Power
Device design considerations: charging and discharging the battery
When working with any rechargeable battery extreme care must be taken when charging any chemistry.
A wrong charging profile or charge voltage and you can at best reduce the useful life of a battery and at worst completely destroy the device.
This video will cover how Texas Instruments charges its batteries, the benefits of accurate charging, the consequences of careless charging and how low leakage chargers and bucks allow you to use your devices longer.