Yes, it can get the battery wet and short circuit it.
No, it helps your phone charge. Its part of the process. If it hurts your phone than you need to switch to t-mobile its the BEST! But no, it shouldn't hurt the battery.
Washing electronics does hurt them. But if you do wash your phone, take out the battery on your phone and put it in a tub of dry rice.
the battery
It is possible to hurt after ice skating, but it is not likely.
It will not hurt it in the least.
A battery that can be refilled with the energy it has. If it is in a phone, when you charge your phone, you are recharging the battery in your phone.
A VTech battery is a battery that is used for your VTech wireless phone; the battery is basically going to power your phone, and allow you to continue to use the phone when it is not on the base.
Your phone has a battery behind back cover as a power source.
A phone battery can be put into the freezer when overheated. After allowing the phone battery to cool down, remove it from the freezer let it come to room temperature, and place the battery back in the phone. Yes it will work.
If your cell phone will not charge it could be the battery or the battery charger. You best way to find out is to try the battery charger on a similar phone and see if it charges the other one.
When the phone is turned off, the battery provides a trickle of power to maintain the memory in the phone.
School does not drain your battery maybe it is you! Do you use your phone at all during school? Maybe it is your battery life! Try looking up on your phone carriers website to see how much battery life your phone gets.