How to re Rechargeable batteries
Intro
I may be no scientific expert but this is a summary of what I have learnt about rechargeable batteries in laptops and cell phones etc
First use
The first time you use a device that has a rechargeable battery make sure you charge it all the way to 100%, and even then if the device tells you it is full charge it for 8 hours at least, and 24 hours is even better
Regular use
When using the device makes sure that it is used up until it has fully discharged at least once every third time. If you charge when it is not flat over and over again it will develop a "memory" and start having less and less battery life.
Extended Life
If you want to extend the life, then make sure it goes completely flat every time and charge it fully every time and this will extend the life. I have also heard a myth (not proven) that placing the battery in the freezer once in a while helps.
Irregular Charging
if you a phone or laptop on charge for too long between running flat the battery will fail. The manufacturers claim to have a 1,000 charges per battery, but this reduces dramatically if you place it on charge all the time. If you have a laptop, then take it off the docking station or disconnect the power at least once a week, and let it die.
Notes
I have followed these guidelines for different batteries, and different laptops, my average laptop lasts me 4 years, and the battery life is normally at least 90% it was when new. This also applies for mobile / cell phones.
Follow these guide lines and perhaps you too will have the same success I have had
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