The Convoy M21A GETIAN GT 21700 Flashlight is a high-performance flashlight designed for a wide range of lighting applications. Built from durable aluminum alloy, this flashlight offers robust construction while remaining lightweight for everyday carry. The M21A is powered by a single unprotected 21700 lithium battery, providing impressive power for its advanced features and long-lasting performance. It is equipped with a GETIAN GT LED, known for its superior brightness and efficient energy usage, ensuring that the flashlight delivers an optimal balance of light output and energy consumption.

One of the standout features of the M21A is its versatility. It includes a smooth reflector and an AR-coated glass lens, designed to focus the light beam efficiently and reduce reflections, providing a clearer and more powerful light. This combination makes the M21A an excellent choice for both close-up and long-range lighting tasks. The smooth reflector helps the flashlight project a focused beam, ensuring that the user can direct the light precisely where it's needed. Additionally, the AR-coated lens ensures that the light transmission is maximized, allowing for bright and clear illumination even in low-light conditions.

The flashlight operates with 12 configurable mode groups, offering users the flexibility to select from a wide array of lighting settings to suit different situations. The modes include multiple brightness levels, strobe, SOS, and battery-check modes. The M21A also features a unique configuration mode that can be activated by quickly tapping the switch 20 times. This allows users to select specific mode groups tailored to their needs, from ultra-low brightness for night vision preservation to high brightness for maximum illumination. The flashlight’s memory mode ensures that it will always start up in the last mode used, streamlining the user experience.

Another feature that enhances the M21A’s functionality is its low voltage warning system. When the battery voltage falls below certain levels, the flashlight provides a visual cue through a series of flashes. This feature helps users keep track of the battery charge and take action before the flashlight runs out of power. The voltage check system uses a series of flashes to indicate the current charge level, ranging from a single flash for a voltage under 2.95V to five flashes for a voltage higher than 3.85V. This feature helps to ensure that users are never caught off guard by a dead battery, making the M21A a reliable tool in any situation.

The flashlight also includes reverse polarity protection, a vital safety feature that ensures the flashlight will not operate if the battery is installed incorrectly. This protects the internal components from potential damage and ensures that the flashlight operates safely. The inclusion of temperature protection management further adds to the M21A’s safety features, allowing the flashlight to regulate its temperature during extended use, preventing overheating and damage.

With a head diameter of 44.5mm, a body diameter of 27.3mm, and a height of 155.8mm, the M21A is compact yet powerful. Despite its small size, it weighs only 168g, making it lightweight and easy to carry for long periods. Its ergonomic design includes a tailstand function, allowing the flashlight to stand upright on a flat surface for hands-free use. This makes the M21A particularly useful in situations where the flashlight needs to be placed in a fixed position for extended periods, such as during camping, emergency situations, or maintenance work.

The Convoy M21A is powered by an unprotected 21700 lithium battery, which is sold separately. The large capacity of this battery ensures extended run times, especially at lower brightness settings, making the M21A suitable for both short-term and long-term tasks. It is important to use the correct battery type to achieve the best performance and prevent any operational issues. The flashlight’s driver, a 3V 8A BUCK driver, provides efficient power regulation, ensuring that the flashlight operates at optimal brightness while maintaining energy efficiency.

Overall, the Convoy M21A GETIAN GT 21700 Flashlight is a highly customizable, efficient, and durable lighting solution. Its versatility, combined with advanced features like multiple lighting modes, low voltage warnings, reverse polarity protection, and temperature management, makes it suitable for a wide variety of tasks. Whether you are using it for outdoor activities, emergency situations, or general daily use, the M21A ensures reliable, powerful, and efficient lighting every time. Its solid construction, coupled with an impressive array of customizable features, makes it a top choice for those who demand both performance and flexibility from their flashlight.

PARAMETER

Material:  Aluminum Alloy

LED: GETIAN GT LED

Low voltage warning:  Yes

Reverse polarity protection:  Yes

Lens type:  Ar-coated glass lens

Reflector: smooth

Mode memory: Yes

Tailstand:  Yes

Battery included:  No

Required battery type: unprotected 21700 lithium battery

Required battery quantity: 1pcs

Driver:3V 8A BUCK 12groups,  Temperature protection management inside

Head diameter: 44.5mm

Height 155.8mm

Body diameter 27.3mm

Tail diameter 31.3mm

weight 168g 

12 groups:

1.click the switch to turn the flashlight on/off,tap the switch to select mode

2.if flashlight is turned on,tap the switch 20 times quickly to enter into config mode.(On a visual interface,as long as you click on an option, it means that the option is selected. The flashlight has no visual interface. It flashes to represent an option, and "tap the switch in the flashing process" means to select the option.)

   Option 1 (normal-flash 1 time + buzz-flash): tap the switch to enter into sub-option to select the mode group,If the user has no operation, the config mode will enter option 2.

       -------------sub-option 1.1 (normal-flash 1 time) : tap the switch to select mode group 1 (0.1%, 1%, 10%, 35%, 100%, strobe, biking, battery-check)

       -------------sub-option 1.2 (normal-flash 2 times) : tap the switch to select mode group 2 (0.1%, 1%, 10%, 35%, 100%)

       -------------sub-option 1.3 (normal-flash 3 times) : tap the switch to select mode group 3 (100%, 35%, 10%, 1%, 0.1%)

       -------------sub-option 1.4 (normal-flash 4 times) : tap the switch to select mode group 4 (1%, 20%, 100%, strobe, biking, battery-check, SOS)

       -------------sub-option 1.5 (normal-flash 5 times) : tap the switch to select mode group 5 (1%, 20%, 100%)

       -------------sub-option 1.6 (normal-flash 6 times) : tap the switch to select mode group 6 (100%, 20%, 1%)

       -------------sub-option 1.7 (normal-flash 7 times) : tap the switch to select mode group 7 (0.1%, 1%, 10%, 50%, strobe, biking, battery-check, SOS)

       -------------sub-option 1.8 (normal-flash 8 times) : tap the switch to select mode group 8(0.1%, 1%, 10%, 50%)

       -------------sub-option 1.9 (normal-flash 9 times) : tap the switch to select mode group 9 (50%, 10%, 1%, 0.1%)

       -------------sub-option 1.10 (normal-flash 10 times) : tap the switch to select mode group 10 (1%, 10%, 35%, 100%)

       -------------sub-option 1.11 (normal-flash 11 times) : tap the switch to select mode group 11 (100%, 20%, strobe)

       -------------sub-option 1.12 (normal-flash 12 times) : tap the switch to select mode group 12(100% only)

   Option 2 (normal-flash 2 times + buzz-flash): tap the switch to active the mode memory or inactive it,If the user has no operation,flashlight will enter into the last mode. 
 

battery-check instructions:

 <2.95V   1 flash,

2.95-3.25V 2 flashes,

3.25-3.55V 3 flashes,

3.55-3.85V 4 flashes,

>3.85V    5 flashes

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.

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.

Learn more,Please click on here.

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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