For standard charging, most Kindle versions can go from a dead battery to completely full in five hours or less. With a fast charger, fast wireless charger, or any other charger that speeds up the process, a dead Kindle can be charged in as little as 2.5 hours. It depends on the version of Kindle and charger.
The safe operating temperature range for most Android phones is between 32 and 95 °F (0 and 35 °C). Any time your phone is between these temperatures, it can be considered normal. Another way to think about it is that the phone should never burn or freeze you, so anything between freezing and your body temperature is fine.
Using your phone while charging should not damage the battery or any other part of the phone, even if that use involves high-end gaming. The charging system is very smart and will route power appropriately to make the phone work and protect the battery. That said, there is an increased risk of heat, and that matters.
In the vast majority of cases, constantly charging your laptop does not harm the battery. In fact, more often than not, this practice actually extends the battery’s lifespan for the laptop, and it can help boost laptop performance. The only major concern is heat buildup, so make sure your laptop has good airflow.
Usually, frequently charging your laptop will not damage the battery or cause any major problems that you need to know about. Frequent charging does have a set of pros and cons, but when it comes to the battery, frequent charging often extends the battery’s lifespan. For the most part, you can charge whenever you want.
For the most part, constantly charging a phone does not damage the battery. Most manufacturers suggest that you can charge the phone however you like, and it will be just fine. In fact, constant charging can extend your battery’s life in many cases. The only real concern is avoiding charging in high temperatures.
For the most part, frequent charging is not an issue for modern phones with lithium-based batteries. Charging behavior does impact your battery’s lifespan, but the exact ways depend on how you use the phone and what kind of battery you have. You can research best practices for your specific battery.
The easiest thing you can do is test the laptop with a known-good, compatible charger. If you don’t have such a charger, you can look over the devices for obvious signs of damage or use a multimeter to test each component. You can also take the laptop to a repair specialist who will perform specific tests to isolate the problem.
It is perfectly fine to use a modern phone as soon as you receive it or take it out of a box. Older battery technology required significant charging before it was ready for use, but that has not been the case for several years now. A new phone is fine to be used or charged as you see fit from the moment you get it.
Here’s whether NFC drains your cell phone battery: Technically speaking, NFC applications do drain some juice from your phone’s battery. That said, they are arguably the least power-hungry applications on a phone, and you could use NFC nonstop for up to a day on most phones. In practice, NFC applications will never drain a noticeable … Read more
The short answer is yes, but it’s a little complicated. Plugging your phone into a computer creates a situation where it is definitely possible for the computer to see personal information on the phone. That said, there are security features and protocols that make this hard, meaning it isn’t always likely.
There is not a clear best manufacturer for cell phone batteries. Virtually all smartphones use similar lithium-ion technology these days, and the best lithium-ion battery manufacturers are more interested in electric cars. That said, Samsung can arguably claim to be the best, with a few others close behind.
The reason that your battery drains even when the phone is off is that the battery is incapable of holding a charge forever. The raw physics of how batteries work forces them to slowly lose charge over time, even if they aren’t powering anything. This, the age of the battery and its environment all play a part.
In the vast majority of cases, you can charge a phone during a thunderstorm, and everything will be just fine. That said, any expert in the fields of electricity, telecommunications, and construction is likely to tell you that there is still a chance your phone could be damaged. The general recommendation is to unplug.