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Post by issac on Mar 2, 2009 18:54:44 GMT
as you say it also depends on the charger
my silent charger takes 45 mins no matter what i put into the battery( although i do stop it before it gets to the peak if pushed for time ) and has a max of 5 amp.
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Post by Martin Young on Mar 2, 2009 21:22:40 GMT
As posted on the other thread.
As you guy's were talking about charging rates here is a quote from Orions web site for your information.
"Kokam certifies a charge rate of 1C (.1A for every 100mAh ex. 3.2A for a 3200mAh battery) This means the recommended maximum charge current is 4.8A for 4800’s and 3.2A for 3200’s. The batteries are known to be capable of accepting 2C or even 3C charge rate. However, this will reduce the useful cycle life. Therefore, Kokam and Team Orion do not recommend using a higher charge rate.
For the experts: The charging regime is CC/CV. This means the batteries begin charging with a continuous current (CC). When a certain cut-off voltage is reached, the charger will keep the voltage constant (CV) and the charging current will decrease until the full state of charge is reached. When using a higher rate than 1C, the battery will reach the cut-off more quickly, but at this point it is not fully charged. After switching to CV, it will take longer to reach the 100% full state."
I think as Ed say's in the other Lipo thread the important thing relating to safety is the maximum voltage the cells are charged to, but just be aware charging a 2C is not much faster than charging at 1C for the reason stated above.
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