Option -01 Battery Pack
Calibration
7
7-11
3.  With no ac line power applied to the meter, adjust the variable voltage power supply
for 8.5 V dc output.
4.  Now apply ac line power, and check that the charging current is greater than 250
mA.
5.  Slowly increase the variable voltage supply output. Check for the following:
•  The charging current decreases as the supply voltage approaches 10 V dc.
•  The current should continue to decrease as the voltage increases, until the
current is between 60 and 80 mA.
•  With any additional decrease in current (increase of the supply voltage), the
current should suddenly jump to a low value (less than 0.5 mA.)
•  When the variable voltage supply output is reduced to 9.35 V dc, the current
should be between 5 and 15 mA.
BATTERY OPTION PCA
RED
BLACK
IV
+
-
POWER SUPPLY
0 TO 15V
OPTIONAL VOLTMETER
TO MONITOR A BATTERY VOLTAGE
METER TO MEASURE
CHARGING CURRENT
Ω33
5Ω
.1    SHUNTΩ
qb36f.eps
Figure 7-5. Cycle/Float Charge Rate Switch Test