Lithium Ion battery capacity starts diminishing shortly after they're manufactured, regardless of the charge on the battery. The rate of decline depends on a lot of factors, especially heat and the rate of consumption of the energy in the battery.hasbeen;1498914 wrote:For you smart people, if I leave my phone charged all the time, never taking it off, it won't weaken the battery to point it doesn't hold a charge as long?
A battery kept in a laptop at 100% all of the time would probably diminish ~20% over a year, depending of course on the temperature of the battery.
What it boils down to is to just plug your phone in if you think you'll need the juice.
I just charge my phone when I go to bed. If I hit it hard throughout the day or I happen to be going out at night, I'll toss it on the charger for an hour before I head out. People who are constantly running their phone down to 2% and then charging it back up to 100% are probably doing the most harm to their batteries.
You're probably better off keeping your phone between 20%-80%.
