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This 21700 4000 mA lithium battery has a real capacity and a real discharge rate, and has a high discharge rate, which can meet the needs of customers for high current and durability at the same time, it is a rare original imported product.
Product Description
Product Name | 21700 4000 mah 35A |
Material | Steel shell/lithium battery |
Function | |
Package |
Product performance description
Product Usage
Product usage introduction
The 40t battery can not only be directly used on electronic cigarette, flashlight and other products, but also can be used on electric tools, model airplane, balance car and other products by forming battery packs of different sizes, with a very wide range of application, the original product is safe and of guaranteed quality, and it is a very high quality and very popular lithium battery product.
Why Choose Us
Company Introduction
Founded in 2009, Billion Electronic has provided batteries and power solutions to Original Equipment Manufacturers in leadingfirms all over the world. Top companies in industries such as enterprise storage, telecom, test and measurement, medical,military, metering, and global positioning rely on Billion Electronic to bring our expertise to their applications, yielding thebest power solution possible for their products.
Billion Electronic core team members of R&D Department , who once served the domestic and foreign well-known lithium electricitycompanies, have over ten-year experience of lithium batteries. Billion Electronic R&D technical center has full-featuredepartments, including Project Department, Material Research Department, Process Department, PACK Research Department, IE LeanProduction Department and other core departments. Billion Electronic has been equipped with advanced testing equipment both athome and abroad. Billion Electronic has won several national invention patents and has awarded the national high-tech enterprise.What's more, it has become one of the drafters of the standards of lithium batteries to the intelligent and wearable devices inGuang-dong Province.
Billion Electronic core team members of R&D Department , who once served the domestic and foreign well-known lithium electricitycompanies, have over ten-year experience of lithium batteries. Billion Electronic R&D technical center has full-featuredepartments, including Project Department, Material Research Department, Process Department, PACK Research Department, IE LeanProduction Department and other core departments. Billion Electronic has been equipped with advanced testing equipment both athome and abroad. Billion Electronic has won several national invention patents and has awarded the national high-tech enterprise.What's more, it has become one of the drafters of the standards of lithium batteries to the intelligent and wearable devices inGuang-dong Province.
FAQ
Q: How should I pay? What modes of payment do you accept?
A: T/T, PayPal, Western Union & Trading Assurance acceptable.
Q: Is sample order acceptable?
A: Yes, for most of the batteries, sample orders for testing quality is reasonable and acceptable.
Q: Is your battery quality approved?
A: Yes, we guarantee that all cells are 100% original from Panasonic, Samsung, LG and Sony. And we will have full inspection of
each cells and grouping them before assembling into battery packs. And all finished battery packs will be under a full inspection
before shipment.
Q: How can you prove that your cells are 100% original?
A: We can show you the original pack list and other related documents.
Q: what is your lead time if I placed an order?
A: For all products in stock, our lead time is within 2 working days after payment received. For these that we don't stock for the
moment such as customized battery packs, the lead time is around 7-10 days.
Q: What is your warranty?
A: We guarantee the quality before the item is shipped. You can enjoy 30-day free refund, 4-month free replacement, and lifetime
maintenance service from the date of delivery. Any damages caused by improper use are not covered by our warranty.
A: T/T, PayPal, Western Union & Trading Assurance acceptable.
Q: Is sample order acceptable?
A: Yes, for most of the batteries, sample orders for testing quality is reasonable and acceptable.
Q: Is your battery quality approved?
A: Yes, we guarantee that all cells are 100% original from Panasonic, Samsung, LG and Sony. And we will have full inspection of
each cells and grouping them before assembling into battery packs. And all finished battery packs will be under a full inspection
before shipment.
Q: How can you prove that your cells are 100% original?
A: We can show you the original pack list and other related documents.
Q: what is your lead time if I placed an order?
A: For all products in stock, our lead time is within 2 working days after payment received. For these that we don't stock for the
moment such as customized battery packs, the lead time is around 7-10 days.
Q: What is your warranty?
A: We guarantee the quality before the item is shipped. You can enjoy 30-day free refund, 4-month free replacement, and lifetime
maintenance service from the date of delivery. Any damages caused by improper use are not covered by our warranty.