Lithium batteries need to "trickle" charge

Lithium battery cell phone or the charger will automatically stop after the battery is fully charged, there is no electricity nickel charger so-called "trickle" charge for 10 hours. That is, if the lithium batteries in full, continue on the charger is not so-called "trickle" charge.  In addition, in some of the phone to charge more than a certain amount of time, if not remove the charger, this time not only to stop charging system will start to discharge to charge cycle. This is the mobile phone manufacturers for the lithium battery self-protection settings.  Also noteworthy is the lithium battery is also not suitable for over-discharge, over-discharge of lithium batteries there is a serious risk, it may cause permanent damage of the battery, the most serious operation which may not boot, so everyone in the use of time, be sure to see the battery warning even if the charge.