Lithium ion (Li-Ion) Cells can be dangerous if used improperly. By buying Li-ion batteries. The buyer assumes all associated risks.
Always use a battery charger that is rated for Li-ion cells
Batteries should never be left charging unattended
Batteries should never be loose in pocket or purse
Keep lithium batteries away from metallic/magnetic objects.
All lithium batteries have a cycle-life (Usually 300-400 cycles) , however a battery should be replaced every 2 years – whichever comes first.
Never continue to use a battery with a broken PVC wrap. Repair or dispose of immediately.
Never completely discharge batteries
Do not expose to extreme heat