90W For Acer Aspire 2930 2930Z 3020 Laptop AC Adapter Charger Power 19V 4.74A
EMachines 90W 19V 4.74A, DC Tip 5.5 1.5/1.7mm. MAX POWER 90W. Series of safety assets increase charging stability and provide protection from short-circuit. There is always a mutual solution to a problem.