How To Know How Much Watt My Charger Is. Crunch some numbers to determine the amount of wattage you would like to have on hand. To get your devices power consumption you can contact the manufacturer directly or find it yourself by looking at the power adaptors charger Tech Specs.
Generally wattage is product of voltage to current. The 90 watts AC Adapter will work perfectly for you. How come we can use a 130 watt AC adapter to Dell N5010 laptop when the recommended adapter is of 95 Watt.
If these numbers are not listed on the side of the AC adapter they will be listed in the manual that came with the device that uses the AC adapter.
When looking for a charger you have to first know your needs. This value is commonly expressed in amp hours - amps units of electric current multiplied by hours units of time. On many Dell systems if you go into the BIOS and look under the Battery information section underneath the battery graphic the system will identify the wattage of the attached power source. If you live in Florida your 100-watt solar panel receives on average about 49 hours of peak sun hours daily.
