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 Chemistry||Lithium-Ion Polymer (LiPo)|
|Battery Capacity||430 mAh|
|Output Voltage||3.7 VDC|
|Weight||Not Specified by Manufacturer|
|Package Weight||0.09 lb|
|Box Dimensions (LxWxH)||4 x 3.6 x 1.2"|