Aastra AT-200HT Owner’s Owner's Manual page 6

of batteries can cause charging, which may result in
leakage or explosion.
9. Remove the batteries from this product if the product will
not be used for a long period of time (several months or
more) since during this time the battery could leak,
damaging in the product.
10. Discard "dead" batteries as soon as possible since "dead"
batteries are more likely to leak in a product.
11. Do not store this product, or the batteries provided with or
identified for use with this product in high-temperature
areas. Batteries that are stored in a freezer or refrigerator
for the purpose of extending shelf life should be protected
from condensation during the storage and defrosting.
Batteries should be stabilized at room temperature prior to
use after cold storage.
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