5
Aastra 612d, 622d, 632d and 650c
Precautions during use
• The battery is designed for use with these handsets
only.
• Only use the charger cradle supplied for charging.
• A new battery is not charged so you need to charge
it before using for the first time.
• Using the battery in a cold environment can
shorten the expected operating life of a full charge.
Charge the battery at a location with a temperature
between 10° C and 35° C. Charging outside this
temperature range can lead to a longer-than-usual
charging time or even to failure of the charging
process.
• An extremely short operating time after a full
charge indicates that the lifetime of the battery has
expired. Replace the battery.
• Never wipe the battery with thinners, benzene,
alcohol, or other volatile substances, or chemically
treated cloths. These can cause deformation of the
battery and malfunction.
• If you need to send your handset with an installed
li-ion battery or li-ion batteries separately, make
sure you comply with the applicable laws and
regulations with regard to the shipment of
hazardous goods.
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