from USA
to Thailand
in 15+ days
At your doorstep by Dec 23  to Dec 08 with standard delivery


  • Based on Simon K firmware, further optimized to perfect drive performance..
  • Throttle range can be set to be compatible with different receivers..
  • Max speed: 210,000 rpm for 2-pole, 70,000 rpm for 6-pole, 35,000 rpm for 12-pole..
  • Low-voltage protection, over-heat protection and self-check functions..
  • Separate power supply for MCU and BEC, enhancing the ESC¡¯s ability of eliminating magnetic interference..
  • Imported from USA.
Description: Brand Name: Emax Item Name: Simonk Series ESC Input: 2-3S LiPo Current: 12A 20A 25A 30A 40A available Item continuous?current burst?current?(10A) battery(cell) Dimension Wight(g) BEC?mode BEC?output programmable 12A 12A 15A? 2~3 22*17*7 8 linear 1A/5V YES 20A 20A 25A? 2~3 55*28*7 28 linear 2A/5V YES 25A 25A 30A 2~3 55*28*7 28 linear 2A/5V YES 30A 30A 40A 2~3 55*28*7 28 linear 2A/5V YES 40A-UBE 40A 50A 2~6 73*28*12 41 switch 3A/5V YES Note: this ESC can not work with pixhawk flight controller. Emax ESC Manual,Please Click Here! Package Included: 1 x Emax ESC

Emax Simonk Series 12A 20A 25A 30A 40A ESC For Quadcopter QAV250


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