Safety: This item is up to nationally recognized standards for high-level electronic safety. Fit for Dell Inspiron 3521 3646 15 Laptop[Do not buy if your laptop requires more than 4.62A]. After-sales services: This product is eligible for replacement or returns within 30 days, and the manufacturer provides an additional 12 Months Guarantee. Output: 19.5V 4.65A 90W Input: 100-240V Package Includes: 1 X Power Adapter, 1 X Power cord.