Firmware flash Tips: http://www.emaxmodel.com/blog/AmandaChen/

EMAX LIGHTNING 20A ESC:

1. The first BLHeli ESC with Synchronous Rectification hardware design in the market

2. Utilizes high-performance F396 MCU

3. Lightweight: 5.5g including power wires and signal wires / Small Footprint: 24.5*12.5*5.0 (mm)

4. Supports active braking

5. FW upgradable via signal wire

6. Anti-counterfeit code of authenticity

7. Supports up to 4S High Voltage (4.35v max per cell)

8. Smallest F396 powered 20A ESC in it's class

9. Oneshot Enabled / Multishot Ready

10. High-current burst rating

★ESC 12A