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

S&H in the contiguous USA is $8.(insured shipping).

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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.