Multitester tested for voltage. AC input: 100V-120VA and DC output: 20V 3.5A . A roundish barrel connector with three holes. The POWER CORD is included. Green LED power on light. ORIGINAL FACTORY Dell adaptor, adapter, transformer, converter, powersupply, power supply for Compatible with the following laptop(s): Dell Inspiron: 2500 2600 2650 3700 3800 4000 4100 5000 5000e 7500 8000 8100 Dell Latitude: C400 C500 C510 C600 C610 C800 C810 CP CPI CPT CPT CPX 50GT CS CS R CSi CSX Xpi Latitude C400, Latitude X200, Latitude CP, Latitude CPi, Latitude CPi A, Latitude CPi R, Latitude CPt C, Latitude CPt S, Latitude CPt V, Latitude CPx H, Latitude CPx J, Latitude CS R, Latitude CSX, Latitude CSxR, Latitude CSxH, Latitude CS, Latitude CSx, Latitude C800 Latitude C810 Latitude C840 Latitude C610 Latitude C640 Latitude C510 Latitude C600 Latitude C500 Inspiron 2500 Inspiron 2600 Inspiron 2650 Inspiron 3700 Inspiron 3800 Inspiron 4000 Inspiron 4100 Inspiron 4150 Inspiron 5000 Inspiron 5000e Inspiron 5100 Inspiron 7500 Inspiron 8000 Inspiron 8100 Inspiron 8200 Compatible with the following OEM or 3rd party part numbers [ Dell ] ( 310-4615 ) [ Dell ] ( 4983D ) [ Dell ] ( 7E109 ) [ Dell ] ( 9364U ) [ Dell ] ( AA20031 ) [ Battery-Biz ] ( AC-C52 ) [ BatteryValues ] ( AC-C52 ) [ DSMiller ] ( AC-C52 ) [ Hi-Capacity ] ( AC-C52 ) [ US Power ] ( ACL1085 ) [ Dell ] ( ADP-50FH ) [ Dell ] ( ADP-70EB ) [ Dell ] ( OR334 ) [ Dell ] ( PA-6 ) [ Dell ] ( PA-8 ). S H in the contiguous USA is $8.(insured shipping). Please see other interesting auctions by JGrit USPS DELIVERY TIME: As stated in the item listing, seller will drop-off your item to the USPS within 5 days of receiving cleared payment. How long it takes to deliver to your door is strictly within USPS control and not within the control of seller. Please leave 5 stars for seller 5 day drop-off time.