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The battery is not fully charged when you buy your phone but there may be enough power in the battery to turn the
phone on. A battery that has not been used for a long period of time needs to be completely discharged and then
recharged two or three times before reaching full capacity.
Note
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The F151 automatically switches off if the battery voltage is too low.
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Batteries have a limited life span. If the battery does not last as long as it used to, the battery may be
coming to the end of its life. Replace the battery with a new one of the same type.
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When not using the battery for a long period remove it from the F151 and store it in a cool dry place.
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Do not leave the phone connected to the charger for extended periods of time eg > 24 hrs.