If you are a "normal" person, you probably have at least one device kicking around your arsenal that uses a good old lithium ion battery. These are usually found in phones, mp3 players, laptops, etc... basically portable things that use a lot of power.
There are a lot of opinions out there on best practices with batteries, below are some decent guidelines that should keep the relationship between you and your precious device happy and productive...
Resolution
The main points are bascially:
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