21700-40E Lithium Cell 3.6V 4000mAh

Redway 21700 Series Cells, including models like the 21700-40P, 21700-40E, 21700-45E, and 21700-45D, offer impressive capacity. The numerical values, such as "40" and "45," indicate the cell's milliampere-hour (mAh) rating. For example, the 21700-40P has a capacity of 4000mAh, while the 21700-40E offers a higher capacity of 4000mAh. These cells are designed to provide exceptional performance, reliability, and durability.

What is a 21700-40E lithium battery cell?

A 21700-40E lithium-ion battery cell is a cylindrical cell measuring 21mm in diameter and 70mm in length. The "21700" designation is a standard size reference in the battery industry. These cells typically offer a capacity of 4000mAh (4Ah), with optional capacities ranging from 4500mAh to 6000mAh. They are available in voltages of 3.6V, 3.7V, and 3.2V, and can be of types NMC, NCA, or LiFePO4 (LFP), with LiFePO4 (LFP) being the recommended choice.

What are the specs. of Redway 21700 lithium battery cells?

What are the applications of 21700-40E lithium battery cells?

21700-40E lithium battery cells are versatile power sources utilized across multiple industries for their exceptional energy density and reliability. They find applications in electric vehicles, portable electronics, energy storage systems, power tools, medical devices, aerospace, defense, electric bicycles, and marine/RV setups. These cells ensure efficient power delivery and sustained performance, making them indispensable for a wide array of devices and systems, whether on land or in the air.

FAQs

Can I request a sample order of Redway 21700-40E battery cells?
Yes, we welcome sample orders for testing and quality assurance purposes.

What is the lead time for sample and mass production orders?
Sample orders typically require 5-10 days, while mass production orders may take 3-5 weeks, depending on the quantity ordered.

Is there a minimum order quantity (MOQ) for Redway 21700-40E battery cells?
Yes, there is an MOQ for mass production, which varies depending on the specific part numbers. However, we offer low MOQ options, and sample orders of 1-10pcs are available.

How are Redway 21700-40E battery cells shipped, and what is the estimated delivery time?
We primarily ship via DHL, UPS, FedEx, or TNT, with delivery typically taking 3-5 days. Airline and sea shipping options are also available upon request.

What is the process for placing an order for Redway 21700-40E battery cells?
Firstly, please inform us of your requirements or application. Secondly, we will provide a quotation based on your requirements or our suggestions. Thirdly, upon sample confirmation, place a deposit for the formal order. Fourthly, we will proceed with production.

Can I customize the product with my logo?
Yes, we can accommodate logo printing. Please inform us of your logo design before production begins.

What is the expected cycle life of your battery cells?
All of our batteries are rated for a cycle life of 4000 cycles or more, even beyond 100% Depth of Discharge (DOD).