Safety instructions

Intended use

Intended use includes:

•having read this instruction manual, especially the chapter “Safety instructions” on page 2,

•using the devices within the operating conditions and limitations described in this instruction manual.

“Improper use” means using the devices other than as described in this instruction manual, or under operating conditions which differ from those described herein.

Safety instructions for the Lithium-Polymer rechargeable battery

The BA 300 is a Lithium-Polymer rechargeable battery. If abused or misused, this rechargeable battery may be damaged. Please understand that Sennheiser does not accept liability for damage arising from abuse or misuse.

WARNING! In extreme cases, the rechargeable battery may even present a

• heat hazard,

• fire hazard,

•explosion hazard,

•smoke and gas hazard.

Do not heat above 70°C/158°F, e.g. do not expose to sunlight or throw into a fire.

Do not expose to moisture.

Do not short-circuit.

Do not mutilate or dismantle.

!Store the devices/ rechargeable batteries in a cool and dry place at room temperature.

Only charge rechargeable batteries with the appropriate Sennheiser chargers.

When not using the rechargeable battery for extended periods of time, charge it regularly (every six months for about one hour).

Only charge rechargeable batteries at ambient temperatures between 10°C/ 50°F and 40°C/104°F.

Do not charge the rechargeable battery if the device is obviously defective.

Return defective devices or devices with defective rechargeable batteries to your specialist dealer.

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