XS series for BL Heli firwmar XS20A solder version

XS series for BL Heli firwmar XS20A solder version   Item Name: XS20A solder version Input voltage: 3-4s Lipo BEC: NO Size(mm)L*W*H: 24*14*4.5mm Type: BLHeli Bootloader & BLHeli_S Firmware Weight: 4.49g Feature: Silabs EFM8BB2  BLHeli_S ESC with Hardware generated PWM synchronous to MCU yields ultra-quiet motor performance.  Utilizes high-performance EFM8BB2 50MHz MCU  Weight: 4.49g  Size(mm)L*W*H: 24*14*4.5mm  BLHeli_S does Damped Light only  Firmware upgradable via signal wire (works with USB Linker for XM series)  Supports Motors with super high KV (EFM8BusyBee 50MHz can handle up to 500k eRPM)  Supports 1-2ms signal, Oneshot125, Oneshot42 and Multishot.  High-current burst rating  High-Resolution Throttle steps