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original high capacity cylindrical power 50E Rechargeable Battery 30A 21700 5000mah 3.7 v 21700 lithium battery












Changsha BZ-Whooleday Electronic Co., Ltd. is mainly engaged in renewable energy,including 3.7v Lithium ion rechargeable batteries,3.2v Lifepo4 battery cells and packs,custom 24V/48V/72V etc battery packs,Home energy storage system one-stop solution,Portable power station,battery equalizer,Smart BMS.etc.
All of our products with CE/UN38.3/ROHS/MSDS and other necessary certifications, 1-10 years warranty,3-7 days quick delivery,OEM/ODM customized service with low MOQ for wholesalers and distributors.FBA One-Station Service for On-line Shop.
We have many years of experience in export trade and experienced engineer&sales teams with good services and communicate in time.
Our company always adheres to the principle of "quality first and reputation first" to provide users with all kinds of products with quality and quantity.Possess strong production capacity,can be your stable&reliable supplier.bringing light and hope!
Facing the fierce competitive environment, the company's system has been continuously improved, relying on scienceand technology, continuously improving the scientific and technological content of sales products, and creating higher market value for the society.





1.Factory direct supply
We have our own factory and perfect production equipment,with strong production capacity and good wholesale price.





1.What's the MOQ ?
(1) Normally 20pcs can be started,but more quantity with better unit shipping fee.
(2)For logo customized order we need discuss,1000pcs-2000pcs.
2.Can we use our logo on products or packaging?
Completely acceptable, More than 10 years in OEM customized service.
3.What's is your products sample policy?
Sample can be free if you have provide your freight account(sample quantity:1~2piece), Pay by alibaba assurance order or Paypal are both supported for sample.
4.What is the payment of our products?
Payment: Credit card,T/T,Western Union,Paypal,L/C.
e-Checking(ACH), Secure payment
5.How long is your products production?
Regular we can ship the goods out within 2~10days for the normal order,but need to confirm extra the date if it is for mass production.
6.Can you do dropping shipping for me?
Yes,We can do it.
original high capacity cylindrical power 50E Rechargeable Battery 30A 21700 5000mah 3.7 v 21700 lithium battery
New products from manufacturers at wholesale prices