Battery life

We always think for a longer life duration batteries but this will depends even upon us.Many people dont know how much they should charge but as on lcd we see the strength of the battery and it shows how much it has charged but it does not show the life of battery.
Lithium-Ion-Batteries
Tips to save battery life
1.do not over charge the battery or discharge.
2.never short circuit the terminals.
3.dont leave the batteries alone keep charging even they not in use like once in a month
4.before buying look the cells when they manufactured since it life cycle would be ending even they not in use.
5.Test the batteries voltage when you bought them from shop and their full discharge time.
6.Never use fast charging methods unless it would be tested by a experienced technician
Their are many more things that we should remember during buying or replacing etc.Just think a normal cellphone it will give more hours when we brought from the shop but from their it will start to give low hours this is a way of battery life ending.