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Quick charger vs Slow: Which last longer NiMH batteries?
In article , wrote: "lbbss" wrote in message news: ... I have NiMH batteries and have both Quick charger and slow Energizer charger. Will I get more charges if I use slow charger? Also will it last longer with slow charger? thanks. How much charge you get really depends on the specify charger, the cut- off time or cut-off voltage. It will last longer in terms of life expectancy of the battery if you use slow charger. Some makes of battery will heat up really quickly if you use fast charger. I have observed some makes of battery heating up in 10 minutes to a point that is too hot to touch in a fast charger, while some makes remain just warm to the touch in the same fast charger. I suggest you test the heat buildup of the kind of battery you want to quick charge. Use the slow charger when you are not in a hurry. Another thing is that, it is better to have a charger that charges each battery individually. It used to be quite expensive but the price is coming down. Many of the older chargers require you to charge either 2 at a time or 4 at a time. That is a bad idea because the weaker battery in the set will tend to make the charger overcharge the stronger ones. FWIW I've retrieved hotter batteries from some poorly-designed 1 hour chargers than well-designed 15-minute chargers. |
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