The XL-B2 from Sound Devices is a 7.4-Volt Lithium Ion Rechargeable Battery (Sony L-Mount) 5200 mAh.
Sound Devices XL-B2 Features
- 7.4 V Lithium-Ion Battery
- Rechargeable
- XL-B2 7.4-Volt Lithium Ion Rechargeable Battery1
- CompatibilitySony L-Mounts (not included)