The charging of collector and repeater batteries requires the following items:
• Power Sonic PSC-61000A-C charger
• Molex 39-01-4046 connector
• Collector or repeater batteries
The recommended method for charging batteries is to utilize the Power Sonic PSC-
61000A-C charger. The Power Sonic charger requires modification so it can be plugged
directly into the battery. This is done by retrofitting the output of the charger to a Molex
39-01-4046 connector with the red wire going to pin one and the black wire going to pin
two of the connector. Follow the instructions that come with the charger for correct
operation.
After charging, the battery should be removed from the charger for at least 24 hours. After
this time the open circuit voltage should be measured to verify it is at or above 6.4 volts.
Note Batteries in storage must be charged routinely for maximum shelf life. For
more information, see Long Term Storage on page 53.
Battery Service Life
All batteries have a variable service life, depending upon the type of cycle, environment,
and charge to which the cell or battery is subjected during its life. There are two basic
types of service life: cycle life and calendar life. The battery in the collector or repeater is
called in to service only during power outages, so in this case only calendar (or float) life
is applicable.
Calendar Life
The design calendar (or float) life of the battery extends from eight to ten years at room
temperature (25°C/77°F) under proper charging conditions.
This design life was confirmed by the use of accelerated testing methods that are widely
accepted by both manufacturers and users of sealed-lead batteries. High temperatures are
used to accelerate the aging process of the battery under test.
TDC-0971-011 CCU 100 and Repeater 100 Installation Guide 55
Proprietary and Confidential
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