Sennheiser 2020 manual Charging the rechargeable batteries

Charging the rechargeable batteries

Caution! y Only use the charging case for charging the SK 2020 D transmitter, the HDE 2020 D stethoset receivers

and the BA 2015 accupack.

yNever try to charge other rechargeable batteries or non-rechargeable batteries.

	Charging the BA 2015 accupack
	For charging, the BA 2015 accupack can remain in the
	transmitter.
	Place the transmitter with the accupack inserted
	into the charging compartment for accupack/
	transmitter	as shown in the diagram on the left.
	(Alternatively, you can remove the accupack from
	the transmitter and insert it into the charging
	compartment on its own – both charging compart-
	ments are identical and can charge the occupied
	either in or out of the transmitter.)
	When placed into a charging compartment, the
	transmitter automatically switches off. The red LED
￿	CHARGE	of the charging compartment lights up.

Charging a completely discharged accupack takes approx. 3½ hours at room temperature. It is normal for the accupacks to get hot during charging.

However, the charging process may take longer if:

ythe accupack is deep-discharged and first has to be reconditioned by a deep discharge recovery charge,

ythe ambient temperature is close to or over 40 °C, since, in order to protect the accupack, the charging process will be interrupted until the temperature has dropped to a safe level.

After the accupack has been fully charged, the green

LED READY lights up.

Notes:

yFor safety reasons, each charging process will be interrupted after 4 hours.

yWhen not using the BA 2015 accupack for extended periods of time, charge it about every three to six months.

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