Cartrend DP 3800 Mode D'emploi page 24

Functions
the charger has 5 charging modes to choose from based on the bat-
tery type, battery condition and the environmental conditions.
the charger features a micro-computer unit (Mcu). after selecting the
desired charging mode the charger will recognise the battery connec-
ted (voltage, capacity, condition) and compute the necessary charging
parameters (charging voltage, charging current). this allows for effici-
ent and safe charging. When selecting a charging mode not suitable
for the battery or if the battery is defective, the charging cycle still not
start. the charger switches to error indicator.
the „"trickle charge"" function allows the charger to be permanently
connected. a full charge will be maintained.
24 GB Instructions for use DP 3800 battery charger