Speedybee OX32 55A is a 4in1 regulator that can handle a current of up to 55A and power from 3-6S Lipo batteries. For better current transmission, the regulator uses nickel current buses. It is equipped with an aluminum heat sink that helps dissipate heat while protecting the electronics from dirt. The regulator includes a current sensor and a TVS diode for protection against voltage spikes. The regulator uses the firmware OX32, which is an alternative to BLHeli_32. You can use the OX32 configurator for setup.