Review Discount 90W AC Adapter Charger for Dell Studio 1440 1555 1558 1569 1640 1645 1737 1747 1745 1749 Inspiron 14 15 17 14R 15R 17R 8500 8600 1520 1525 1570 1564 1750 1545 3543 3537 5720 7537