TROJAN BATTERY
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6.6 CHARGING AT TEMPERATURES BELOW 68°F 20°C
Maximum charging currents must be reduced at temperatures below 68°F (20°C). Measures need to be taken to
ensure that charging currents do not exceed the values shown on the product datasheet. As mentioned previously,
charging is prohibited below 32°F (0°C).
6.7 CHARGING PROCEDURE
î Verify that the battery is correctly hooked up to the charger with the positive wire on the positive (+) terminal and
the negative wire on the negative (–) terminal.
î Ensure the charger is set to run the appropriate profile.
î If the charger will not run until it detects battery voltage, be sure that the batteries are turned on.
î Start charging, following the charger manufacturer’s instructions.
î After the charge has completed, the charger may be shut off and disconnected, or if it remains in a “maintenance
mode” at less than 55.2 VDC, it can remain connected to the battery indefinitely.
6.8 OTHER CHARGING INFORMATION
î Chargers which utilize an automatic desulfation or equalization mode are not recommended.
î While the battery is being charged, the blue LEDs will flash the current state of charge once each
second. See Section 4.11: “Indicator LEDs,” for interpretation of LED information.
î If a battery shuts off due to low state of charge, it should be recharged as soon as possible. Failure to do so may
render the battery permanently unusable.
î Depending upon the initial state of charge and the size of the load, even small parasitic loads such as motor
controllers and on-board chargers can fully discharge batteries in as little as a few days. For instance, a 25mA
load amounts to 0.6Ah discharge per day. Be sure to understand the parasitic loads in your application and set
an appropriate charging interval. If the batteries will not be used for extended periods of time, turn them off.
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