Tags: HiModel_45A_2-7S_Brushless_Speed_Controller_for_Helicopters_W_Ultra_BEC_Type_GX-H45A-BEC 

Features:

●Auto detect the cells and type of batteries, and set the cutting-off voltage accordingly, 6V/9V for 2 and 3 cell lipo batteries.
●Safe start, it will not start up when throttle at wrong position.
●Over-temperature protection: The ESC will stop working when surface temperature is over 110℃.
●Lose signal protection: The ESC will stop when lost control signal for over 1 second.

Specifications:

Type: GX-H45A-BEC
· Weight: 37.2 g / 1.31 oz (with separate BEC unit)
· Size: 45 X 36 X 9（mm）
· Constant Current:45A
· Max Current: 55A (for ten seconds)
· BEC: 3A at 5V
· PWM: 8KHZ/16KHz
· Input: 2 - 7 Lipo