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SCM25 LITHIUM (12V only) - PHASES DISCUSSION
PRELIMINARY CHECK
RESCUE
CHECK
BULK CHARGE
ABSORPTION
CHARGE
FINAL CHECK
MAINTENANCE
NOTE
THE red DOTTED box
mode section that is activated only in case of battery low
performances.
Battery status Check.
Charge will not start with voltage under 2.0V
and < 14V
For deeply discharged battery: current will
be 500-800mA at 13,8V until voltage will be
>11,5V (2 hours max timeout)
If battery voltage＞10.8V, Smartcharger
moves to next step
If battery level has reached 13.8V. A constant
current 25A, will charge the battery when the
current reduces to 1.5A
If battery level is between 13.8V-14.4V,
Smartcharger will switch to Constant voltage
mode: output current will automatically
adjust as according to the raise of battery
voltage. The charge will stop at 14.4V.
Smartcharger will turn on the Full charge
icon led if the current reduces to 1.5A
Battery voltage is monitored for 1 minute. If
voltage has a dramatic drop down under
12.2V, the battery will be classified as
exhausted and the error led will turn on. If
voltage can be retained at 1 minute, then the
Maintenance mode will start
Battery maintained at 13,8V to be kept always
ready to go. Routine is: 2 minutes charge and
2 minutes pause for 12 hours, then stop.
If voltage drops below 13,15V, the
maintenance mode routine will restart.
If voltage drops below 12V, the smartcharger
will restart from bulk charge.
12
underlines the whole rescue
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