New GenuineHP (Hewlett Packard) Auto / Airplane Power Adapter Kits, 12VDC Cigarette Lighter Plug x 19V 75W DC Jack, Part Number 75W-C8257A or C8257A L, Mobility Part Number HP1201-0110. Each offer quantity is for One (1) Adapter Kit with Parts As Shown. You may offer / buy any number of kits, up to the total quantity available above.

These were purchased at an electronics wholesale company liquidation last year, and they are brand new in the original factory boxes.You wouldn't really needa manualto use it, but HP provided instructionsregarding how todispose of it inabout twenty different languages.

According to various online sources:

HP 12V Auto Power Adapter Product Details

General

Device Type: Power adapter - car / airplane - external Power Device

Input Voltage: 12 V
Input Connectors: Automobile cigarette lighter
Power Output Connectors Details: 1 x power DC jack

Compatibility Information

Designed For: HP Deskjet 350c, 350cbi, 450CBi, 450Ci, 450wbt, 460C, 460CB, 460wbt, 460wf ¦ HP Officejet H470, H470b, H470wbt, H470wf