Watts (P) = Volts (V) x Current (I)
Assumption V = 115 VAC, I = 1A
P= 115 x 1, P = 115W
1 Amp @ 115VAC power system = 115W
Assumption V =230VAC (international system), I =1A
P = 230 x 1, P = 230W
1 Amp @ 230VAC power system = 230W
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Since the formula for calculating watts is:
amps * volts = watts
If you have 1 Amp, then the watts would equal the volts.
But recognize that volts will not always equal watts since you have to use the formula. For those students who think math is a waste of time, this is just another example of how it is everywhere in our lives.
1 amp at 120 volts equals 120 watts. Power (in watts) can be calculated by multiplying the current (in amps) by the voltage (in volts).
The Audiobahn amp A2601Q model has a maximum power output of 2600 watts.
The Alpine V12 MRV-T501 amp has a maximum power output of 500 watts.
The Orion CS 100.2 amp is rated for 100 watts RMS per channel at 2 ohms.
A T1000 amp typically has a power output of around 1000 watts RMS.
Your 12 volt 2 amp battery charger draws 24 watts of power (12 volts x 2 amps = 24 watts).