LG TONE Free fit Owner's Manual page 16

Riskoffireorexplosionifthebatteryisreplacedbyanincorrecttype.
Do not store or transport at pressures lower than 11.6 kPa and at above
15,000 m altitude.
Replacement of a battery with an incorrect type that can defeat a
safeguard (for example, in the case of some lithium battery types).
Disposalofabatteryintofireorahotoven,ormechanicallycrushingor
cutting of a battery, may result in an explosion.
Leaving a battery in an extremely high temperature surrounding
environmentthatcanresultinanexplosionortheleakageofflammable
liquid or gas.
A battery subjected to extremely low air pressure may result in an
explosionortheleakageofflammableliquidorgas.
Do not carelessly throw away old batteries. It can cause an explosion or
fire.Thedisposalmethodmayvarybycountryandregion.Disposeofitin
an appropriate manner.
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