Regenerating/Recharging Fully Discharged 12 V Batteries (Regeneration Mode); Device Protection Function; Removing The Battery; Switch Off - Medion MD 15526 Mode D'emploi

6.5. Regenerating/recharging fully discharged 12 V
batteries (regeneration mode)
 Attach the fully discharged battery into the charger and start the charging pro-
cess.
In this regeneration mode the battery is charged until the charger measures a ter-
minal voltage that is high enough for a regular charging mode. The device then
switches automatically to an appropriate charging mode and continues charging.

6.6. Device protection function

The device is protected against improper use. If there is a short circuit between the
terminals so that the power circuit is not closed (the terminals are not clamped cor-
rectly) or the battery voltage falls below 7.5 V, the device remains in standby mode.
You cannot operate the device.
In the event that the terminals have the wrong polarity (are connected incorrectly),
the display also lights up.
If the battery itself is faulty,
6.6.1. Overheating cut-out
If the device overheats during charging, the charging power is reduced to a lower
output. This protects the device from damage.
NOTE
The low charging current can significantly increase the charging time.

6.7. Removing the battery

When removing the battery from the charger, proceed in the following order:
 After charging disconnect the device from the mains power.
 Detach the negative terminal clamp (black) from the battery's negative terminal.
 Detach the positive terminal clamp (red) from the battery's positive terminal.
 Reconnect the vehicle's positive terminal connection cable to the battery's posi-
tive terminal.
 Reconnect the vehicle's negative terminal connection cable to the battery's neg-
ative terminal.
6.8. Switch off
 Switch the charger off by pulling out the mains plug.
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lights up on the display.