Sennheiser | WICOS BA | Instruction manual | Sennheiser WICOS BA Instruction manual Seite 1 Donnerstag, 23. April 2009 3:09 15
WiCOS Battery Pack
Quick guide
A detailed instruction manual for the complete WiCOS conference system can be found:
• on our website at or
• on the CD ROM enclosed with the WiCOS AP access point.
Sennheiser Electronic Corporation
One Enterprise Drive, Old Lyme CT, 06371
532896/A01 Seite 2 Donnerstag, 23. April 2009 3:09 15
Product overview
For an explanation of the operating elements, refer to page 6
Inserting the battery pack
Charging the battery pack
1 Seite 5 Donnerstag, 23. April 2009 3:09 15
Important safety instructions
• Read this quick guide.
• Keep this quick guide. Always include this quick guide when
passing the product on to third parties.
• Heed all warnings and follow all instructions in this quick
• Only clean the product and the charging power supply when
they are not connected to the mains. Use a cloth for
• WARNING: To reduce the risk of fire or electric shock, do not
use the product and the charging power supply near water
and do not expose them to rain or moisture. Do not place
objects filled with liquids, such as vases or coffee cups, on
the product.
• Refer all servicing to qualified service personnel.
Servicing is required if the product or the charging power
supply have been damaged in any way, liquid has been
spilled, objects have fallen inside, the product or the
charging power supply have been exposed to rain or
moisture, do not operate properly or have been dropped.
• Only use the required WiCOS NT-BA charging power supply.
• Unplug the charging power supply from the wall socket,
– to completely disconnect the product from the mains,
– during lightning storms or
– when unused for long periods of time.
• Only operate the charging power supply from the type of
power source specified in the chapter “Specifications” on
the leaflet.
• Ensure that the charging power supply is
– in a safe operating condition and easily accessible,
– properly plugged into the wall socket,
– only operated within the permissible temperature range,
– not covered or exposed to direct sunlight for longer
periods of time in order to prevent heat accumulation
(see “Specifications” on the leaflet).
• Do not block any ventilation openings.
• Install the product and the charging power supply in
accordance with the instructions given in this instruction
• Do not place the product and the charging power supply
near any heat sources such as radiators, stoves, or other
devices (including amplifiers) that produce heat.
• Do not overload wall outlets and extension cables as this
may result in fire and electric shock.
• Only use replacements parts and attachments/accessories
specified by Sennheiser. Unauthorized replacement parts
may result in fire, electric shock, or other hazards.
Safety instructions for the Li-Ion battery pack
If abused or misused, the WiCOS BA battery pack may leak.
In extreme cases, it may even present
a heat hazard,
a fire hazard,
an explosion hazard,
a smoke or gas hazard.
Please understand that Sennheiser does not accept liability for
damage arising from abuse or misuse.
Keep away from
Observe correct
Dispose of the
battery pack at
special collection
points or return it to
your specialist dealer.
Only charge the
battery pack with the
required Sennheiser
Only charge the
battery pack at
ambient temperatures between
10 °C and 40 °C.
Do not mutilate or
Immediately remove
the battery pack
from an obviously
defective device.
Only use the original
Sennheiser battery
Do not pack
charged batteries
loose – danger of
shorting out/fire
Do not short-circuit.
Switch battery
devices off after
When not using the
battery pack for
extended periods
of time, charge it
regularly (about
every 3 months).
Do not heat above
70 °C/158 °F, e.g.
do not expose to
sunlight or throw
into a fire.
Do not continue to
use a defective
battery pack.
When not using the
device for extended
periods of time,
remove the battery
pack from the
Do not expose to
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WiCOS BA Li-Ion battery pack
The WiCOS BA Lithium-Ion battery pack is part of the WiCOS
wireless conference system.
Nominal output voltage
7.2 V
6600 mAh
The WiCOS BA Lithium-Ion battery pack is designed for the
WiCOS D, WiCOS DV, WiCOS C and WiCOS CV conference units.
It offers an operating time of up to 20 hours.
Delivery includes
Charging voltage
15 V to 18 V
Charging current
Charging time
approx. 4 hrs
Operating temperature
32°F to 113°F
approx. 6.69 x 2.95 x 0.98 in.
1 WiCOS BA Lithium-Ion battery pack
1 quick guide
approx. 13.4 oz.
RAL 9011
For charging the WiCOS BA Lithium-Ion battery pack, you
additionally require the WiCOS NT-BA charging power supply
(Cat. No. 502885).
Product overview
For an illustration of the product, refer to page 2 of this quick
Operating element
charging power supply, charges
the battery pack and allows mains
Y Status indicator
displays the charging process and
mains operation
Z Charge status
displays the charge status and the
status of the charging electronics
[ Key
\ Contacts
EN 301489-1/-17
EN 60065
USA: Meets the requirements of the UL 1642 safety standard.
X Socket for charging for connection of the WiCOS NT-BA
power supply
In compliance with
activates the charge status
indicator and the charging
electronics indicator
for connecting the battery pack to
the conference unit
Manufacturer Declarations
Sennheiser electronic GmbH & Co. KG gives a warranty of
24 months on this product.
For the current warranty conditions, please visit our web site
at or contact your Sennheiser partner.
CE Declaration of Conformity
This device is in compliance with the essential requirements and other relevant provisions of Directive
X Socket for charging secures the battery pack against
power supply
inadvertent detachment from the
conference unit
The WiCOS NT-BA allows you to either charge the battery pack
separately or when it is inserted into a WiCOS conference unit.
The conference unit can be operated during the charging
process. A complete charging cycle takes about 4 hours.
The declarations are available at
Before putting the device into operation, please observe the
respective country-specific regulations.
Rechargeable batteries
The supplied rechargeable batteries can be
recycled. Please dispose of them as special waste
or return them to your specialist dealer. In order
to protect the environment, only dispose of
exhausted batteries.
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