270 mAh A battery's capacity is indicated in the unit milliampere-hour (mAh). The higher the amount of mAh, the longer your battery can be used after every charge before it is empty again. So it does not matter if the mAh amount matches your original battery or not.
3.7V This battery can be used as a replacement for your current battery with a voltage of 3.6V, 3.7V, 3.8V or 3,85V
38 x 31 x 7 (mm)
12 month warranty
Ira Carmichael rated us:
I was having a hard time finding a battery for my Bluetooth Senheisser Headphones so appreciated that your company had them available.
About the product:
The product is performing as expected. I am hoping that this product has a better lifespan than the original and other replacements that I have found online. Time will tell. I use this headset on a daily basis and was getting 3 months out of batteries before they stopped charging.
Janet Dawson-King rated us:
Contact was good, but the shipping was slow with no tracking information to see where the package was in transit. The price was reasonable, but almost 3 weeks after ordering I was worried my item had got lost.
About the product:
Good replacement battery for the Sennheiser original. Once charged up, it’s working fine.
The 270 mAh 3.7 V battery (Black) comes with 12 months warranty. Besides this, we offer a unique 30-day money back guarantee: in case you are not satisfied with the product, for whatever the reason, you can always return it and get your money back.
Quality and safety
This 270 mAh 3.7 V battery (Black) contains advanced technical components and has been tested according to strict CE safety standards. The 270 mAh 3.7 V battery contains a chip that prevents overcharging and short-circuiting. Next to this, the 270 mAh 3.7 V battery is made from high quality cells that do not suffer from a so-called 'memory effect'.
The 270 mAh 3.7 V battery is factory fast. Batteries lose performance over their lifetime, even when they are not used. Many importers and resellers store their batteries in stock for a long time before they are sold. BatteryUpgrade.com makes sure that the ordered battery can be shipped directly after production by working together with the manufacturers. So you can be sure that you will get a brand new high quality battery!
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