Customer Service says that the battery should last one week if the wireless is turned off and 2 days if the wireless is kept on. If yours does not last that long, please call Customer Service, 866-321-8851. Mine only lasts a short day, so Amazon said it is defective and they are replacing it.
Colin, CS had me keep a written log so they knew the pattern of my Kindle - fully charged for 3 hours, lasted 16 hrs., 12.5 in sleep mode and 3.5 reading. I am able to read for 7 hrs or more by turning it off inbetween reading - that puts it down to about 1/2. Hope this answers your question.
This problem (less than 24 hour battery life with wireless off) was common with software release 1.0. When I finally upgraded to release 1.0.4 the problem went away. You can easily upgrade for free, follow directions on Kindle website.
This has just started happening to me-- ordered my kindle on day 1, received it next day, had no problems (ever). Then in the past week it's only holding a charge for at most 24 hours (and I'm not even sure of that).
I was getting a couple of days like you guys and called CS at Kindle. They said that if I was leaving my Kindle with the screen saver on (I was) this is about right. They said if I flip the power switch to "OFF" when not using it my batt life would double or triple (assuming "normal" usage). I'll give that a try, but that was new/good information for me as I thought I had read somewhere before getting my Kindle that an image on the screen didn't draw power because of the way the "electronic ink" worked. Therefore I was not turning it off via the switch when I stopped reading........
So far after a month mine is holding it as it should. I don't notice any dip in the battery life when I leave it on screensaver.
The Kindle batteries are surprisingly cheap compared to batteries for other small electronic devices so I bought a second battery as a "just in case"...I would hate to be somewhere and have my battery conk out!
My Kindle has been draining in a matter of hours when I put it in sleep mode, but is fine if I just do on and off switch. I called CS and they said they are going to send me a new one, that this behavior is not normal. I just got my Kindle on Monday and it first started happening the next day. No wireless usage, it had been fully charged the prior day, I let it be in sleep mode over night, and it never woke up the next day until I charged it... doesn't stop turning on if I'm using the on and off switch... every time I let it sleep for a little while though, no luck.
Looking forward to receiving the replacement eventually so that I won't have this funky glitch.
I am interested in knowing the best way to preserve the batteries. Some batteries do well being "topped up" often while others do better if they are allowed to almost (or fully) discharge. Which type is the Kindle battery (I have the newest model purchased May 2011).
Mary, I was told that I could charge it whenever and didn't have to worry about fully discharging the battery. I don't know if that's true, but it seems to be working fine for me, so I don't worry about trying to use up all the battery before charging it.
I cannot get my kindle to turn on after having it plugged in for about two hours. Normally it charges withing 45 minutes or so and I have (until now) no problems. Now I don't know what to do to get it to work. Any suggestions?
I had problems with my battery and CS told me to hold the power button for 20 seconds and it would reset. This worked perfectly. My battery is back to holding its power for at least a week, and I read a lot. I let my kindle go to sleep mode when not reading. I never turn it off.
My issue right now... with wireless off, my kindle was lasting 3 weeks, now I'm down to several days... nothing (that I know of) has changed. I'm going to try the power off and get back to you. Is it weird that my kindle lasted several weeks and now it's not?
The Free Games (Poker or BlackJack) from Amazon Digital Services cause my Kindle to die in less than a Day, several days in a row. I finally figured out what the problem was, and got the game out of the state that was draining the battery. I didn't unload the games (although I am very leary of playing them now). I just finished playing a hand, or something (not exactly sure), and got it into a state where it is no longer draining the battery. That is the only thing that changed before and after I had the problem.
My battery seems to need to be charged daily. but I am not sure if it is because I have the lighted case and I have been spending a lot of hours working on organizing my books. I seem to have my kindle on night and day.