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					Originally Posted by tonnie tierney  I have had the prs600 since Christmas.  In six weeks of use, the battery will not fully charge and lasts only about 2 hours per charge.  I bought the external adapter ($29.95 + tax) hoping that it would improve the charge but it made no difference over charging through the USB port.  The controls have become sluggish or only work after multiple tries which I attribute to the sluggish battery.  You can use the reader when plugged into the adapter but this defeats the purpose of a portable device and does not improve the sluggishness of the controls. | 
	
 That's awful. Have you requested a replacement?