with the 1930s invention by the Russian [Oleg Losev] of an early form of tunnel diode. But there’s an earlier amplifier technology that used a solid state circuit which is largely forgotten ...

Consequently, the amount of watts that a 24 volt 10 amp charge controller can handle is less than 240 volts to avoid overloading it. How many watts can a 20 amp charge controller handle? The nominal ...