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2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement

2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement

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2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement 2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement 2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement 2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement 2x 0121147748, BA 370 PX, BA-370PX, BA370 Battery for Sennheiser MM 400 X, 450 X, 500 X, 550 X, PX 210 BT 270mAh Headphone / Headset Battery Replacement
29,95
incl. VAT
Ready for dispatch
Delivery time 1-2 working days
Ready for dispatch
2.95€ postage
Delivery time 1-2 working days
Article Number:
923734
Manufacturer:
CELLONIC
Rating:
(1) (more info)
Weight:
28g
Colour:
Black

Compatibility list

Whether you’re working, gaming or listening to music, this replacement Sennheiser MM 400 X battery for Sennheiser headphones will keep you online and charged for longer.

This CELLONIC® Lithium Polymer high-performance, rechargeable Bluetooth headset battery 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 0121147748, BA 370 PX, BA-370PX, BA370 replacement wireless gaming headset / call centre headset battery, with 100% compatibility for MM 400 X earphones and more.

Long runtime, full compatibility: Sennheiser MM 400 X battery with 270mAh high capacity

100% compatible replacement – Replaces your original Sennheiser 0121147748, BA 370 PX, BA-370PX, BA370 battery
Long battery life, high capacity – 3.7V high conductivity headphone battery, 270mAh high capacity
No capacity loss – thanks to modern Lithium cells without memory effect technology
Fewer charging breaks – less time spent waiting for your headphones to charge 

Proven quality, certified safety: Sennheiser 0121147748, BA 370 PX, BA-370PX, BA370 replacement batteries for up to 1000 charging cycles

Long-lasting, consistent performance – high-quality Lithium Polymer cells for up to 1000 charging cycles
Certified safety – CE & ROHS certified, Grade A battery with short-circuit, overheating and overvoltage protection
Suitable for – sub-zero and high temperatures - particularly weather and temperature resistant
Thorough, comprehensive testing – each battery cell is tested to ensure all safety requirements are met and that it holds and maintains the correct capacity - all before installation 

Replacement 0121147748, BA 370 PX, BA-370PX, BA370 battery for your Sennheiser MM 400 X earphones
Brand: CELLONIC® Headset Replacement Battery
Capacity: 270mAh
Voltage: 3.7V
Cell Technology: Lithium Polymer
Dimensions: 38.40 x 30.70 x 6.60mm
Alternative for / Replaces: Original 0121147748, BA 370 PX, BA-370PX, BA370 battery 

3-Year Guarantee
As an international specialist retailer since 2004, we know what matters when it comes to high-quality replacement headphone, headset & earbud batteries. That's why our replacement Sennheiser batteries come with a 36-month guarantee!

Replaces the following products

Sennheiser 0121147748
Sennheiser BA 370 PX
Sennheiser BA-370PX
Sennheiser BA370

Fits the following devices

Sennheiser 450 TRAVEL
Sennheiser 550 Travel
Sennheiser MM 400
Sennheiser MM 400 X
Sennheiser MM 450
Sennheiser MM 450 X
Sennheiser MM 500 X
Sennheiser MM 550
Sennheiser MM-550 X
Sennheiser PCX 360 BT
Sennheiser PX 210 BT
Sennheiser PX 310 BT
Sennheiser PX 360
Sennheiser PX 360 BT
Sennheiser PXC 310
Sennheiser PXC 310 BT
Sennheiser PXC 360 BT

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