maaf mau tanya, ada yg pnya batre back up yg ky bgini gak? http://i.ebayimg.com/00/s/NjI4WDc3MQ==/$%28KGrHqV,!pcE9eMM4r4ZBPZqEvEkO!~~60_35.JPG ipod mini sy nge'drop ni batrenya :(