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18. Environmental conditions
The product is designed such that it functions without
problems or restrictions if used as intended, unless
otherwise noted in these user guides.
Please ensure to use, charge, transport and store the
hearing aid according to the following conditions:
Hearing aids:
Charging and
operating
Transport Storage
Temperature
Maximum
range
+5 to +40 °C
(+41 to +104 °F)
-20 to +60 °C
(-4 to +140 °F)
-20 to +60 °C
(-4 to +140 °F)
Humidity
(non condensing)
0% to 85% 0% to 93% 0% to 93%
Atmospheric
pressure
500 to 1060 hPa 500 to 1060 hPa 500 to 1060 hPa
Temperature and humidity shall not exceed the ranges
described in the table above for extended periods of time
during transport and storage.
Prolonged storage at temperatures lower than 10 °C and
higher than 30 °C may negatively aect the battery
performance of the product.