Sony's PlayStation is the successor was ist kobalt to the PlayStation the world's most popular and as recently as July the world's best selling video game console.
The battery will over-charge if left attached to the charger. The battery stops charging automatically when full lithium facts so it will not over charge. If the battery is left on charge too long it is possible that heat will damage the battery.
Even the best solution has internal resistance, which it discharges through over time, thus that optimal 40% capacity drips away. Another thing Lithium-Ion cells absolutely loathe apart from heat and being overcharged is being fully discharged.
The iPod warranty is one year but you can expand it for two years with AppleCare Protection Plan for iPod. Various merchants have inexpensive extended warranty coverage available and often these programs purely change the lithium bettery stock product with a corresponding new unit.
All power tool batteries degrade over time and lithium ion batteries degrade more rapidly over periods of un-use. Accordingly, use them often and when you're not in the trenches of a project, try to use them at least once each month.
The thing to realize about any battery is it does have a measurable lifespan and efforts to extend it will help but not stop the eventual demise. So the number one thing that you can do to extend the life of any of the newer lithium batteries is always take it out if you are running on DC power to lessen the heat impact. Whenever buying any replacement battery, always check the manufacture date and try to find the newest one available.