The Mascot 2015UK6-12 is a fast charger for NiCd and NiMH battery packs made up from 6-12 cells. The standard version uses a method called negative Delta V for charge termination when the batteries are fully charged. This method is based on the fact that the voltage drops over the NiMH and NiCd cells when the batteries are fully charged.
This voltage drop is detected when the voltage has dropped a certain percentage from the highest value. If this drop is not detected then a safety timer is included and this will kick in, saving the batteries from overcharging.
A few cells may exhibit a voltage drop in the early part of charging, especially if they have been idle for a long period time, to counter this the charger has a start timer which prevents cut off in the first few minutes. This is a truly intelligent charger, with LED status indication.
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