This method is often used with nickel-cadmium cells which have a large drop in voltage at full charge but the voltage drop is much less pronounced for NiMH and can be non-existent at low charge rates, which can make the approach unreliable.
This method is often used with nickel-cadmium cells. These cadmium cells have a large drop in voltage at full charge. The voltage drop is much less pronounced for NiMH. The voltage drop can be non-existent at low charge rates. Low charge rates can make the approach unreliable.