Lithium Ion Lithium Charger Battery Original 3.7V VTC6A 21700
4000mah Li-Ion Battery
Product Description
Battery name | 21700 cylindrical lithium ion battery |
Battery Model | INR21700 |
Battery specifications | 21 * 70 (mm) |
Battery material | Li-ion Lithium Ion Battery |
Battery voltage | 3.7V |
Max. charge voltage | 4.25V |
Instantaneous discharge current | 60A |
Continuous discharge current | 30A |
Battery internal resistance | <10mΩ |
Nominal capacity | 4000mAh |
Charging temperature | 0 ~ +60 ° C |
Discharge temperature | -20 ~ +60 ° C |
Battery characteristics | large discharge current and high capacity. |
Battery weight | 71±1.5g |
Charging and discharging standard | more than 500-1000 times |
Charging cut-off voltage | 4.2v |
Discharge cut-off voltage | 2.5V |
High Quality:
* 100% pre-tested before leaving the factory
* Specialized manufacturer with more than 10-years experience
* Excellent customer service and technical support * Strict quality
control system and professional R&D department.
Sample Policy:
*We support sample services.
*New sample as per requests:
The sample is specially made as per your request. And the charges
will be collected based on practical expense accordingly.
*Sample lead time: Ready sample in stock will be sent out within
1-2 days. New sample will be sent out within 7 days upon confirming
the deposit and artwork.
*Freight: Freight charge collected.
*How to order:
1.Send Inquiry-Professional.
2.Confirm the price, lead time, payment term etc.
3.Customer make the payment for deposit and send us Bank slip.
4.Initial Production Stage-Inform the clients that we have got the
payment,And will make the samples according to your request, send
you photos or Samples to get your approval. After approval, we
inform that we will arrange the production & inform the estimated
time.
5.When mass goods production finished, products photos and samples
will sent to you for approval. You can also arrange the third party
Inspection .
6.Clients make payment for balance and we Ship the goods.
7.Order can be say “finish” when you receive the goods and satisfy
with them .
8.Feedback to US about Quality , Service, Market Feedback &
Suggestion. And we will do better.
Company Profile
Our Advantages
Package & Shipment
Baidun, we are an enterprise integrating design, development,
production and sales. Focus on Lifepo4 battery for 12 years. The
main products are lithium iron phosphate batteries for solar energy
storage systems, lithium titanate batteries, ternary lithium
batteries, battery packs, portable power supplies, household energy
storage, commercial off-grid energy storage and solar system
chargers.
The product application covers the three major fields of "power,
consumption and energy storage". Widely used in: various electric
vehicles, photovoltaic energy storage, household energy storage,
signal systems, emergency lighting systems, security systems,
communication equipment, solar and wind energy storage systems,
backup power supply for fire equipment, UPS (uninterruptible power
supply), outdoor Lighting, portable digital products and other
industries.
We always adhere to the business philosophy of high safety, high
quality and environmental protection as our core values. Provide
customers with the best overall power solutions, OEM/ODM services
and comprehensive after-sales support to meet the different needs
of customers! Integrity and professionalism, this is also our
responsibility!
Baidun, always here, is your sincere partner for the success of
your career!
FAQ
1. Where is the main market of BAIDUN?
With many years of experience, we work with many clients all over
the world. Mainly from the top 3 markets are North America, Europe
and Asia, with a few other countries.
2. How to calculate the shipping cost?
Please contact us before placing an order, we will calculate the
specific shipping cost according to different countries, different
zip codes and different order weights. We will provide you with the
best shipping methods and accurate shipping rates.
3. What can you buy from us?
Lithium battery, battery pack, charger, photovoltaic off-grid
energy storage system
4. The battery is so heavy, is it easy to break on the road?
This is also a matter of great concern to us. After a long period
of improvement and validation, our packaging is now very safe and
reliable. When you open the package, you will definitely feel our
sincerity.
5. What services can we provide?
Accepted delivery conditions: FOB, EXW;
Accepted payment currencies: USD, EUR, JPY, CAD, AUD, HKD, GBP,
CNY, CHF;
Accepted Payment Types: T/T, L/C, Credit Card, PayPal, Western
Union, Cash;
Language: 19 languages
6. The delivery time set by your system is 15 days, do I really
need to wait that long?
No, if it's not a custom order, we usually ship it out within 7
business days.
We provide one-stop battery power solutions, including cell
selection, battery pack design, PCM/BMS design, battery pack
assembly, OEM packaging and after-sales service.
Customer first
24-hour online service to solve any order problems for you!
