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Sennheiser BA 70 Battery

Brand: Sennheiser

Product code: 1298517

New

Sennheiser BA 70 Battery

Brand: Sennheiser

Product code: 1298517

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The Sennheiser BA 70 is a rechargeable battery pack built for Evolution Wireless Digital bodypack and handheld transmitters. It replaces disposable batteries, offering steady power for professional wireless systems. Reduce operational costs and waste with the rechargeable design. Enjoy up to 10 hours and 52 minutes of continuous runtime on a...

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Sennheiser BA 70 Battery

Reduce operational costs and waste with the rechargeable design.
Enjoy up to 10 hours and 52 minutes of continuous runtime on a single charge—tested in real-world conditions.
Compatible directly with Sennheiser's EW-D series transmitters.
At only 57 g, this accessory is ideal for mobile setups and stage work thanks to its light and compact build.

Sennheiser BA 70 Battery Pack: Reliable Power for Wireless Systems

The Sennheiser BA 70 rechargeable battery pack is engineered to supply dependable, long-lasting power for Evolution Wireless Digital bodypack and handheld transmitters. Users are freed from the hassle and expense of disposable batteries, so wireless systems stay ready for performances, events, or presentations. As a dedicated accessory, the BA 70 pairs trusted Sennheiser engineering with sustainability for professional audio workflows.

Standout Features for Wireless Convenience

Notable is the BA 70's lithium-ion rechargeable design, delivering extended operation time and quick recharging when used with the Sennheiser L 70 USB charger or EW-D charging sets. Its form factor enables a perfect fit and seamless function with EW-D transmitters.

Core Parameters — What Matters for Wireless Performance

Reliable battery function is vital for wireless microphones in demanding environments—whether at live events or in houses of worship. Hundreds of recharges are possible, providing consistent output and making this model a smart upgrade from single-use batteries.

Battery capacity: 1.72 Ah — supports lengthy sessions without pause
Voltage: 3.8 V — matches Sennheiser transmitter requirements
Runtime: 10 hours 52 minutes — confirmed by hands-on video testing
Product weight: 57 g — remains comfortable for on-body use
Compact dimensions of 54 × 30 × 15 mm mean easy installation and unobtrusive operation in your wireless rig.