Dell Inspiron 8100 Notebook, Laptop Power Adapter -20V - 4.5A (Replacement) AC Adapter builds with high quality components and with overloaded cutoff feature that works with Dell Inspiron 8100 Volts: 20V, Amps: 4.5A, Remarks: Fixed unchangeable tip, Power cable included 1 year manufacturer warranty 100% OEM compatible. Ship direct from manufacturer