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conditions are met:
• A battery is connected
• The battery is connected with proper polarity
• The battery voltage is between 5 volts and 13 volts
The Truecharge 10 will not act as a battery eliminator or power supply. It
must be connected to a battery to operate.
Once the Truecharge 10 detects proper connection to a battery, it begins
the three-step charging cycle. The Truecharge 10 will stop charging if it
detects the following conditions:
• Battery voltage less than 10 volts or greater than the gassing voltage
• Internal charger temperature greater than 70 °C
The Truecharge 10 will automatically start charging again if it detects
that the battery voltage or charger temperature have returned to safe levels.
The Truecharge 10 completes the absorption charge and goes to float
mode when one of the following two conditions are met:
• Charger output current has dropped below one ampere (flooded
type batteries remain at absorption voltage for an additional hour
after current has dropped to one ampere)
• The charger has been in absorption charge mode for more than
5 hours.
This “time out” feature protects against situations where a load
connected to the battery prevents the charger current from dropping
below one ampere.
The Truecharge 10 will leave float mode and start another three-step
charging cycle under any one of the following conditions:
• Battery voltage drops below 12.5 volts for more than 15 minutes
• 21 days have passed since the last charging cycle occurred
• The battery has been disconnected for more than 30 seconds and is
then reconnected
• AC power has been disconnected for more than 30 seconds.