Psion Teklogix Vehicle-Mount Computer 8525 G2 - Manual (Page 210)

Chapter 7: Specifications
External Scanners
186 Psion Teklogix 8525 G2/8530 G2 Vehicle-Mount Computer User Manual
7.4 External Scanners
Supported Types Decoded and Non-Decoded 5V or 12V. (Refer to
“Power” on page 156 for details.)
Interface Via tether port.
7.5 Internal Lithium-Ion Battery
Not user accessible.
Technology 12.6V Lithium-Ion (Li-Ion) backup battery