CELLONIC® Headphone Battery for Sennheiser Set 840 TV, RS 4200, RI 410, Set 830 TV, Set 840-S, Set 900, RR 840 BA300 BA 300 Battery Replacement 150mAh  ...  more

Whether you’re working, gaming, watching TV or listening to music, this replacement Sennheiser RS 4200, RR 4200, RR 840 battery for headphones will keep you online and charged for longer.

This CELLONIC® Lithium Polymer high-performance, rechargeable Bluetooth headset battery for Sennheiser RR 4200 is the perfect Sennheiser wireless headphone battery replacement, giving you long-term, reliable use – with longer breaks between charges.

Specifically designed for use as a BA300 BA 300 replacement wireless TV listening system battery, with 100% compatibility for RS 4200, RR 4200, RR 840 earphones and many other models.

✔ High-capacity, long battery life – High-quality, high 150mAh capacity, long-life headset battery.
✔ Reliable replacement battery – modern, Lithium cells without memory effect holds its charge over longer periods.
✔ Certified safety and quality – CE & ROHS certified, Grade A BA 300 battery with short-circuit, overheating and overvoltage protection.
✔ Thorough, comprehensive testing – each battery cell is tested for optimum capacity and to ensure all safety requirements are met – all before installation.
✔ Wide compatibility – replacement headphone battery fits a wide range of Sennheiser TV headphones - a perfect Sennheiser HDI 830 battery, Sennheiser RR 840 S battery, HDI 830 battery replacement, Sennheiser EKI 830 battery replacement & many more.

CELLONIC® BA300 Battery Specifications:
Capacity: 150mAh
Voltage: 3.7V
Cell Technology: Lithium Polymer
Dimensions: 25,3 x 32,7 x 8mm
Model: BA 300 / BA300 / 500898 Battery

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