Nokia HS-4W Guide D'utilisation page 18

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B a t t e r y i n f o r m a t i o n
or cold battery may temporarily not work, even when the battery is fully charged.
Batteries' performance is particularly limited in temperatures well below freezing.
Do not dispose of batteries in a fire!
Discard batteries according to local regulations (e.g. recycling). Do not dispose as
household waste.
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