Features:
Special core program for multi-rotor controllers greatly improves throttle response.
Specially optimized software for excellent compatibility with disc-type motors.
Specially designed for multi-rotor aircraft without BEC output.
Compatible with various flight-control systems and supports a signal frequency of up to 621Hz
MOSFET with extra-low resistance brings high performance and great current endurance.

LB 10A Brushless Speed Controller for Multi-rotor LB-OPTO-10A

Output: Continuous 10A, Burst 12A up to 10 seconds.
Input Voltage: 2-4S Lipo, 6-12 cells NiMH  (It is a inadvertent mistake on the label of first batch saying 2-3S, confirmed by the manufacturer that this ESC does support 4S) 
Refresh rate of the throttle signal: 50Hz – 621Hz
Size: 26 x 15 x 4(Lx Wx H)
Weight: 6g

Includes:
1 x ESC

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