Expert Performance Batteries And Chargers; Built In E.p Battery Fast Charger - Motorola DCS StarTac Service Manual

DCS 1800 StarTAC PERSONAL CELLULAR TELEPHONE
1. ("EXPERT PERFORMANCE")
BATTERIES AND CHARGERS
•
E P batteries are marked with the new E•P logo and contain
an EPROM which provides data to E
chargers. This data characterizes the battery's charging
characteristics, such as preferred fast charge and trickle
charge current. This means that E
and charged in the most efficient way for maximum
performance.
The critical charging parameters are stored in a 128 x 4 serial
EPROM in the battery, which the charging device reads at
the start of the charging cycle. If the EPROM is not detected
•
(for non-E P batteries) then default charging values are used.
•
As well as E P batteries, E
lighter adaptor/charger and the E
•
product with the E P symbol is capable of either providing
•
E P data or interpreting it.
No repairs can be carried out on any of the battery packs. If
a rechargeable battery pack becomes defective, it should be
replaced.
40
•
P telephones or E
•
P batteries can be used
•
P products include the cigarette
•
P IntelliCharger. Any
68P09304A85
2. BUILT IN E•P BATTERY FAST
CHARGER
All DCS StarTACs contain a built in E
which can charge any battery attached to the phone. The
•
P charger can also read the data from the E•P batteries for
optimum charging performance with that particular battery.
The built in charger obtains its power from either the
Cigarette Lighter Adaptor or the Travel Charger. Both
supplies monitor the battery feedback line to provide optimal
supply voltage.
When the phone is attached to a charging device, the battery
icon flashes to indicate charging is taking place. The battery
icon bars indicate the approximate state of charge; three bars
indicating a charge capacity of 95% or more. When attached
to a charger, the display shows a flashing battery and battery
level even if the phone is switched off.
Note that battery charging is suspended while the phone is
in a call (because of the extra current demand), but the battery
icon will still continue to flash.
•
P battery charger
HAcc8
19/07/97