Compaq 1610 Reference Manual page 111

The following accessories have been evaluated for use with your
device. These Compaq-approved accessories can be identified by
their assigned series numbers listed below. To ensure continued
reliable and safe operation of your handheld device, use only the
accessories listed below with your Series 2930A handheld PC.
Handheld PC
Cradle
Rechargeable NiMH Battery Pack
AC Adapter
Automobile Adapter
Input Requirements
Rated Input Voltage
Rated Input Frequency
Rated Input Current
Output Power
Rated Output Voltage
Rated Output Current
2930A
2933A
2931A
2932A, 2932B, 2932C
or 2932D
2934A
Low Range
100 to 120 V
50/60 Hz
250 mA
Low Range
5 Vdc
1.5 A
High Range
200 to 240 V
50/60 Hz
250 mA
High Range
5 Vdc
1.5 A