It uses to monitor the process and invites -Delta U with 500 mA. In addition, it has a permanent blue backlit LCD display on the display that the batteries charge, are full or are defective in the opinion of the appliance.
A single channel control is not available and battery can only be charged in pairs. One should therefore not possible insert a battery that is full and is empty because then one is overloaded.
For this price, but you should not expect. Chargers with individual supervision and Co. cost the like 2 to 5 times. (Except the BC 700)
When charging the battery barely heat up. Thus, no battery maker.
For those that your NiCd or NiMH batteries in pairs Laden wants this charger is a great choice.