Manufacturing & Quality Control
Specialized in lithium battery and charger for over 17 years. Our lithium batteries and chargers have passed many international testing protocols, including CE, RoHs, UN38.3, MSDS, etc. We are a direct distributor of brand batteries, ensuring the best price and guaranteeing 100% original battery quality. We have cooperated with numerous large distributors and companies in many countries, including the USA, CA, UK, France, Italy, and more. We possess full experience to serve your needs. OEM/ODM customized services are fully available.
Tips: If you are interested in our products, please specify your requirements such as voltage, capacity, shape, size, working current, etc. We can customize the battery according to your needs and offer you samples to test quality.
Customer Service:
- OEM & ODM services are available.
- For orders up to 1000pcs, the sample fee can be refunded.
Our Promise:
- All products will be 100% tested before shipment to ensure zero quality issues.
- We guarantee a warranty within 12 months from the date of receipt, excluding man-made damage. If there is any quality problem, we will provide a return service.
FAQ
What's the main product line?
Rechargeable batteries, including Li-ion, Lipo batteries, and power battery packs.
What is overcharge testing?
After charge, the batteries' initial state and capacity are tested. The battery is charged to 10.0V at 3C current, then charged to 0.01C at CV mode. The battery appearance is observed for any changes.
What is over discharge testing?
After charge, the batteries' initial state is tested. When the batteries are normal, they are discharged to 0V at 0.5C, and changes in the battery appearance are observed.
Can I place a sample order?
Yes, we accept sample orders to test and check quality. Batteries can be customized as required.
What is the lead time for orders?
Samples take 5-7 business days. Mass production takes 25-30 days, depending on the order quantity.
What about after-sale service?
We offer a 1-year guarantee. If there are any performance or manufacturing problems, please inform us, and we will offer positive solutions.
Nuwon Energy
