Multitester tested for voltage. The ac POWER CORD is attached and included. AC input: 100-127V and DC output: 31V 2420mA (or +32V 2340mA). ORIGINAL factory Genuine Hewlett Packard brand transformer, power supply, voltage converter, inverter, adapter, adaptor, powersupply for

  S&H in the contiguous USA is $7.(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 4 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.