Operation Manual

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4.5 Care and Maintenance of the Battery
This device is powered by a lithium battery. Please choose the
batteries and chargers designated by manufacturer.
♦ In order extend the lifetime of the battery, please charge the
battery for at least 8 hours at the firt time when the batter is low
power.
♦ Please disconnect the charge with the power when it is idle. Do
not connect the battery with the charger longer than 1 week.
Overly charging will reduce the lifetime of the battery. Do not
use any damaged charger or battery.
♦ The battery will discharge after a certain time if a fully charged
battery is not in use.
♦ The battery can be charged and discharged hundreds of times,
but it will eventually wear out. When the talk and standby times