L60 charger for the 9000 series BA 61 battery packs.


Simultaneous charging of up to two BA 61 batterypacks. Up to four chargers can be cascaded together.


- Input voltage 12 to 15 V

- Input current max. 900 mA

- Pin assignment of DC input hollow jack socket

- Charging voltage max. 4.2 V

- Charging current max. 2 x 1,000 mA

- Charging principle: 

        - CC CV method (Li-Ion charging method) 

        - Deep discharge recovery charge 

        - Capacity monitoring 

        - Accupack temperature monitoring 

        - Over/undercharge detection 

        - Charging time limit (approx. 8 hours)

- Compatible Sennheiser accupacks: 

        - BA 60 (3.7 V, 1,600 mAh, Li-Ion) 

        - BA 61 (3.7 V, 2,030 mAh, Li-Ion)

- Charging time with a completely discharged accupack and at room temperature (approx. 20 °C/68° F): 

        - 100 % = approx. 180 min 

        - 70 % = approx. 60 min 

        - Automatic security switch-off after approx. 8 hours

- Dimensions approx. 80 x 87 x 62 mm (W x D x H)

- Weight approx. 160 g (without mains unit)