The Sennheiser BA-2015 Battery Pack powers body pack transmitters and portable recievers of the Evolution Wireless G2 Series and the 2015 FM System.
The Sennheiser BA2015 has two rechargeable AA NiMH cell batteries and a sensor that tells you the battery life status.
Sennheiser Battery packs (code 46132)
Ba2015
£65.35 (inc vat)