Specific Gravity Test (Conventional Battery); Battery Conductance Analyzer - Polaris 340 LX 2007 Service Manual

Battery and Electrical Systems

Specific Gravity Test (Conventional Battery)

NOTE: Do not attempt to open the vent cover on a
fresh pack battery.
A battery hydrometer (PN 2870836) can be used to
measure electrolyte strength or specific gravity. As the
battery goes through the charge/discharge cycle, the
electrolyte goes from a heavy, more acidic state at full
charge to a light, more water state when discharged. The
hydrometer can measure state of charge and differences
between cells in a multi-cell battery. Readings of 1.270 or
greater should be observed in a fully charged battery.
Differences of more than 0.025 between the lowest and
highest cell readings indicate a need to replace the
battery.
Battery Voltage
CONVENTIONAL
STATE OF CHARGE
LEAD-ACID
100%
12.60v
CHARGED
75%
12.40v
CHARGED
50%
12.10v
CHARGED
25%
11.90v
CHARGED
0% CHARGED < 11.80v
Battery Voltage Per Cell
CONVENTIONAL
STATE OF CHARGE
LEAD-ACID
100%
1.265v
CHARGED
75%
1.210v
CHARGED
50%
1.160v
CHARGED
25%
1.120v
CHARGED
0% CHARGED < 1.100v
10.4

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.
YUMACRON TYPE
12.70v
12.50v
12.20v
12.00v
< 11.90v
YUMACRON TYPE
1.275v
1.225v
1.175v
1.135v
< 1.115v
9923396 - 2007-2012 EDGE/Widetrak LX Service Manual
©2011 Polaris Sales Inc.
Polaris MDX-610P
SPX PN: PU-50296