inputs.text: touch screen great battery life abyssmal - picked prs600 target clearanced sony announced new model 650 target beginning carry kindle first unit got wouldnt charge correctly battery inside unit ended swelling bad lithium battery exchange unit new one replacement charging 4 hours works great exactly wanted far interface goes take notes book make drawings notes kids screen little reflective contrast leaves little desired expected issues bought many reviews refer issues wont go prs650 supposed address change \\pearl\\ eink system ive found nearly unacceptable battery life ive drooling eink technology almost ten years patiently waiting specifically wanted reader thing always liked idea idea no battery usage except change page not case prs600 resistive touchscreen whatever inside little processor head constantly using battery way reduce battery usage turn definitively not sliding switch puts unit sleep mode yet get 4 days charge ive never gotten full book without needing least three charges due time constraints usually take week read 200ish page book 400 \\turns\\ reader ive unit two months read several books still cant decide worth charging hassle unless leave charging andor powered book rarely ready pick take isnt malfunction battery \\within spec\\ sony one session nothing change pages im sure id get thousands page \\turns\\ however spread couple days real world usage might get couple hundred ive got external charger barrel plug 52 volt charger not come unit charging method box via usb charging usb not use unit charging barrel plug charger able use normally charging mp3 functionality slightly less adequate dont use interface mp3 files laughable want anything listening one two songs doesnt keep place unit reindexes turn plug computer isnt usable podcasts audiobooks thats okay gadgets want make clear case anyone thinks theyll able replace music player overall suggest decide want need note touchscreen functions would returned within couple weeks not would say go another unit prepared deal battery issues