Cautions For Use And Storage Of The Battery - Epson TM-P20 Technical Reference Manual

Cautions for Use and Storage of the Battery

 Do not pull or push the battery hook forcefully.
 Keep the battery terminals clean, so that no dirt or foreign material becomes attached.
 When cleaning the battery, do not use any solvents, such as alcohol, benzine, or thinner. Doing so
CAUTION
may deform or damage the plastic sections. Wipe off any dirt using a dry cloth.
 The battery slowly loses power while it is not being used.
 When charging the battery, charge it in an environment that is between 10°C and 30°C.
 To prevent deterioration in the battery performance, avoid direct sunlight, high temperatures, and
high humidity, and store it in a cool location (around 20°C).
 If storing it for a long period of time, remove it from the printer or battery charger. Also, to prevent
deterioration in its performance, we recommend that you charge it approximately once per year.
Guide for charging: Battery charge status Level L
For details about the charge level, refer to the printer's User's Manual.
 If the battery life is remarkably short, the battery may have expired. Replace it with a new battery.
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