TPE&reg; 90W 19.5V 4.62A AC Power Adapter Charger for DELL INSPIRON 1525 500m 6400 E1505 Latitude D820 E6400 Precision M4300 Vostro 1510 1700 Studio 1535 1735 Input Volt Range: 110-240V / Output: 19.5V 4.62A 90W / Total power cord length is EXTENDED to 1.8m (Competitors' products are only 1.2m long)! Please make sure that the DC output voltages & connector size match your original adapter before purchasing. The AC Adapter is CE/FCC/RoHS certified; built-in overload, over-voltage, and short circuit protection; high energy conversion efficiency - friendly to the environment, and your laptop. 100% more than 2-hour Burn-In test, 100% 4 times electrical performance test, 100% dropping test from 6 surfaces, 100% solder ball vibration test, 100% Hi-Pot test. Designed and manufactured to 100% meet or exceed your original adapter; 30-Day Money Back / 30-Day Free Replacement / 12-Month Quality Warranty / 100% satisfaction GUARANTEED. Products trademarked TPE are marketed and sold exclusively by TPE. We center on providing quality power products and excellent customer service.