For Dell Inspiron 15R 5521 5537 5535 M531R 3521 3537 Power Switch Button On Off Board & Cable LS 9101P|button on off|buttons buttonsbutton switch - AliExpress
Amazon.com: AC Charger Fit for Dell Inspiron 5537 5420 5421 3437 5437 3537 7537 3737 7737 5737 14 15 17 14r 15r Laptop Power Supply Adapter Cord : Electronics
Dell Inspiron 15R 5520 5521 5537 SE 7520 Genuine Original OEM Laptop Charger AC Adapter Power Cord 90W - Walmart.com
Dell Inspiron 5537/5521 DC Power Jack/Connector and Cable - YF81X, 0YF81X 5712505255476 | eBay