Item Name: XS20A solder version
Input voltage: 3-4s Lipo
Type: BLHeli Bootloader & BLHeli_S Firmware
Feature: Silabs EFM8BB2
BLHeli_S ESC with Hardware generated PWM synchronous to MCU yields ultra-quiet motor performance.
Utilizes high-performance EFM8BB2 50MHz MCU
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
**DYS XS20A is with A-H-70 firwmware, pls don't change the original firmware by yourself.**