Good quality Brushless, Sensored ESC's are hard to find below $200, especially with extras like a program card, cooling fan and all the wiring needed to get it up and running. Speed Energy has you covered at a very reasonable price of right under $140 for this 140 amp continuous ESC. Capable of most 1/10th scale platform and keeping motors down to 3.5t motors cool, the 140R is packed with features! The all Aluminum design is available in Factory Team Blue or Stealth Black and will leave you well equiped for your next RC Rig!
Here's where I got it and some info from Speed Energy:
SE 140R
Features:
4 colour LEDs for quick status display
Variable drive and brake frequency tuning for stock class racing
Advanced boost and turbo timing with rpm and throttle control
Support for zero timing mode
Fully configurable throttle and brake response
Integrated temperature and motor rpm data log
User adjustable low voltage and over temperature protection
All aluminum housing with 30mm high rpm cooling fan
Programmable by LCD program box or PC software
User upgradable firmware
SPECIFICATIONS:
Input Voltage: 4.8-7.4V(2S LiPo or 6S NiMH)
Rated Currect:140A continuous /800A pulse
BEC Output :6V/3A
Dimensions :32*39*21mm
Weight: 48g
Supported Motor Type: Min.3.5T 540 size brushless motor with sensor
Cooling Fan Size: 30*30*10mm