10.27
ELECTRICAL
10
OCV - Open Circuit Voltage Test
Battery voltage should be checked with a digital multitester.
Readings of 12.6 volts or less require further battery testing and
charging. See the following chart and “Load Test”.
NOTE: Maintenance Free batteries should be kept at
a high state of charge during storage. If the battery is
stored or used at a low state of charge, hard crystal
sulfation will form on the plates, reducing the
efficiency and service life of the battery.
NOTE: Use a volt/ohm meter to test battery voltage.
Load Test
A battery may indicate a full charge condition in the OCV test,
but still may not have the storage capacity necessary to properly
function in the electrical system. For this reason, a battery
capacity or load test should be conducted whenever poor battery
performance is encountered.
To perform this test, use a load testing device that has an
adjustable load. Apply a load of three times the ampere-hour
rating. At 14 seconds into the test, check battery voltage. A good
12V battery will have at least 10.5 volts. If the reading is low,
charge the battery and retest.
Battery Conductance Analyzer
Conductance describes the ability of a battery to conduct
current. A conductance tester functions by sending a low
frequency AC signal through the battery and a portion of the
current response is captured, from this output a conductance
measurement is calculated. Conductance testing is more
accurate than voltage, specific gravity, or load testing.
Authorized Polaris dealers/distributors are required to use the
conductance analyzer when testing 12V Polaris batteries.
OPEN CIRCUIT VOLTAGE
State of Charge Maintenance Free
100% 13.0 V
75% Charged 12.8 V
50% Charged 12.5 V
25% Charged 12.0 V
0% Charged 11.5 V or less
To prevent shock or component damage, remove spark
plug high tension leads and connect securely to
engine ground before proceeding.
Polaris MDX-610P
SPX PN: PU-50296
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