Desktop Charger Chh-2; General; Technical Summary; Operation - Nokia 2160 Technical Documentation Manual

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Technical Documentation
Desktop Charger CHH–2

General

The CHH–2 desktop charger is designed for the charging of the handport-
able phone and a spare battery. In a standard configuration rapid charg-
ing is possible by connecting the desktop charger to an ac power outlet
via a suitable constant current ac adapter (ACH–4). This must be con-
nected to the d.c. connector, X130.

Technical Summary

Operation

The device has a d.c. plug input connector for ACH–4 charger and 2– and
4–pin output connectors for the phone and extra battery. Charging takes
place at a battery temperatures of 5...45 Centigrade. Charge control of
the phone is done with phone microprocessor and charge control of extra
battery is done with separate microprocessor located in a desktop stand.
Phone is always charged first, then extra battery.
A battery gives better capacity if it is occasionally discharged completely.
User can do this by using the 'deep discharge' –feature of CHH–2. This
feature is provided only extra battery slot and pressing the 'discharge'
–button. The extrabattery will then automatically be discharged and
charged to full. If this button is pressed twice then the discharge function
is cancelled.
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Desktop Charger CHH–2
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