21700-40C Lithium Cell 3.6V 4000mAh

Redway 21700 Series Cells comprises various models, including the 21700-40P, 21700-40E, 21700-45E, and 21700-45D, distinguished by their exceptional capacity denoted by numerical values like "40" and "45," representing milliampere-hour (mAh) ratings. For example, the 21700-40P offers a capacity of 4000mAh, while the 21700-45D provides a higher capacity of 4500mAh. Engineered with precision, these cells ensure top-notch performance, reliability, and longevity.

What is a 21700-40C lithium battery cell?

A 21700-40C lithium-ion battery cell is a cylindrical cell with a diameter of 21mm and a length of 70mm. The "21700" designation is a standard size reference in the battery industry. These cells typically come with a capacity of 4000mAh (4Ah), but optional capacities include 4500mAh, 4800mAh, 5000mAh, 5500mAh, and 6000mAh. Optional cell voltages include 3.6V, 3.7V, and 3.2V, while optional cell types include NMC, NCA, and LiFePO4 (LFP), with LiFePO4 (LFP) being the recommended option.

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

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

The 21700-40C lithium battery cells serve diverse applications across industries due to their high energy density and reliability. Common uses include electric vehicles, portable electronics, energy storage systems, power tools, medical devices, aerospace, defense, electric bicycles, and marine/RV applications. These cells provide efficient power delivery and long-lasting performance, making them essential for powering various devices and systems, both on land and in the air.

FAQs

Can I request a sample order of Redway 21700-40C 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 21700-40C 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 21700-40C 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 21700-40C battery cells?
First, please inform us of your requirements or application. Second, we will provide a quotation based on your requirements or our suggestions. Third, upon sample confirmation, place a deposit for the formal order. Fourth, 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).

What are Battery Storage Temperature Guidelines?
The ideal storage temperature for lithium-ion batteries is typically between 0°C to 25°C (32°F to 77°F). Avoid storing them above 60°C (140°F) or below -20°C (-4°F) to prevent damage.

What are the Battery's Test Parameters and Traits?
The battery cell is a 21700-40C lithium cell with a capacity of 4000mAh and a voltage of 3.6V. It is available in different cell types (NMC, NCA, LiFePO4) and capacities (up to 6000mAh).

What is the Product Warranty Duration?
The product warranty duration for the 21700-40C lithium cell varies based on the manufacturer and seller. Check with the specific supplier for warranty details.

Where is the Product Available for Purchase?
The product is available for purchase from Redway, a lithium battery manufacturer with factories in Sichuan and Guangdong, China. It can be purchased through various delivery terms and payment options.

What are the Specs of the Described Lithium Battery Pack?
The described lithium battery pack is a 21700-40C cell with a capacity of 4000mAh, a voltage of 3.6V, and options for different cell types, voltages, and capacities.