Overview
The Sennheiser BA 70 is the lithium rechargeable pack for Evolution Wireless Digital bodypack and handheld transmitters. Swapping AA cells for BA 70 packs keeps running costs down and gives consistent battery metering, which suits churches, schools and corporate rooms running mics every week.
Works with: EW-D SK and SKM-S, EW-DP, EW-DX SK and SKM, and Spectera transmitters.
Highlights
- Rechargeable pack replaces two AA cells
- Fits EW-D, EW-DP, EW-DX and Spectera transmitters
- Charges in the CHG 70N-C or in the transmitter
- Lightweight at 57 g
Specifications
| Capacity | 1.72 Ah |
| Voltage | 3.8 V |
| Weight | 57 g |
| Compatible chargers | CHG 70N-C, CHG 70N, L 6000 (with current firmware) |
| Warranty | 2 years |
Forefront Tip
Buy one spare pack per transmitter and rotate them so every mic starts the service or show on a full charge. Update the charger firmware before mixing in newer BA 70 packs.