Quickie QM-7 Series Service Manual page 49

Section 5
3. The individual voltage of each battery may
also be checked using a Multimeter. Connect the
Multimeter to the battery connector (fi gure 5.3.1).
Note: Refer to Battery Removal (Section 7).
Compare the values to the following.
a. 12.8 VDC indicates a fully charged battery.
b. The battery readings should be similar. Newer
batteries typically read within .1 to .2 VDC.
c. 13 VDC or more indicates an overcharged
battery, or one that has a surface charge from
being recently removed from the charger. Verify
fig. 5.3.1
correct operation of the battery charger if the
batteries have not recently been removed from
charge.
d. 11.9 to 12 VDC indicates a discharged battery.
Recharge as necessary.
e. Less than 11.9 VDC indicates an excessively
discharged battery.
f. Values larger than 13 VDC indicate either an
overcharged battery or one that has just been
removed from charge, as in the example (fi gure
5.1.1)
SUNRISE MEDICAL QM-7 SERIES SERVICE MANUAL JANUARY 2012
PAGE 5.3