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The RC Electric Parts 30A Electric Speed Controller (ESC) is a great little powerful ESC that runs very well and doesn't run hot like other ESCs! The ESC comes pre-soldered with 3.5mm Bullet Plugs and an XT60 Plug, eliminating the need for you to solder your own plugs on!
The ESC can be programmed via the transmitter, as explained in the instructions, or using a programming card that can be purchased separately. Make sure to use an RC Electric Parts Programming card to ensure that it'll properly program the ESC.
Benefits:
Programmable either using a programming card or transmitter
Super smooth and accurate linear throttle adjustment
Supports high RPM motors.
Utilizes smaller MOSFETs to minimize weight.
Minimal heat loss
Specs:
Continuous Output: 30A
Burst Output: 40A for 15 seconds
UBEC: 5V/3A
Lipo Battery: 2 - 4s (cells)
NiCd/NiMH: 5 - 12s (cells)
Voltage Input: 6.4v - 16.8v
Size: 54mm x 26mm x 11mm
Weight: 32g
Motor Type: Brushless Motor
Max RPM: 240,000 rpm for a 2 pole, 80,000 rpm for a 6 pole, or 40,000 rpm for a 12 pole brushless motor
ESC Manual Link
https://www.rcelectricparts.com/esc-user-guide.html
D.Horwitz
2025-08-29 16:44:41
Good old basic speed controller. Works fine right out of the package.
Peter T.
2025-08-21 15:08:38
Ridiculously small and functional well. This is black magic
PASS
2025-08-07 15:43:46
All of my LESU 1/14 scale hydraulic earthmovers came with these no-name blue labeled ESCs for the track motors. They have no configuration or calibration options. The motors were jittery at slow speed, and one of the ESCs when up in smoke the day I got the DT60 dozer. I replaced all my track motor ESCs with these 30A Defiant ESCs. Wow, what a difference. The motors run buttery smooth at slow speeds, and these are half the physical size of the ones I removed. Worth every penny. The seller also has manuals and videos online to show you how to set it up. A+ !
David A. Cox
2025-07-14 10:21:49
I bought this and the listed programmer, to try to turn the motor speed down (I'm using it to power a rebuilt vintage blender...). Lowest speed was still about 2x what I'd wanted (note this is with belt/gear reduction already). Since BLDCs can have arbitrary speeds, not sure why there isn't a special "crawler" mode or something to this controller.For my application, I also found the cables too long, but of course that's easily rectified, and much better than too short!It's great that it provides 5.5V out, which allows me to power both the controller and the light show without requiring a separate regulator.
KJ
2025-06-28 14:39:54
Delivery was quick and was easy to access the manual via the grid code. Initial hook up on a used older plane went well and seems to work well in the shop. Still have more mods to do on plane and winter to pass to get the real test. But so far so good. Happy with purchase so far.
Jim S
2025-06-25 14:04:40
I won't know for sure till I fly my Volantex Phoenix 2400 glider I put this in last night but so far the experience has been terrific.. The leads are well made and well soldered and a bit longer than I needed. They were very easy to fit into this glider.. I had no ESC Programming card but found the instructions exceptionally easy to get to via the QR code on the package and Setting the Brakes to ON from the default OFF start using my Taranis Radio was simple and easy tho since You have to set the throttle stick to max I did take the precaution to remove the prop 1st even tho it never spun up unexpectedly. So Far, I really like it I just hope the 3 amps from the BEC is adequate since I do have 6 servos in this plane and that it holds up under load.. if so I think this will be a very good value considering its low cost.The plane flew with out issues.. plenty of thrust.. landed it and it was barely warm.. I like it a lot.
R.W.M.
2025-06-12 17:58:04
I very seldom write reviews but just had to for this esc. I bought it to replace the one in an electric rec helicopter that is probably 15 or more years old. All the connections matched perfectly and I had the servos all working but the motor would not spin up. You can scan the QR code on the esc and it brings up the online manual which is very detailed and easy to follow if you know what you were doing which I didn’t. I called the customer service number and actually had a person answer wasn’t press this number press that number for this or that. An actual person answer that spoke English and he was able to walk me through some troubleshooting and basic set up procedure and got everything working perfectly. He was going to send me a replacement if we couldn’t get this one working but it turned out not to be necessary. I would highly recommend this company.
Honest reviews
2025-04-25 15:09:54
While getting the airplane all set up and servos programmed the esc melted the side of the plane. Very frustrating as it had good reviews and this came out of the blue. Wouldn’t recommend this to anyone! It was not even being used to power the motor just 3 servos.
Stephen Walsh
2025-04-15 11:53:05
Very good SBEC. It really does not get hot so it is a true Switch Mode BEC. the online instructions and information is accurate and very helpful. I have many of these with no problems.
LUIS F.
2025-04-08 18:27:07
Excelente
Alhussain Alkhazal
2025-03-05 12:10:18
It immediately exploded the moment I plugged it into my Li-Po battery. I checked it with a multimeter and sure enough, the item is defective. The package it comes with is stapled as well.
Didi Sunardi
2025-02-17 13:07:00
GOOD
Debbie
2025-02-16 13:55:09
So after a year of testing all three sizes I can say they are excellent escs easy to program only get warm zero issues with these escs worth every penny I remove all my eflite one and install theses on all my planes and install on any new build ones
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