Typical Charge Voltage Caracteristics
1 Maintenance Free Battery 3 Battery Volts (CMEF)
2 Standard Battery 4 Battery State of Charge
Place a wet cloth over the vent opening or openings. If, when charging the battery, violent
gassing or spewing of electrolyte occurs, or the battery case feels hot (125°F, 52°C),
reduce or temporarily halt charging to avoid damaging the battery.
Follow the manufacturer’s instructions on the charger. If they can no longer be read and a
copy of them is not available, write to the manufacturer for a copy and paste it on the
charger. Never use a charger without these instructions.
Always turn the charger to the “OFF” position before connecting the leads to the battery. If
you have any doubts that the charger is actually “OFF”, disconnect it from the power source.
The state-of-charge of maintenance-free batteries can be determined with an accurate
voltmeter. A voltmeter should not be used unless it can be checked frequently against one
of known accuracy. If the stabilized voltage of a battery at room temperature is 12.2 volts,
is should be charged for one-half the time shown in the “Slow Charge” column of the
Charging Guide, at the applicable rate in amperes. If the voltage is 12.4 volts, it should be
charged for one-fourth the time shown in the “Slow Charge” column, at the applicable
charging rate. Follow the manufacturers instructions on batteries equipped with state-of-
charge indicators.
Maintenance
176 P/N 12261-319 REVISED: August 2012
Courtesy of Crane.Market
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