Palm Sprint Treo 755P Getting Started Manual page 116

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-Ion (Li-Ion) Batteries
Do not handle a damaged or leaking li-ion battery; you can be burned.
For safe disposal options of your li-ion 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.
110 Safety