eBay
A Full Box of Psion Organiser & Accessories. Tested a few and worked fine so they all should work.  Box includes:

26 - Handsets with 2 32K Memory in each.
35 16K memory sticks
13 - 32K memory sticks
120 Approx - memory covers
3 - Manuals
10 - Bar code readers
1 - Data Cable

The handsets takes a standard 9v battery.

Any questions please ask.