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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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Quick charger vs Slow: Which last longer NiMH batteries?
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Quick charger vs Slow: Which last longer NiMH batteries?
Ron Hunter wrote:
It is logical that faster chargers will shorten battery life. However, if it reduces the number of recharges by 75%, then, instead of 500 recharges, you get only 125. That's about a penny per use/charge cycle. Why worry about it if the convenience is significant? In my case, because it will increase the frequency of failures, and the number of times you run into battery problems in the field. Why not just organise your battery usage so that you can afford the longer time? Using low-self-discharge batteries, there is no reason why you can't always have at least one set pre-charged and ready to go. I lament this society where speed and disposability are the priorities.. (O: |
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Quick charger vs Slow: Which last longer NiMH batteries?
Mark Thomas wrote:
Ron Hunter wrote: It is logical that faster chargers will shorten battery life. However, if it reduces the number of recharges by 75%, then, instead of 500 recharges, you get only 125. That's about a penny per use/charge cycle. Why worry about it if the convenience is significant? In my case, because it will increase the frequency of failures, and the number of times you run into battery problems in the field. Why not just organise your battery usage so that you can afford the longer time? Using low-self-discharge batteries, there is no reason why you can't always have at least one set pre-charged and ready to go. I lament this society where speed and disposability are the priorities.. (O: As do I, but I recognize that time if of the essence to some. When it comes to things like electric cars, a quick recharge is a very important aspect of the projected usage. To me, waiting 3 hours for my batteries to recharge isn't a burden, since I keep disposable batteries handy for emergencies. For a professional in the field, a quick recharge ability might be more significant. |
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Quick charger vs Slow: Which last longer NiMH batteries?
On Thu, 01 Jan 2009 03:50:50 -0600, Ron Hunter
wrote in : As do I, but I recognize that time if of the essence to some. When it comes to things like electric cars, a quick recharge is a very important aspect of the projected usage. ... Battery swap easily solves the problem, in both cases. -- Very best wishes for the holiday season and for the coming new year, John |
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