Features: Constant current 60A Max 80A <10s Li-Poly 2-7 cells Ni-MH 6-20 cells Low resistant 0.0014 ohms; Dynamic braking BEC: opto Auto shut down when lose signal Slow down at 3.0V per cell Lipo, Cut-off at 2.9V per cell Lipo 0.8V Nimh User programming options: Battery Setting Throttle Range Brake Setting 4 options: Direction and Cutoff Type Timing Mode Setting: 1?/7?/15?30? PWM Setting: 8K/16K