Sennheiser BA 70 Rechargeable Battery Pack for EW-D Transmitters

The Sennheiser BA 70 rechargeable lithium-ion battery pack powers your EW-D SK bodypack and EW-D SKM-S handheld transmitters with up to 12 hours of continuous operation. With its 1720 mAh capacity and efficient design, the BA 70 replaces standard AA batteries, offering longer usage time and consistent reliability for your audio needs. It fully charges in about three hours with the compatible L70 USB dual-charging station (sold separately), making it easy to keep your gear ready for extended sessions. Built for versatility, this compact, lightweight battery maintains performance in temperatures from 14°F to 131°F, making it ideal for a variety of demanding environments.

Highlights

• Lithium-ion battery with 1720 mAh capacity
• Up to 12 hours of continuous operation
• Compatible with EW-D SK and SKM-S transmitters
• Charges in approximately 3 hours with the L70 USB charger
• Reliable performance across a wide temperature range (14°F to 131°F)
• Compact dimensions: 2.1 x 1.2 x 0.6 inches; weight: 1.2 oz