User's Manual

12
5. Charging and changing Power Supply with the
Li-/Ion battery 3.6 V/6 Ah
5.1 General
The mains adaptor supplied the CT-DECT Case with power and the Li-/Ion battery and the battery of
the GSM-phone are charged in the same time. The mains adaptor must be attached to a professionally
installed energized plug socket. The CT-DECT Case can be charged also by the delivered car mains
adaptor (Figure 6) and supplied him with power.
Charging of the batteries takes place only in a temperature range between +3°C and +40°C.
Figure 5 Mains Adaptor for Li-/Ion battery
Figure 6 Car Mains Adaptor
Technical specifications and equipment features
The charge status of the rechargeable battery prior to beginning of the charge is of no significance
Charging procedure monitored by microcontroller
Battery test phase at the beginning of each charge to detect totally discharged batteries and to pre-
charge them accordingly
Detection of rechargeable battery defects and charging current cut-off
Automatic trickle charge, if the battery voltage drops below a defined value
Use for charging of the Li-/Ion battery in the power supply of the CT-DECT Case only the mains adaptor
or car mains adaptor supplied with the system.
In the case of use of another mains adaptor, battery damage can be the result. The mains adaptor is
neither water nor dust proof, and must be protected against water, rains and contamination. It may be
used only in interior at normal air humidity and normal ambient temperature. Do not cover the ventila-
tion openings.
WARNING
z Never use battery chargers to charge non-rechargeable batteries. Never open rechargeable
batteries or throw them into fire.
z Used (defective) rechargeable batteries are subject to special waste disposal. Do not
put them in the household refuse!
z Never charge a rechargeable battery in areas with an explosion risk – explosion risk.