Battery for Plantronics CS520, CS510, CS351, CS55, W720, C65, HL10, W710, Savi 720, Savi 710, Savi 420 65358-01,64399-03 (240mAh, 3.7V) from CELLONIC  ...  more

Whether you’re working, gaming or listening to music, this replacement Plantronics CS520 battery for Plantronics headphones will keep you online and charged for longer.

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

Specifically designed for use as a 65358-01,64399-03 replacement wireless gaming headset / call centre headset battery, with 100% compatibility for CS520 earphones and more.

Long runtime, full compatibility: Plantronics CS520 battery with 240mAh high capacity

✔ 100% compatible replacement – Replaces your original Plantronics 65358-01,64399-03 battery
✔ Long battery life, high capacity – 3.6V - 3.7V high conductivity headphone battery, 240mAh 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: Plantronics 65358-01,64399-03 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 65358-01,64399-03 battery for your Plantronics CS520 earphones
Brand: CELLONIC Headset Replacement Battery
Capacity: 240mAh
Voltage: 3.6V - 3.7V
Cell Technology: Lithium Polymer
Dimensions: 35,4 x 21,1 x 4,5mm
Alternative for / Replaces: Original 65358-01,64399-03 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 Plantronics batteries come with a 36-month guarantee!