How does GWS peak charger work?
When a Ni-Cad battery is charged and its voltage increases. It is a basic characteristic of these batteries that when they are fully charged the voltage levels off and then goes down very slightly. The chargers look for this small change in voltage and terminate the charge when they notice it. Note that some chargers drop into a maintenance trickle mode but beware of this. In some cases the trickle charge is much too high for the battery to be left for a long time and so the battery can be overcharged even on the “trickle” rate.
