Uploaded August 2026 | Updated September 2026, 3 weeks ago
Uncertain about what to buy? Check out THE ULTIMATE FPV SHOPPING LIST: fpvknowitall.com/ultimate-fpv-shopping-list
SUPPORT ME ON PATREON at: bit.ly/2Ep5Sia
THIS IS MY FULL TIME JOB. Here are other ways that you can support me: fpvknowitall.com/support-me
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I receive a commission (at no extra cost to you) if you make a purchase after clicking one of the affiliate links below.
Buy the Sequre S99 at:
* Amazon - amzn.to/4wAulHF
* GetFPV - bit.ly/4c3t3xD
* RaceDayQuads - bit.ly/4zoJDSt
MANDATORY DISCLAIMER: I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for me to earn fees by linking to Amazon.com and affiliated sites.
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0:00 - What makes this iron so good?
My review of THE BEST soldering iron you can buy -- Sugon T21:
youtube.com/watch?v=s_ukBrMZ3qA
2:44 - Tips are super easy to install and swap
3:22 - How do you power it?
5:37 - It heats up super fast!
7:14 - Let's solder a 12ga wire
8:43 - The hardest joint in FPV: ESC negative pad
11:52 - Make sure to select the right tip size
13:29 - I was wrong about the power supply!
15:16 - It CAN run off direct DC
17:08 - The big problem with these portable irons
18:05 - Trying to destroy it with 6S voltage
19:25 - You CANNOT get 150W out of USB
19:59 - Let's try it at 150W full power!
21:10 - Should you buy it?
Most FPV pilots need to watch this soldering tutorial
youtube.com/watch?v=GoPT69y98pY
Uncertain about what to buy? Check out THE ULTIMATE FPV SHOPPING LIST: fpvknowitall.com/ultimate-fpv-shopping-list
SUPPORT ME ON PATREON at: bit.ly/2Ep5Sia
THIS IS MY FULL TIME JOB. Here are other ways that you can support me: fpvknowitall.com/support-me
---
I receive a commission (at no extra cost to you) if you make a purchase after clicking one of the affiliate links below.
Buy the Sequre S99 at:
* Amazon - amzn.to/4wAulHF
* GetFPV - bit.ly/4c3t3xD
* RaceDayQuads - bit.ly/4zoJDSt
MANDATORY DISCLAIMER: I am a participant in the Amazon Services LLC Associates Program, an affiliate advertising program designed to provide a means for me to earn fees by linking to Amazon.com and affiliated sites.
---
0:00 - What makes this iron so good?
My review of THE BEST soldering iron you can buy -- Sugon T21:
youtube.com/watch?v=s_ukBrMZ3qA
2:44 - Tips are super easy to install and swap
3:22 - How do you power it?
5:37 - It heats up super fast!
7:14 - Let's solder a 12ga wire
8:43 - The hardest joint in FPV: ESC negative pad
11:52 - Make sure to select the right tip size
13:29 - I was wrong about the power supply!
15:16 - It CAN run off direct DC
17:08 - The big problem with these portable irons
18:05 - Trying to destroy it with 6S voltage
19:25 - You CANNOT get 150W out of USB
19:59 - Let's try it at 150W full power!
21:10 - Should you buy it?
Most FPV pilots need to watch this soldering tutorial
youtube.com/watch?v=GoPT69y98pY










