O.S. Brushless ESCs have the latest high quality FETs, for the coolest possible operation! With auto battery cell recognition, start protection, low-voltage and no-signal cutoff, its easy to set up too. Ni-Cd, Ni-MH and Li-Po compatible and the perfect complement to an O.S. brushless motor! OCA-170 Specification Cell Count: 14-36 NiCd/NiMH, 4-12 LiPo Function: Forward-Stop-Brake-Reverse Load Current: 70A (85A 5 seconds Peak) Parameter Settings: ESC/ESC Programmer OCP-1 (Optional extra) Protective Functions: Start protection/Low voltage cut-off/No signal cut PWM Frequency: 32kHz Weight: 89g