How to use the Dell Studio PP39L laptop battery
1.For the first time using the brand new replacement Dell Studio PP39L battery,please discharge it to 5% and the fully charge it to 100%. 2.For normal daily usage,please recharge immediately when the replacement Dell Studio PP39L battery reduced to 3%. It is prohibited to discharge the battery to 0% as that will shorten the battery life and causing dameges to the battery. 3.The battery needs to be recycled constantly. It is recommended to fully discharge to 5% and recharge to 100% once every two months in order to maintain the best performance. 4.If you don't use the battery for a long time(2 months or more), you should charged it a mininum level of 50%. Otherwise it may not be able to charge again after long time storage. 5.Don't take out the replacement Dell Studio PP39L battery from the laptop while it is charging or discharging. 6.When discharging, don't discharge to 3% or lower. It is prohibited to discharge the battery until the laptop lost power or 0%.