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this post was submitted on 23 Jan 2026
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Oh, I see I made an error here:
The page I cited gives the power consumption in Ampere, it is 0.360 Ampere.
This is not, and this is what I overlooked, equal to the power consumption in Watt.
What applies here is the formula
where I is current in Ampere, U is Voltage, and P is Power in Watt. And while I is 0.36 Ampere, U is 5.1 Volt (see www.raspberrypi.com/products/power-supply) , so the real power consumption is
1.85 Watt (instead of "half a Watt").
The 5 A charger can deliver 25.5 Watt.