| Max Load Quantity(cells) | 1 |
| Battery Type | Solid state |
| Cycle Life | 800 cycles |
| Dimension (L*W*H) | 5.2*21*33 |
| Application | Consumer Electronics, Toys, Portable devices |
| Weight | 6g |
| Operating Temperature(℃) | -20 - 60 |
| Cathode Materials | LiNiMnCoO2 |
| Type | Li-ion Polymer |
| Capacity | 400mAh |
| Voltage | 3.7V |
| Discharge Current | 400mA |
| Charge Current | 200mA |
| Size | 4.1*30.5*36.5mm |
| OEM | NTC, connector, logo |
| Warranty | 12 Months |
| Brand Name | EWT |
| Model Number | 3.7V 250mAh 502030 |
| Place of Origin | Guangdong, China |
| Certification | CE/RoHS/MSDS/UN38.3 |
View Detail Information
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Product Specification
| Max Load Quantity(cells) | 1 | Battery Type | Solid state |
| Cycle Life | 800 cycles | Dimension (L*W*H) | 5.2*21*33 |
| Application | Consumer Electronics, Toys, Portable devices | Weight | 6g |
| Operating Temperature(℃) | -20 - 60 | Cathode Materials | LiNiMnCoO2 |
| Type | Li-ion Polymer | Capacity | 400mAh |
| Voltage | 3.7V | Discharge Current | 400mA |
| Charge Current | 200mA | Size | 4.1*30.5*36.5mm |
| OEM | NTC, connector, logo | Warranty | 12 Months |
| Brand Name | EWT | Model Number | 3.7V 250mAh 502030 |
| Place of Origin | Guangdong, China | Certification | CE/RoHS/MSDS/UN38.3 |
| High Light | Lithium Ion Battery Pack ,3.7V Lithium Ion Battery Pack ,502030 Lithium Ion Battery | ||
| item | value |
| Application | Other |
| Max Load Quantity(cells) | 1 |
| Cycle Life | 800 cycles |
| Model Number | 3.7V 250mAh 502030 |
| Operating Temperature(℃) | -20 - 60 |
| Cathode Materials | Other |
| Brand Name | EWT |
| Battery Type | Solid state |
| Dimension (L*W*H) | - |
| Weight | 20g |
| Place of Origin | China |
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Everwin Tech Co., Limited (shorted as EWT) is a Hi-Tech enterprise established in 2001 in China. We are specialized in the research, design, production and sale of primary lithium batteries (Li-SCLO2, Li-MnO2, and Li-SO2), Lithium Ion batteries, Li-polymer batteries and rechargeable batteries (NiCd and NiMH). Depending on our creative R&D center, production base, and sales and service net, our company has offered customers with excellent products and services.
Products and Application
Our main products include Lithium Thionyl Chloride batteries, batteries which are widely used in Meters, Utility metering - AMR, Security - Alarms, Lighting - Night Vision, Automotive Electronics, Radio Communication, GPS Tracking, Emergency Location Buoys, and Cameras, and lithium ion and lithium polymer battery and battery pack are widely used for Power Tools, Emergency Lighting,solar energy, digital camera, communication system, Cordless Phones, and Toys.
Research and Equipment
Each of our research and development scientists and engineers has over 10 years of experience in battery industry. Equipped with facilities imported from Germany and Japan, our engineers are dedicated to developing new products to meet our customers' demands and specific requirements.
Quality and Certificate
EWT is ISO9001:2008 certified and our products are RoHS compliant. Our products have attained CE and UL certifications. With standard quality, our batteries are selling well in worldwide markets, including Europe, the USA, Australia, Hong Kong, and other countries and regions.
Manufacture and Marketing
We work in day and night shifts to ensure prompt delivery. Our daily output is over 100,000pcs. We have much experience on OEM service. OEM & ODM orders are welcome.
We welcome interested companies to contact us in order to develop long-term and mutually beneficial business relationships. Our qualified staff is ready to deal with your inquiries. We hope to be your loyal and long term business cooperator and partner.
1. who are we?
We are based in Guangdong, China, start from 2009,sell to Western Europe(30.00%),North America(25.00%),Southeast Asia(10.00%),South America(10.00%),Southern Europe(5.00%),Eastern Europe(5.00%),Northern Europe(5.00%),Eastern Asia(5.00%). There are total about 51-100 people in our office.
2. how can we guarantee quality?
Always a pre-production sample before mass production;
Always final Inspection before shipment;
3.what can you buy from us?
Lithium Batteries, Lithium Ion Batteries, Lithium Iron Phosphate Batteries, Nickel Metal Hydride Batteries, Nickel Cadimium Batteries
4. why should you buy from us not from other suppliers?
1. OEM, ODM capability,
2. good technical support
3. fast feedback and delivery
4. engineering sales and services
5 good and stability on quality and a lot of ceritificates:
ISO9001, UL, UN38.3, CE, CB, IEC62133, CE, KC
5. what services can we provide?
Accepted Delivery Terms: FOB,CIF,EXW,Express Delivery;
Accepted Payment Currency: USD,EUR,CAD,HKD,GBP,CNY;
Accepted Payment Type: T/T,L/C,PayPal,Western Union;
Language Spoken: English,Chinese
Company Details
Business Type:
Manufacturer
Year Established:
2006
Total Annual:
25000000-30000000
Employee Number:
250~300
Ecer Certification:
Verified Supplier
Everwin Tech Co., Limited was established in 2009 and is a professional battery manufacturer specializing in reserach design and producing power solutions for all kinds of market . EWT Battery provide ODM, OEM battery solutions for medical, solar lighting, smart metering lo... Everwin Tech Co., Limited was established in 2009 and is a professional battery manufacturer specializing in reserach design and producing power solutions for all kinds of market . EWT Battery provide ODM, OEM battery solutions for medical, solar lighting, smart metering lo...
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