If there is a hole through your battery, do not use it.
no
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.
When the phone is turned off, the battery provides a trickle of power to maintain the memory in the phone.
depenf on phone& battery capacity also how long we use the phone.
Yes it will give you longer use time between charges.
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.
It would not be safe to use, because the shocks would not be effective.
No, it is not safe to add rainwater to a battery as rainwater may contain impurities or contaminants that can damage the battery. It is recommended to only use distilled water for topping up a battery.
Yes, but it is not as safe as a sealed battery.
Whenever you find that the battery of phone has been emptied, you can recharge it. It depends upon your use.
Batteries4less.com have a large selection of new cell phone batteries. The length of the battery life all depends on how much you use your phone and what you use it for.
Yes , you can use the 900mah. The 900 will hold a charge a little longer than the 820.
The life of a cell phone battery is about one to two years, depending on how much you use the phone. The higher quality of phone you have, the longer your battery will last as well. If you drop your phone, it might make the battery stop working before it should.