Universal AC/DC power adapter

I have a Dell AC adapter that is showing output of 19.5VDC and 3.34Amps; I have an old Duracell Universal Adapter that shows output of 0-24VDC and 0-6.7Amps. Plug polarity is the same for both. Will the Duracell be OK for my Dell laptop?

Thanks all.
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  1. It should be, since the adapter will automatically adjust to the output levels required by your laptop.
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