The printers are portable and were used for older laptops with the serial ports. I don't have the batteries for the printers. I do have a sheet feeder that can be attached. Please note that the battery cover is missing on 1 of the printers. Here is a little more info about the printers...

TheHP Deskjet 340was a portable inkjet printer that offered convenient printing on the go. Here are some details about this compact printer:

1. Features:
   • Portability: The Deskjet 340 was designed for mobility, making it ideal for travelers and professionals.
   • Resolution: It provided a resolution of600 x 300 dots per inch (dpi)for both text and graphics.
   • Paper Handling: The printer supported various paper types and transparencies.
   • Sheet Feeder: It came with a portable sheet feeder capable of holding up to30 sheets of paper.
   • Connectivity: The Deskjet 340 connected via aparallel port.
2. Legacy:
   • While it’s no longer in production, the HP Deskjet 340 remains a nostalgic artifact from the early days of portable printing.
   • Its compact design and ease of use made it popular among users who needed a portable printing solution.