1. Repair Focused Battery Solution - Suitable for replacing aged damaged or low runtime batteries in D300 series POS equipment.
2. 4900mAh Rated Capacity - Delivers 18.62Wh rated energy with 5000mAh typical capacity for professional payment terminal use.
3. Durable Black Housing - Solid external casing helps protect the internal battery assembly during installation and normal operation.
4. Clear Polarity Identification - Printed terminal markings assist technicians with correct battery positioning and connection checking.
5. Pre Shipment Quality Inspection - Voltage appearance contact condition and basic battery performance can be checked before delivery.
6. Custom Labeling Service - OEM and ODM labeling packaging barcode and private brand requirements can be supported for project orders.
7. Efficient Order Fulfillment - Sample orders and repeat purchases can be arranged with practical production and shipping support. 8. Distributor Supply Support - Suitable for POS spare parts suppliers maintenance centers service companies and equipment distributors.
Cowon 3.8V 5000mAh Rechargeable POS Battery F50051MA Compatible with Maxpay D300 KOZEN P14 D300 Payment Terminal
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
Can you help check which battery model I need?
Yes. Please send us your original battery photo, device model or sample. We will help check the suitable battery structure.
Do you support OEM / ODM orders?
Yes. We support OEM / ODM battery assembly, including battery structure, solder tabs, wires, connectors, labels and packaging.
Can you make our brand label or packaging?
Yes. OEM label, neutral label, customized box and carton label are available.
Can I order samples first?
Yes. Sample orders are welcome for compatibility testing.
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.