The Sennheiser BA 30 is a rechargeable lithium-ion battery pack (3.7V, 2030 mAh capacity) designed as a direct replacement for 2x AA batteries in evolution wireless D1 SK, SpeechLine Digital Wireless SL bodypack DW, and AVX SK bodypack transmitters.
Features
Dimensions: 98 x 59 x 29 mm; lightweight at 83g for extended all-day shoots.
Performance: Stable 3.7V output eliminates voltage sag issues common with AA rechargeables; up to 12 hours runtime.
Charging: Via L 2015/L 60/L 6000 stations (compatible with LA 2 handheld adapters).
