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Charging Ni-MH batteries with Ni-Cd charger

Don't do this, as there are huge differences in the charging conditions between the two types of batteries. It is always advisable to recharge the batteries using a charger appropriate for that type of battery. Charging the batteries with an unsuitable charger could cause them to leak or deteriorate battery performance.
Charging Ni-MH batteries with Ni-Cd charger
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