This section is about power. Power supplies, battery chargers, inverters, converters, etc. The circuits in this section often operate at high voltages and currents and if one is not 100% comfortable and skilled working safely with often lethal voltages as well as high currents that can start fires, then one is to not go further in this section. Audio power amplifiers are in the Audio Section Audio power amplifiers for cars are in the Automotive Section No responsibility is traken by this web site or its dreators for any issues concerning any of the information on this site.