Otter BS55A is an advanced brushless ESC for Airplane or Helicopter with optimum features.Works with 3 - 6 cell lipo and also have LED indicating brake/Timing modes, also switchable governor mode for helicopters, voltage cutoff and heat protection.
Specification:
Current: 55A
Battery: 3-6 Cell Lipo / 10-20 Cell Ni-XX
SBEC: Nil
Size: 70*30*12mm
Weight: 37g