u003e\n\n\u003cp\u003eFor an even more intense burst of output, double-click and hold to activate the \u003cstrong\u003e54A FET Turbo mode\u003c\/strong\u003e. Release the switch and the flashlight returns to its previous operating state.\u003c\/p\u003e\n\n\u003cp\u003eThis momentary maximum-output function makes it easy to access extreme brightness only when it's actually needed.\u003c\/p\u003e\n\n\u003ch2\u003eUltra-Low Moonlight Mode\u003c\/h2\u003e\n\n\u003cp\u003eMaximum output isn't always necessary.\u003c\/p\u003e\n\n\u003cp\u003eFrom OFF, press and hold the switch to access the ultra-low \u003cstrong\u003e0.005A Moonlight mode\u003c\/strong\u003e. It provides extremely low-level illumination for situations where preserving night vision or minimizing unnecessary light is more important than raw brightness.\u003c\/p\u003e\n\n\u003cp\u003eMoonlight mode is intentionally excluded from mode memory.\u003c\/p\u003e\n\n\u003ch2\u003eAdvanced User Interface\u003c\/h2\u003e\n\n\u003cp\u003eThe side-switch interface provides access to a wide range of functions:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eSmooth brightness ramping\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e4-level stepped mode\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eUltra-low Moonlight\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e25A Turbo\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e54A FET momentary Turbo\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eStrobe\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTactical mode\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBattery voltage detection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMode memory\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eElectronic lockout\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003eThe voltage-check function lets you quickly estimate remaining battery voltage directly from the flashlight.\u003c\/p\u003e\n\n\u003ch2\u003eElectronic Lockout\u003c\/h2\u003e\n\n\u003cp\u003eBecause the 3X21C is capable of extremely high output, accidental activation should be avoided during transportation.\u003c\/p\u003e\n\n\u003cp\u003eA \u003cstrong\u003e10-click electronic lockout\u003c\/strong\u003e prevents unintended operation. When locked, the flashlight flashes briefly in response to switch input to indicate that the lock is active.\u003c\/p\u003e\n\n\u003cp\u003eFor additional safety when carrying the flashlight in a bag, physically loosen the connection between the battery tube and flashlight head to prevent accidental activation.\u003c\/p\u003e\n\n\u003ch2\u003eBuilt for Serious Outdoor Use\u003c\/h2\u003e\n\n\u003cp\u003eThe 3X21C uses a robust \u003cstrong\u003ealuminum-alloy body\u003c\/strong\u003e with an AR-coated glass lens and orange-peel reflectors.\u003c\/p\u003e\n\n\u003cp\u003eIts substantial 74mm head provides the space required for the multi-emitter optical system, while the included handle makes the 536g flashlight easier to carry and control during high-output operation.\u003c\/p\u003e\n\n\u003cp\u003eThe flat tail design also allows the flashlight to \u003cstrong\u003etail stand\u003c\/strong\u003e, turning it into a powerful stationary area light when needed.\u003c\/p\u003e\n\n\u003ch2\u003eProtection Features\u003c\/h2\u003e\n\n\u003cp\u003eThe Convoy 3X21C incorporates important electronic safeguards for high-output operation:\u003c\/p\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eLow-voltage protection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAutomatic low-voltage shutdown\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTemperature-control protection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eElectronic lockout\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003cp\u003e\u003cstrong\u003eImportant:\u003c\/strong\u003e The flashlight does \u003cstrong\u003enot\u003c\/strong\u003e have reverse-polarity protection. Always install the batteries with the positive terminals facing toward the flashlight head.\u003c\/p\u003e\n\n\u003ch2\u003eKey Features\u003c\/h2\u003e\n\n\u003cul\u003e\n\u003cli\u003e\u003cp\u003eHigh-output multi-LED flashlight\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMultiple LED configurations available\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e\u003cstrong\u003e25A buck + 54A FET driver\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePowered by \u003cstrong\u003e3 × 21700 Li-ion batteries\u003c\/strong\u003e\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eUSB Type-C integrated charging\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003ePD fast-charging support\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eReverse charging \/ power-bank functionality\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSmooth brightness ramping\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eOptional 4-level stepped mode\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eUltra-low 0.005A Moonlight\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e25A Turbo\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003e54A FET momentary Turbo\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eStrobe and Tactical modes\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eBattery voltage detection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eMode memory\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eElectronic lockout\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eLow-voltage protection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTemperature-control protection\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAR-coated glass lens\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eOrange-peel reflectors\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eSide-switch operation\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eTail-standing capability\u003c\/p\u003e\u003c\/li\u003e\n\u003cli\u003e\u003cp\u003eAluminum-alloy construction\u003c\/p\u003e\u003c\/li\u003e\n\u003c\/ul\u003e\n\n\u003ch2\u003eSpecifications\u003c\/h2\u003e\n\n\u003cp\u003e\u003cstrong\u003eBrand:\u003c\/strong\u003e Convoy\u003cbr\u003e\u003cstrong\u003eModel:\u003c\/strong\u003e 3X21C\u003cbr\u003e\u003cstrong\u003eMaterial:\u003c\/strong\u003e Aluminum Alloy\u003cbr\u003e\u003cstrong\u003eBattery:\u003c\/strong\u003e 3 × 21700 Li-ion Batteries\u003cbr\u003e\u003cstrong\u003eBattery Type:\u003c\/strong\u003e Unprotected 21700\u003cbr\u003e\u003cstrong\u003eDriver:\u003c\/strong\u003e 25A Buck + 54A FET\u003cbr\u003e\u003cstrong\u003eCharging:\u003c\/strong\u003e USB Type-C\u003cbr\u003e\u003cstrong\u003ePD Fast Charging:\u003c\/strong\u003e Supported\u003cbr\u003e\u003cstrong\u003eReverse Charging:\u003c\/strong\u003e Supported\u003cbr\u003e\u003cstrong\u003eSwitch:\u003c\/strong\u003e Side Switch\u003cbr\u003e\u003cstrong\u003eLens:\u003c\/strong\u003e AR-Coated Glass\u003cbr\u003e\u003cstrong\u003eReflector:\u003c\/strong\u003e Orange Peel\u003cbr\u003e\u003cstrong\u003eMode Memory:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eTail Stand:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eLow-Voltage Protection:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eTemperature Control:\u003c\/strong\u003e Yes\u003cbr\u003e\u003cstrong\u003eReverse-Polarity Protection:\u003c\/strong\u003e No\u003cbr\u003e\u003cstrong\u003eHead Diameter:\u003c\/strong\u003e 74 mm\u003cbr\u003e\u003cstrong\u003eBattery Tube Diameter:\u003c\/strong\u003e 50 mm\u003cbr\u003e\u003cstrong\u003eLength:\u003c\/strong\u003e 148 mm\u003cbr\u003e\u003cstrong\u003eWeight:\u003c\/strong\u003e Approx. 536 g including handle\u003cbr\u003e\u003cstrong\u003eBattery Included:\u003c\/strong\u003e No, unless otherwise specified\u003c\/p\u003e\n\n\u003ch2\u003eA High-Output Flashlight Built for More Than Maximum Brightness\u003c\/h2\u003e\n\n\u003cp\u003eThe \u003cstrong\u003eConvoy 3X21C\u003c\/strong\u003e combines massive multi-LED output with the battery capacity of three 21700 cells, an efficient high-current buck driver, USB-C charging, and reverse-charging capability.\u003c\/p\u003e\n\n\u003cp\u003eFrom ultra-low Moonlight to powerful regulated Turbo and maximum-output FET operation, the 3X21C offers an unusually wide usable output range. Whether you need to illuminate a large outdoor area, explore after dark, or simply want a serious high-output flashlight with substantial battery capacity, the 3X21C is built to deliver. 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