![]() It probably won't hurt the KF or the battery but it does shorten the battery life if done repeatedly. Do NOT allow the battery to discharge completely. Use it normally until you see the 15% battery remaining warning. They won't hurt your battery but they may well throw off the synchronization with the battery monitor. Do NOT use cables that charge more slowly. Use the Amazon cable unless you are ABSOLUTELY SURE that the cable you're using supplies at least the same amperage as that cable, about 2 amps. Don't turn on the KF to check on progress. Pay no attention to the orange or green light. () Plug in the charge cable from Amazon and let it charge for at least four hours, preferably overnight. (If it already appears to be dead, you can skip this step.) "Turning it off" means holding the power button until the message appears asking if you want to turn it off. It works for any lithium ion or lithium polymer powered device.) (This, by the way is identical to the advice Apple provides for the iPad. You can correct the problem.ĪT LEAST ONCE A MONTH go through the following procedure. If you didn't charge it when you first got it, however, don't worry. That in itself will likely cause problems down the line. However, when you first turn on the device, the battery monitoring software takes the voltage as the baseline for a full charge. ![]() A device is typically shipped with about 40% charge and if the battery or the device has sat on the shelf for a couple of months, the charge may be less considerably less. To avoid problems down the line when you first get your device charge it for at least four hours before using it. So the task is to keep the battery monitor discharge profile "up to date" and complete. (A battery's voltage goes down as it discharges.) If that profile is out of whack or missing data, the monitor can be completely wrong. Instead, the battery monitor measures the current voltage being supplied by the battery and compares that voltage to a "discharge profile" it has developed over time. There is no way to "measure" the remaining charge in a lithium ion battry. So here are some guidelines to keep in mind and a method that will largely eliminate the problem unless you truly have a bad battery, a broken microUSB port, or charger.Īlthough the little battery monitor on your device looks like a fuel gauge in a car, it isn't. Either condition leads to very undesirable results. When this happens, the device is likely to "believe" that it has sufficient charge when it doesn't or that it has no charge when it does. If you have any of the problems above, the answer is VERY likely to be that the battery monitoring software/firmware in the KF has gotten "out of sync" with the actual charge in the battery. But given the fact that (a) many users report problems with more than one Kindle Fire and (b) a recent study of various devices returned to manufacturers for "bad batteries" found that over 90% had perfectly functioning batteries, the problem appears to be much more widespread than these factors can account for. (The little microUSB connector on the KF is not very sturdy.) And some cases may represent faulty batteries. Some of these problems no doubt stem from faulty charging units or bad charging ports. So what do ALL of these devices have in common? Answer: They all have lithium ion or lithium polymer batteries and most (though not all) run the Android operating system. ![]() There are even reports of similar behavior on the iPad and a number of other Android tablets. What's interesting about this is that there are virtually identical complaints about the B&N Nook, and various smartphones including the Droid Razr Maxx (that I own) and various other smartphones. ![]() Won't turn on, rapid battery drain, won't turn off, won't charge, etc. There are literally hundreds of Kindle Fire reviews and posts on the Amazon Kindle forum from folks who have battery and charger problems. In many cases, it simply isn't necessary. I'm posting it here in the hope that others will be able to deal with the problem without necessarily returning their KF. I'm posting the following admittedly long-winded post in response to the numerous problems people have encountered with the KF's "battery." I've included this information in numerous posts on several forums (both for the KF and for other products).
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