The Sennheiser BA 20 Rechargeable Battery for AVX series systems is designed to power AVX series EKP receivers, offering reliable autonomy and simplified charging via USB. With a capacity of 430 mAh and a voltage of 3.7 V, this lithium-ion polymer (LiPo) battery is compatible with various AVX systems, including the AVX-ME2, AVX-MKE2, AVX-835 and AVX-MMD 42-1.

The compact design (98 x 59 x 29 mm) and low weight of 40 g make the BA 20 ideal for mobile applications such as journalism, videomaking and live productions. Charging is easily done via a micro-USB port, allowing the use of power banks or standard USB ports to keep the device operational on the move. The battery can also be charged while in use, ensuring continuity in recording.

To optimise performance, we recommend using the BA 20 in combination with the Sennheiser L 2015 charger, which supports simultaneous charging of multiple batteries. In summary, the Sennheiser BA 20 is a practical and reliable solution for powering AVX receivers, ensuring high performance in professional environments.