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<DIV>Depends. Heat is the enemy of batteries. Fast charging by nature will raise the temperature of the battery, in that sense a slow charging method does a better job. i.e. if you charge a battery on a 100 degree day it will not hold as much energy as a 65 degree day, when all other parameters are identical. Fast chargers can also falsely identify the peak. Ideally for best capacity a 1/10C rate charge to peak, followed by a trickle is the best. In practicality..............</DIV>
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<DIV>Phil</DIV></BODY></HTML>