Key Specifications

Product Model

Sennheiser BA 70

Product Type

• Rechargeable Li-Ion Battery Pack
• Profile: High-Performance Power for Evolution Wireless Digital (EW-D)

Technical Performance

Power Details

• Chemistry: Lithium-Ion
• Capacity: 1720 mAh
• Nominal Voltage: 3.8 V
• Charge Voltage: 4.35 V (Max)

Charging & Efficiency

Operational Specs

• Charge Time: ~3 Hours (at Room Temperature)
• Transmitter Runtime: Up to 12 Hours (System Dependent)
• Charging Temp: 32 to 131°F / 0 to 55°C
• Discharge Temp: 14 to 131°F / -10 to 55°C

Physical Build & Dimensions

Structural Details

• Dimensions: 2.1 x 1.2 x 0.6" / 54 x 30 x 15 mm
• Net Weight: 1.2 oz / 33 g
• Environmental: 25 to 95% Humidity (Non-Condensing)

Physical Specifications

Handling & Storage

• Storage Temp: 14 to 113°F / -10 to 45°C
• Package Weight: 0.12 lb
• Box Dimensions: 3 x 2.45 x 1.4"