Multitester tested for voltage. GENUINE factory original HP charger with  AC input: 100-240V and  DC output: 18.5V and 6.5A. Round barrel connector with an "ID" center pin. The ac POWER CORD is included (a $9.95 value for FREE). Hewlett Packard adaptor charger, adapter, transformer, powersupply, power supply, is for the following HP models:

This compatibility list was found online, please double check to ensure it will work with your application.

HP EliteBook 6930p, 8530p, 8530w, 8730w 

HP HDX X18 Series

HP Pavilion dv6t, dv7 Entertainment Notebook Series

HP Compaq 2230s, 6510b, 6515b, 6530b, 6535b, 6710b, 6710s, 6715b, 6715s, 6830s, 6910p, 8510p, 8510w, 8710p, 8710w, nc440, nc6400, nw9440, nx6330, nx9420

S&H in the contiguous USA is $9. (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 time7.4mm. Thankyou.