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Originally Posted by Venkatesh
I have a question for the electrical wizards out there. How would a charging system be properly designed to charge multiple batteries at one? I would think a nicely setup diode layout would prevent one battery trying to charge another, even if there was a chance for something like that.
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There are ways Venkatesh...
Actually there are a number of multiple battery charger for all kinds of applications. They generally use a common power supply and then branch out to fedd each battery through it's own charge circuit. You want the charger to constantly check the state of charge the battery vitals and generally even the temperature of the individual batteries. I know that Motorola has eight wide charging stands for walkietalkies. These chargers give indications of the state of charge on each battery and can even flag batteries that are about to die. Some multi chargers are actually computer controlled devices that can produce a series of tests and give printed reports of battery by serial number.