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Ryan_B_Anderson Each of those is a function of the other two (W = V*I). In general what matters is the voltage. Being able to deliver more current/power is nbd; comp will just draw less. Not being able to deliver enough is dicier, but most laptops should just charge more slowly (or not charge).
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Ryan_B_Anderson Also, since it’s converting to DC, you have to watch out for polarity (i.e., is the tip or sleeve of the connector positive or neutral/ground)