05/18/2021 11
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DESCRIPTION OF EQUIPMENT
DESCRIPTION OF EQUIPMENT
Figure 3-1
The basic charging circuit is the mosfet inverter high
frequency-type with isolating transformer (s). This
design regulates charging current by allowing the
battery to determine its own charge cycle rate in
accordance with its state of discharge. It provides a
constant current-constant voltage-constant current
(IEI) charge that eliminates the possibility of over-
charging, even with line voltage variations of ± 10%
and allows the battery to finish at the proper current
regardless of battery age or gravity type.
The Eclipse II Plus provides opportunity battery
charging over a wide range of environmental
conditions. The charger will precisely charge your
battery based on battery temperature, type, and
size; by automatically adjusting its own output
charge characteristic within the power limits of the
chargers power circuit.
When applied with the Prestolite Power optional
Battery Identification Module (BID), the Eclipse II
Plus identifies a battery selected for opportunity
charging at the time of connection and adjusts its
output for that specific battery. During the charge
cycle, or duration of connection if used as an oppor-
tunity charger the Eclipse II Plus continuously moni-
tors the battery’s temperature via the BID and ad-
justs its output to match the battery temperature as
it changes throughout the charge cycle.
Upon connection of the battery, the Eclipse II Plus
reads the information programmed into the BID and
identifies the battery’s AH rating, cell size, type of
construction, electrolyte temperature, and pro-
grammed method of charge and adjusts its output
curve based on this information.
The Eclipse II Plus is internally protected against
overload and short circuits by both input and output
fusing, plus Prestolite’s unique curve monitoring
circuit periodically measures the output curve to
ensure that the voltage and current are within the
limits set at the factory.
Operating Modes
Ready Power enabled Eclipse II Plus chargers will
work like a normal Eclipse II Plus charger if it is set
to automatically start and a battery is plugged in
without a Battery Monitoring System. If a battery
with a BMS is connected, it will allow the BMS to
control its output.
If no BMS is present, the charger will read the infor-
mation that was programmed into the BID Module
during installation and charges the battery based on
an opportunity charging profile or a profile designed
to recharge a fully discharged battery in 8 hrs.
Valve regulated batteries of several types can also
be recharged at the 8 hour rates when equipped
with a properly programmed BID Module.
The AMETEK Prestolite Power Eclipse II product
line has been modified to meet the standards of
Navitas Lithium Batteries. The changes made are to
allow the charger to use CAN communication to
take direct commands from a Batteries’ BMS. The
charger follows the charge current requested by the
BMS and terminates upon request by the BMS.
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