110 volts at 60 cycles per second
120 volts at 60 cycles per second
220 volts at 50 cycles per second
220 volts at 40 cycles per second
The SI unit of electric current is the ampere, which is the flow of electric charge across a surface at the rate of one coulomb per second. The ampere (symbol: A) is an SI base unit Electric current is measured using a device called an ammeter.
6 to 8 hours
24 to 36 hours