The BA 10 from Sennheiser is a rechargeable battery pack for the evolution wireless SKM D1 or AVX Handheld Transmitter (sold separately). It can be used to replace the two AA size batteries that power the transmitter-unit. The BA 10 uses a lithium-ion 3.7V rechargeable battery.

For SKM D1 or AVX Handheld Transmitter    Replaces Two AA Batteries    Lithium-Ion Rechargeable Battery

Related Questions and Answers

Q: 1. charged your batteries nikon message CHRI charged your batteries and my camera says they need to be charged?

A: These batteries unfortunately are not the best quality and I would recommend either going with the Watson options or the OE battery.

Q: 2. Compatible with G9?

A: This battery would be compatible with the Lumix DC-G9 camera.

Q: 3. How are they used if the positive and the negative are opposite?

A: The BA 2015 is used instead of two standard AA batteries. It inserts into the battery compartment on the transmitter or receiver in the same way as with standard batteries.

Q: 4. Are the NiMH cells simply rechargeable AA cells? And can they be swapped out for higher capacity rechargeable AA cells?

A: They are a proprietary battery pack from Sennheiser made for the G2 and G3 wireless systems. They are not intended for higher capacity rechargeable AA cells.

Q: 5. Will this charger work with the BA 20 batteries by Sennheiser?

A: No, the Sennheiser L 70 USB Charger is not compatible for use with the Sennheiser BA 20 Recharging Battery Pack for AVX EKP. The BA 20 charges via USB either using a wall charger, USB battery pack, or connection to a USB port on a computer or other charging device. The L 70 USB Charger is compatible with BA 70 Recharging Battery Packs.

Q: 6. Do the same battery packs fit the handheld and body pack units in the G3 100 series?

A: Yes they do: the Sennheiser BA 2015G2 is a rechargeable battery pack for the Sennheiser G2 and G3 series wireless systems (transmitter and receiver).

Q: 7. How many hours do you get out of the Sennheiser BA 30 Rechargeable Battery Pack?

A: 12 hours, based on my own experience.Don't know what Sennheiser says.

Q: 8. Is there a way to charge the BA 10 other than the CHG 2?

A: I'm using micro USB to charge these batteries, no problem

Q: 9. The charger has a USB plug which plug into a USB power source brick, such as an Apple iPhone 5 volt, 1 Amp charger. Is there any benefit or danger of using a power brick with an amperage greater than 1 Amp? Thank you.

A: It is safer to use a USB power brick that no greater than 1 amp with the charger in this Surefire kit.

Q: 10. Will this charger charge both the transmitter and receiver batteries?

A: All of the batteries charge with a micro usb cable.