Convoy S14 18650 Buck Driver EDC Flashlight
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Convoy S14 18650 Flashlight
The Convoy S14 is a compact, performance-focused 18650 flashlight built for users who value efficient regulation, flexible output control, and the ability to choose the LED that best fits their lighting needs.
Powered by a single unprotected 18650 Li-ion battery, the S14 combines a high-efficiency buck driver, smooth reflector, configurable 12-group interface, and durable aluminum construction in a practical 132 mm body. Whether you're looking for an everyday carry light, an outdoor flashlight, or a customizable platform for different beam characteristics, the S14 delivers the straightforward design and flexibility Convoy enthusiasts expect.
Multiple LED Options
The S14 is available with several LED configurations, allowing you to choose the beam and performance characteristics that best match your needs.
Depending on the selected LED, Convoy uses either a 3V 8A buck driver or 3V 10A buck driver:
- SFT40 / SFT-25R / W5050SQ5: 3V 8A buck driver
- SFT-42R / F45R: 3V 10A buck driver
Driver efficiency is rated at approximately 90–95%.
Efficient Buck Driver
Rather than relying on a simple high-current linear driver, the S14 uses a regulated buck driver designed for efficient power conversion.
The flashlight also incorporates temperature control. As temperature rises, the driver gradually reduces current to help manage heat during extended high-output operation. Low-voltage warning and reverse-polarity protection are also included.
12-Group Configurable Interface
One of the S14's most useful features is Convoy's familiar 12-group driver interface.
Instead of being locked into a single mode sequence, users can select a group that better matches how they use the flashlight—from simple three-level operation to configurations that include very low output, strobe, biking mode, battery check and SOS.
For example, available configurations include:
0.1% → 1% → 10% → 35% → 100%
or a simpler:
1% → 20% → 100%
Mode memory is also supported, allowing the flashlight to return to the previously used brightness depending on the selected configuration.
Built for Effective Heat Transfer
The S14 uses an integrated aluminum head structure together with a copper DTP MCPCB and thermal compound beneath the board to efficiently transfer heat away from the LED.
Its aluminum-alloy body features an anodized finish, while an AR-coated glass lens and smooth aluminum reflector complete the optical system.
Practical Tail-Switch Design
The reverse-clicky tail switch provides familiar, straightforward operation.
Convoy has chamfered the edges of the tail and incorporated a U-shaped groove around the silicone switch to make thumb access easier. The lanyard mounting position is designed so that an installed lanyard does not interfere with the flashlight's ability to tailstand.
Compact 18650 Format
At 132 mm long and only 94.2 g without the battery, the S14 provides a relatively compact platform for a high-current 18650 flashlight.
The 32.1 mm head gives the reflector more room than very slim tube-style EDC lights, while the 23.1 mm body remains easy to grip and carry.
Specifications
| Specification | Convoy S14 |
|---|---|
| Battery | 1 × unprotected 18650 Li-ion |
| Driver | 3V 8A or 3V 10A Buck |
| Driver Efficiency | 90–95% |
| Reflector | Smooth aluminum |
| Lens | AR-coated glass |
| MCPCB | Copper DTP |
| User Interface | 12 Groups |
| Mode Memory | Yes |
| Low-Voltage Warning | Yes |
| Reverse-Polarity Protection | Yes |
| Temperature Control | Yes |
| Tailstand | Yes |
| Length | 132 mm |
| Head Diameter | 32.1 mm |
| Body Diameter | 23.1 mm |
| Weight | 94.2 g |
| Included Accessories | Lanyard, clip |
| Battery Included | No |
What's Included
1 × Convoy S14 Flashlight
1 × Lanyard
1 × Pocket Clip
Battery is not included. The S14 requires one unprotected 18650 Li-ion battery.
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.
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.
Learn more,Please click here.

