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Product name:Little Bee 20A BLheli_S 2-4S ESC
Product code:HSM-151M
Input Voltage: 2-4S Lipo
BEC Output: No
Continue Current: 20A, Burst Current: 25A up to 10S
Size: 23.5*12mm
Weight: 4g(include Power and signal wire)
Support Damped mode, Oneshot125, Oneshot42 and Multshot
MOS: Both low and high side fets are Nfets
Switching speed is very fast, it has dedicated driver chip
BLHeli S Bootloader & Firmware