Club Car 2009-20011 Electric Precedent Maintenance And Service Manual page 333

BATTERIES
Interpreting the Results of the Hydrometer Test
The approximate state of charge can be determined from the following table:
SPECIFIC GRAVITY (TEMPERATURE CORRECTED)
If the difference between the cells is 0.020 or more, the low cell should be suspected. It may require a catch-up
charge or it may be a weak cell. When the variations between cells reach 0.050 or more, the battery with the low
cell should be replaced.
ELEC-
VEHI- BAT-
TROLYTE
CLE TERY
TEMPER-
NO. NO.
ATURE
20 °F
12 1
(–6.6 °C)
50 °F
54 3
(10 °C)
100 °F
38 2
(37.8 °C)
80 °F
22 4
(26.7 °C)
1.250-1.280
1.220-1.240
1.190-1.210
1.160-1.180
CORREC-
TION
CELL
FACTOR
1
1.275
–0.024 –0.024
= 1.251
1.260
–0.012 –0.012
= 1.248
1.200 +
+.008 0.008 =
1.208
1.240
.000 – 0 =
1.240
2009-2011 Electric Precedent Maintenance and Service Manual
CORRECTED SPECIFIC GRAVITY
CELL CELL CELL
2 3 4
1.280 1.280 1.275
–0.024 –0.024 –0.024
= 1.256 = 1.256 = 1.251
1.200 1.270 1.265
–0.012 –0.012 –0.012
= 1.188 = 1.258 = 1.253
1.180 + 1.170 + 1.200 +
0.008 = 0.008 = 0.008 =
1.188 1.178 1.208
1.245 Float 1.235
– 0 does – 0 =
= 1.245 not rise 1.235
Battery Testing – 12 Volt
APPROXIMATE
STATE OF CHARGE
100%
75%
50%
25%
REQUIRED
CELL CELL
ACTION
5 6
1.280 1.280
Sound Battery – Fully
–0.024 –0.024
Charged
= 1.256 = 1.256
1.270 1.260
–0.012 –0.012 Bad no. 2 Cell
= 1.258 = 1.248
1.180 + 1.198 + Discharged Battery
0.008 = 0.008 = – Recharge and
1.188 1.198 Recheck
1.250 1.240
no.3 Cell Dead –
– 0 = – 0 =
Replace Battery
1.250 1.240
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