Replacement Battery for the Brother / Pentax Pocketjet 3 and 3 Plus Printers:
PJ-522
PJ-523
PJ-562
PJ563
PJ-622
PJ-663
PJ-673
Battery fully replaces OEM battery number PA-BT-500. NiMH rechargable battery pack, 14.4 Volt, 400 mAh capacity rating.