Siemens miniTek User Manual page 13

WARNING
Risk of explosion when the rechargeable battery
is handled wrong.
Do not short circuit, pierce, crush or
disassemble the rechargeable battery.
Prior to return the battery for recycling, tape
the electrodes to prevent short circuit, which
may cause the battery to explode.
Do not place it in oven or fire.
Do not immerse it in water.
Charge the rechargeable battery between
0ºC and 45ºC.
WARNING
Note that any unauthorized changes to the
product may cause damage to the product or
cause injury.
Use only approved parts and accessories.
Ask your Hearing Care Professional for support.
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