Email us your buying request specifying the item, qty and other details.
Choose your payment method, shipping method
A PI will be made to you for your confirmation.
Make payment to our offical account.
Payment confirmed, and order will be arranged to the factory.
2. Delivery Time
Normally the delivery time is 7-15 working days. If there would be any delay on the order, we'll keep you informed.
3. OEM/ODM Service Available or Not
Yes, we accept OEM/OEM. We have our own design department, engineers to offer professional OEM/ODM service.
The warranty for batteries is 12 months
China best BSY 18650 3500 li-ion battery 3.7v 30A
Shenzhen BaiSiYu TECHNOLOGY CO., LIMITED, established in 2009, is a professional battery supplier in Shenzhen, China, with around 50 employees and a factory area of above 1500 square meters.
We focus on designing, researching and developing, manufacturing and selling batteries, chargers, ecig mods, atomizers, ego case and so on.
Our main products are flashlight battery, chargers, battery packs in all fields such as e-bike, power tools, GPS, lighting and so forth. OEM/ODM orders are available with short delivery time.
With two experienced production lines who specialized in lithium ion batteries in more than 12 years and a professional sales team, together with strict Q/C procedure and relevant certifications such as ISO9001:2008, CB, CE and RoHS, our main markets expand with high speed including national market and foreign markets in Europe, America, Australia and Asia, etc.
Packaging & Shipping
Paypal, T/T, Western Union , If you prefer other payment method, please let me know.