The BA 20 Recharging Battery Pack from Sennheiser is for the AVX EKP digital wireless system. It is compatible with the AVX-ME 2, the AVX-MK 2, the AVX-835 and the AVX-MMD 42-1 systems.

Battery

Battery ChemistryLithium-Ion Polymer (LiPo)

Capacity430 mAh

Output Voltage3.7 VDC

Physical

WeightNot Specified by Manufacturer

Packaging Info

Package Weight0.09 lb

Box Dimensions (LxWxH)4 x 3.6 x 1.2"

• For Sennheiser Wireless AVX Systems
• 3.6V Output Voltage
• Uses a standard USB Power Supply/Charger
• Charges via USB Port on Computer
• Fully Charges Under 2 Hours