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3.7V 140mAh Rechargeable Battery Provides reliable power for compatible Plantronics / Poly wireless headsets during daily office use.
Compatible with CS540 / CS540A Designed as a replacement battery for Plantronics / Poly CS540 and CS540A wireless headsets.
Replaces 84479-01 / 86180-01 / 85Q98AA Suitable as a replacement for commonly used original battery part numbers.
Compact Li-Polymer Design Lightweight rechargeable lithium-polymer battery designed to fit compact wireless headset housings.
2-Pin Connector Features a 2-pin connection for easy installation and reliable electrical contact.
Stable Power Output Delivers consistent voltage for clear communication and dependable headset operation.
Easy to Replace Compact structure makes battery replacement convenient, helping extend the usable life of compatible headsets.
Ideal for Office & Call Center Use Suitable for offices, customer service centers, reception desks, sales teams and other professional communication environments.
Cowon 3.7V 140mAh 84479-01 86180-01 85Q98AA Li Polymer Battery Rechargeable Battery for Poly CS540 CS540A
Description
About Product
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About Us
Established in 2008, Cowon Technology has been focusing on customized battery solutions for global OEM and ODM customers. With more than 16 years of experience in the battery industry, we specialize in the design, development and manufacturing of lithium battery packs tailored to specific device requirements.
Our products are widely used in modern consumer electronics, industrial automation equipment, medical devices, security systems, Internet of Things IoT products, instrumentation, smart retail terminals and power energy storage applications. We provide flexible battery solutions covering different cell types, voltages, capacities, structures and protection systems to meet diverse application needs.
Cowon works closely with customers R and D and engineering teams, offering professional support from concept design, electrical and mechanical integration, sample development to mass production. To date, we have completed over 5000 successful customized projects and delivered more than 100000 battery solutions to customers worldwide. Our technical collaboration has helped customers obtain over 80 national patents, reflecting our strong engineering capability and innovation driven approach.
Quality and reliability are at the core of our operations. We implement strict quality control throughout the entire production process, from material selection and incoming inspection to assembly, testing and final delivery. Our products are designed to meet international standards and are suitable for global market applications.
Today, Cowon Technology has grown into a trusted partner in the customized battery industry, recognized for stable quality, flexible ODM capability, efficient communication and long term customer cooperation. We remain committed to continuous innovation, reliable manufacturing and customer satisfaction, helping our partners bring competitive products to market.
FAQs
Is this Battery GRADE-A, Brand NEW?
It is Grade A, Brand new, the QR code is intact.
Can you test each battery PRIOR to shipping?
We will measure each battery Voltage, Internal Resistance and Capacity before shipping.
Are the batteries come with bus bars and nuts?
This price come with Bus bars and Nuts, each Battery will offer 1 set Bus bar and Nuts (e.g., If buy 4pcs battery, we will send 4pcs cells with 4pcs bus bars and 8pcs nuts). If need extra more please contact us directly.
How about the Warranty?
We offer 5 years warranty for lifepo4 battery, and 3 years for Nmc battery. For damaged due to non-human factors, we will refund or send new battery for replacement after providing pictures or videos for evidence.
Will the package tough enough to protect the cells?
The Battery will be packed in good condition with the thicker PE Foam, then put into the 5 layers drop-resistant carton.
How to proceed an order for lithium ion battery?
We accept Alibaba trade assurance order online. Or you can provide your shipping information to us, we will make the online order for you.
How can I do if I need more help for the order?
You can chat our sales online or send inquiry email, our Sales Team will reply to you ASAP
Which shipping method you usually take?
Train/Sea DDP, Express, We can also ship with your own shipping agent.
