Amazon.com: AC DC Adapter Works with PENTAX PT-A4312 PocketJet 3 Plus Thermal Printer Power Payless : Electronics
Pentax Pocketjet 3 Plus Thermal Mobile Printer PT-A4312 With Test Page (C3A) | #1792378115
Synergy Digital Mobile Printer Battery, Works with Pentax PocketJet 3 Plus Mobile Printer, (Ni-MH, 14.4V, 360 mAh) Ultra High Capacity, Compatible with Brother 205526 Battery - Walmart.com