9
When the input voltage is 13.0/25.5 volts DC or higher, echo-charge
automatically switches ON. The LED glows a steady green. When the
input voltage is lower than 13.0/25.5 volts, the echo-charge automatically
switches OFF, and the LED blinks green. The output voltage of echo-
charge is limited to 14.4/28.8 volts. When it reaches 14.4/28.8 volts, the
charge current will decrease, maintaining a float condition. The starter
battery will be fully charged without overcharging.
No load current drain on the house bank is less than 50 milli-amps.
If the input voltage is above 14.4 volts (or 28.8), output will be limited to a
maximum of 14.4/28.8 volts.
OPERATION
Voltage Differential (VDC) Between
House Battery (+) and Starter Battery (+)
The graph shows the relationship between the
voltage difference over the echo-charge (voltage
difference between house (+) and starter (+) battery)
and the charge current.
Output Current (Amps)
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