Denaq Convenient Extra Power Supply, Power Supply for Select Dell Laptops, Provides 20 Volts at 4.5 Amps, 100-240V AC Input Voltage, This AC Adapter for Dell Laptops (4.5A 20V) from Denaq is compatible with the following laptops Dell INSPIRON 1100 3700 3800 4000 4100 4150 5100 ...Denaq Convenient Extra Power Supply, Power Supply for Select Dell Laptops, Provides 20 Volts at 4.5 Amps, 100-240V AC Input Voltage, This AC Adapter for Dell Laptops (4.5A 20V) from Denaq is compatible with the following laptops Dell INSPIRON 1100 3700 3800 4000 4100 4150 5100 8000 8100 8200 PP07L; Dell LATITUDE C500 C510 C540 C600 C610 C640 C800 C810 C840 CP CPI CPIR CPT CPX; Dell PRECISION M40 M50; Codes: A10953-56 PA-9 310-1461 310-1650 6G356. It provides 20 volts at 4.5 amps with an input voltage of 100-240V AC. It can serve as a replacement or extra power supply as needed., DQ-PA-9-3PIN PA93PIN