What are the disadvantages of fast charging over slow charging? Number of recharges..?

Yes there are some factors to take in to consideration when comparing fast charging versus slow charging, but basically as long as you have a good quality cbattery harger that does not literally fry your batteries, it all boils down to your needs and preference.Basically to use a simple analogy, fast charging is sort of like when you drive your car at higher speeds, you get to your destination faster but there is a little more wear and tear on your vehicle. However on the other hand when you dri ...

Can I use my older NiCD battery charger to charge my NiMH batteries?

No, you can use a newer NiMH charger to charge your old NiCD batteries but you should not try to charge NiMH batteries with a NiCD charger. Here's why: NiMH and NiCD batteries are chemically very similar and when both are fully charged the battery voltage will start to drop. The NiMH voltage drop is much more subtle and more difficult to detect. NiMH chargers usually have an over temperature sensor and shutoff to prevent overcharge as well as a more sensitive voltage drop detector where NiCD cha ...

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