EMAX Formula 45A esc support the latest BLHELI-32 firmware, it supports 2S to 5S battery. Matching with F3 to F7 flight controllers capable of 32K looping will bring the most efficient and controlled power for your quads. And it is ultra light, the weight is only 2.88g.
Item name: EMAX Formula 45A ESC
Continous Current: 45A
Burst Current: 55A
Dimension: 27.6 x 13.6mm
Weight (w/o wires): 2.88g
EMAX Formula series 45A ESC x 1