My new backpack EDC flashlight, Convoy S16 with S21D tube, SFT40 5000k OP + 8A buck driver. This driver and S21D tube allows to use USB-C 21700 battery.
by mjnck
My new backpack EDC flashlight, Convoy S16 with S21D tube, SFT40 5000k OP + 8A buck driver. This driver and S21D tube allows to use USB-C 21700 battery.
by mjnck
![[NEW] Wurkkos HD17 Powerful Headlamp, 2500 Lumens, 220m Beam Distance, Spotlight Floodlight & Red Light,Constant Current Driver＆ Simple UI](https://www.edctips.com/wp-content/uploads/2026/03/sjzd5e9jgmmg1-770x515.png "[NEW] Wurkkos HD17 Powerful Headlamp, 2500 Lumens, 220m Beam Distance, Spotlight Floodlight & Red Light,Constant Current Driver＆ Simple UI")
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“You’ve created a monster”.