>100-240V AC at 50/60Hz 600mA and output 5.1V DC
>2000mA. I've never noticed before this that power
>supplies state an input current requirement, assuming
>that the 600mA is the minimum input current
>requirement. Just curious, what are they doing in
>there to take a 600mA current and drive it up to a
>2000mA? Is it just a capacitor? Is it normal?

The input voltage range indicates that the wall wart contains a switching
power supply. The 600mA input current will be a maximum at the lowest input
voltage and maximum output current. Normally the input current will be lower
than this.

The relationship between input current and output current also depends on
the voltage ratio between the two. The proper way to relate the input and
output values is to consider watts or VA (volt-ampere, not identical to
watts).

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