First off this isn't a guide about how to make your battery last longer between charges, at least it isn't yet. If a demand arises I will happily facilitate. *EDIT* For simplicity's sake I am including a link to V7's battery guide which addresses increasing the time between charges. ✭[GUIDE][26-07-2016]Extreme Battery Life Thread(Greenify+Amplify+Power Nap)✭
This guide is about reducing wear that happens from many thing we all either knowingly do; out of a possible misunderstanding, or ignorance. All of this information is available doing a simple Google search, I am posting it here though for those who otherwise would not think to Google it. Furthermore I claim credit for absolutely none of this, but I do hope you find it helpful.
HOW TO PROLONG YOUR Li-Ion BATTERY'S LIFE
1) Keep your battery at room temperature:
Heat is the worst enemy of your cell phones battery. So keeping your battery at room temperature (65-75*F) is the first step towards prolonging your battery's life. According to Battery University
each 8°C (15°F) rise in temperature cuts the life of a sealed lead acid battery in half.
They also go on further adding
Once the battery is damaged by heat, the capacity cannot be restored.
There are many things you can do to keep your battery cooler, such as taking it off the charger when the phone is done charging, and avoiding prolonged continuous usage. Also avoid leaving your phone in your car, it gets upwards of 140* in a car during the summer. The worst thing that can happen to a Li-Ion battery is a full charge and high heat, so avoid charging your phone until your car has cooled off if you are charging your battery in the car. Heat is by far the greatest factor when it comes to reducing the lifespan of a Li-Ion battery.
2) Use partial-discharge cycles:
According to lancair.net
Using only 20% or 30% of the battery capacity before recharging will extend cycle life considerably
Other sites I read while researching this stated that users should use up to 80% of their energy before recharging, they were all consistent with regards to a few things including: avoiding full discharges will prolong battery life, and it takes several partial charges to use one full charge cycle. Additionally Li-Ion batteries do not have "charge memory", but your digital device most likely does. Discharging the battery until cut off after every 30 charge cycles re calibrates the devices gauge.
3) Avoid keeping your battery at 100%:
Every source I referenced for this guide said the same thing about keeping your battery at a full capacity, but oranageinks.com
explains it most simply by stating
4) If you are going to store your battery for an extended period store it at about 50% charged:
Permanent capacity loss is greatest at elevated temperatures with the battery voltage maintained at maximum (fully charged).
This goes hand-in-hand with number 3. Also keeping the battery cool during extended storage will slow deterioration. Keeping the battery in a sealed bag or tupperware in your refrigerator is okay, but storing your battery in the freezer is not. When a battery is fully charged oxidation is occurring at its highest rate, and oxidation is essential corrosion. Oxidation occurs whether the battery is in use or not, for this reason it is better to get a high capacity battery rather than a spare. So with this said it almost should go without saying that if you can, buy batteries with a recent manufacture date.
5) Avoid completely discharging your battery: Lancair.com
Very deep discharges will quickly, permanently damage a Li-ion battery. Internal metal plating can occur causing a short circuit, making the battery unusable and unsafe. Most Li-ion batteries have protection circuitry within their battery packs that open the battery connection if the battery voltage is less than 2.5 V or exceeds 4.3 V, or if the battery current exceeds a predefined threshold level when charging or is charging
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