LG Muziq Phone User Manual page 228

In order to avoid damage, charge the battery only in temperatures that
range from 32° F to 113° F (0° C to 45° C).
Don't use the battery charger in direct sunlight or in high humidity
areas, such as the bathroom.
Never dispose of the battery by incineration.
Keep the metal contacts on top of the battery clean.
Don't attempt to disassemble or short-circuit the battery.
The battery may need recharging if it has not been used for a long
period of time.
It's best to replace the battery when it no longer provides acceptable
performance. It can be recharged hundreds of times before it needs
replacing.
Don't store the battery in high temperature areas for long periods of
time. It's best to follow these storage rules:
Less than one month:
-
4° F to 140° F (-20° C to 60° C)
More than one month:
-
4° F to 113° F (-20° C to 45° C)
Disposal of Lithium Polymer Batteries
Do not handle a damaged or leaking Lithium Polymer battery as you can be
burned.
For safe disposal options of your Lithium Polymer batteries, contact your
nearest Sprint authorized service center.
Special Note:
Be sure to dispose of your battery properly. In some areas,
the disposal of batteries in household or business trash may be prohibited.
Section 3A: Important Safety Information 212