Sennheiser BA 70 Battery Pack - BA-70
Not Available
Currently unavailable
Currently out of stock
This product is not available at the moment. Check back later or explore other options below.
Product Information
Full details
The Sennheiser BA 70 is designed for professional audio engineers and performers using the Evolution Wireless Digital series who require reliable, long-lasting power for their bodypack and handheld transmitters. This rechargeable lithium-ion battery pack provides a significant upgrade from disposable batteries, offering a 12-hour runtime and fast-charging capabilities to keep your equipment running throughout long sessions. While it offers excellent convenience and cost savings over time, users must ensure they have a compatible Sennheiser charging dock to utilize its charging functionality.
All features
| Model Part Number | 508860 |
|---|---|
| Brand | Sennheiser |
Extended Product Information
FAQs
Which transmitters are compatible with the BA 70?
The BA 70 is compatible with Sennheiser Evolution Wireless Digital SK bodypack and SKM-S handheld transmitters.
How long does a full charge take?
A full charge takes approximately three hours using a compatible Sennheiser charging station.
How many hours of use can I expect?
The battery provides a maximum run time of 12 hours on a single full charge.
Can I use a standard USB cable to charge the BA 70?
No, the BA 70 must be charged using an official, compatible Sennheiser charging dock.
What type of battery technology is used?
The BA 70 utilizes rechargeable lithium-ion technology.
Is it possible to charge the battery while inside the transmitter?
Charging depends on your specific transmitter dock configuration; always consult your charger's user manual.
Troubleshooting
Battery does not hold a charge.
Verify that the charging pins on the charger and the battery contacts are clean and free of oxidation.
Transmitter displays low battery warning immediately.
Ensure the battery is fully inserted and the latch is closed; if the issue persists, check if the battery has reached its end-of-life cycle.
Pros and Cons
Pros
- 12-hour continuous battery life
- Rapid three-hour full charge time
- Eliminates reliance on disposable AA batteries
- Tailored fit for Evolution Wireless Digital transmitters
Cons
- Requires specific Sennheiser charging hardware
- Not compatible with older non-digital Sennheiser series
- Higher initial investment than alkaline batteries
Setup, Compatibility & Care
To install the battery, open the battery compartment on your Evolution Wireless Digital transmitter (SK or SKM-S) and insert the BA 70 following the polarity markings. To charge, place the battery into the corresponding Sennheiser charging bay. Ensure the contacts on both the battery and the charger are clean and free of debris for optimal power transfer. It is recommended to store the battery in a cool, dry place when not in use for extended periods and to perform a full charge cycle at least once every six months to maintain cell health.