Kastar Headset Battery For Plantronics CS50 CS55 CS65 Savi 720 Savi Office WH300 - 240mAh Li-Ion

Heads-up if your Plantronics headset isn't holding charge like it used to.

This Kastar replacement battery fits a bunch of models: CS50, CS55, CS65, Savi 720, Savi Office WH300, and more.

It's a 240mAh lithium-ion battery.\n\nBrand new, made in China.

The MPN is BA-CS50-1.

It's designed to fit those specific Plantronics headsets.

If your battery is dying, this is a cheap fix instead of buying a whole new headset.\n\nKastar makes decent replacement batteries.

Just pop out the old one, pop this in, and you're back to talking.

Chemical composition is Li-Ion, so it's standard for these devices.

Good to have a spare too.