Sennheiser BA 70 – Professional Rechargeable Battery for Evolution Wireless Digital Systems The Sennheiser BA 70 rechargeable battery is a reliable, multi-use power source designed specifically for transmitters from the Evolution Wireless Digital series. This model is compatible with both the EW-D SK bodypack and the EW-D SKM-S handheld transmitter, ensuring stable operation throughout performances or presentations. With specifications of 3.8 V and a capacity of 1.72 Ah, the battery guarantees extended runtime, while its compact design fits perfectly into the battery compartment of Sennheiser transmitters. This solution is created for professionals who demand the highest quality and complete reliability from their audio equipment. By choosing an original Sennheiser battery, you can be confident that your microphone system will operate flawlessly in any situation. Product Features Lithium-ion rechargeable battery – an eco-friendly and economical alternative to single-use batteries, allowing you to save time and money. 3.8 V voltage and 1.72 Ah capacity ensure stable power supply for extended periods, even during the most demanding events. Full compatibility with the EW-D SK bodypack transmitter and the EW-D SKM-S handheld transmitter from the Evolution Wireless Digital series guarantees seamless integration and immediate readiness for use. Robust construction and high-quality materials ensure durability even under intensive stage use, making this battery an excellent choice for professional musicians, sound engineers, and anyone who relies on their audio equipment every day. Reliable Power for Your Stage In the world of professional audio transmission, there is no room for chance – every link in the chain must operate without fault. The Sennheiser BA 70 battery is the element that ensures the continuity of your microphone system. Thanks to its rechargeable technology, you can enjoy full performance over hundreds of charge cycles, which translates into real savings and a reduced environmental impact in the long run. This solution will be appreciated by both sound engineers working at large events and lecturers delivering daily presentations or training sessions. The BA 70 battery was designed with demanding users in mind who cannot afford equipment failure at a critical moment. Every detail – from the materials used to the precise fit within the battery compartment – has been carefully considered to ensure trouble-free operation. Simply insert the battery into the transmitter and enjoy stable power throughout the event. Moreover, the battery can be recharged multiple times, making it an extremely practical and convenient solution for daily use. You no longer need to worry about having a supply of single-use batteries – simply keep a spare BA 70 battery on hand, which you can swap out at any time. This ensures that your performances, presentations, and recordings proceed smoothly, allowing you to focus fully on your work and creativity. It is also worth highlighting that the BA 70 battery is designed to work with the battery status monitoring system in EW-D transmitters. This way, you always know how much energy remains and can plan the battery swap at a convenient time. This is another example of Sennheiser's attention to user comfort and safety in professional wireless systems. With this solution, you can fully control energy consumption and avoid unpleasant surprises during important events. Applications Live performances – concerts, recitals, and stage events where reliability and freedom of movement are crucial. Conferences and business presentations – long speeches require stable power that won't fail during the address. Studio and field recordings – work in the field and in the studio, where full mobility and operational certainty are required. Education and training – lectures, workshops, and classes where the lecturer moves freely around the room. Television and film productions – film sets require reliable equipment that won't fail at a critical moment.

Detailed Technical Specifications Voltage: 3.8 V Capacity: 1.72 Ah Type: Rechargeable battery Compatibility: EW-D SK bodypack transmitter, EW-D SKM-S handheld transmitter Item number: 508860 Manufacturer: Sennheiser Compatible series: Evolution Wireless Digital Materials and Construction Sennheiser is a brand that has set industry standards in audio for decades, and the BA 70 battery fits perfectly into this tradition. The product is made from high-quality materials that ensure resistance to mechanical damage and stable operation in various conditions. The compact housing fits perfectly into EW-D series transmitters, and precise contacts guarantee reliable electrical connection. Thanks to its thoughtful design, the battery is lightweight and portable, which does not burden the transmitter or affect user comfort. The build quality is of the highest level, which is characteristic of products from this renowned German manufac...