1: initial tension: 2-4s lipo
2: NO BEC
3: continue current: 20A, burst current: 25A up to 10S
4: size: 23.5x12mm
5: weight: 4g (include power and signal wire)

20A Brushless ESC:
Support mode, Oneshot125, Oneshot42 and Multshot and DSHOT
Main IC: SILABS EFM8BB21F16, MCU run 48MHz
MOS: Both low and high side fets are Nfets
switching speed is very fast, it has dedicated driver chip
BLHeli S Bootloader & Firmware
Colour:Black
Material:plastic

Package Contents:
1 * FVT Little Bee BLHeli-S SPRING 20A Brushless ESC