21700-40P Lithium Cell 3.6V 4000mAh

• Optional Cell  Type: NMC / NCA / LiFePO4 (LFP)
• Optional Cell Voltage: 3.6V / 3.7V / 3.2V
• Optional Cell Capacity: 4000mAh / 4500mAh / 4800mAh / 5000mAh / 5500mAh / 6000mAh
• OEM: Yes
• Factory: Redway, Sichuan, Guangdong, China
• Delivery Terms: FOB, EXW, CIF
• Payment: T/T, L/C, PayPal
• Sea / Air / Land Shipment: 10FT, 20FT, 40FT, 60FT
• Certifications: UL / FCC / CE / RoHS / IEC / CCC / PSE / CB / BIS /UN38.3 / MSDS

Description
21700-40P Specifications
Cell Model Name INR21700-40
Nominal Voltage 3.6V
Nominal Capacity 4000mAh
Minimum Capacity 3900mAh (2.75V)
Nominal Energy 14.4Wh
Diameter ~21.7 mm ~0.85 in
Length ~70.8 mm ~2.78 in
Weight ~70g ~0.15 lbs
Internal Resistance ≤19mΩ
Continuous Cycling Discharge 1C~5C (Ambient temperature: 25℃)
Max. Discharge 1C~8C (Does not support cycling discharge)
Cycle Lifespan 5C cycling discharge ≥1000 cycles (Capacity retention rate: 80%)
Applications Tool: Electric Power Tools / Gardening Tools / Floor Scrubber / Vacuum Cleaner / Home Appliances / Medical Equipment / Security Surveillance Equipment / Smart Robots Energy Storage: C&I Energy Power Storage / Portable Power Stations
Certifications UL / FCC / CE / RoHS / IEC / CCC / PSE / CB / BIS /UN38.3 / MSDS
Applications and FAQs

Redway's 21700 Series Cells feature a range of models, including the 21700-40P, 21700-40E, 21700-45E, and 21700-45D. Each model showcases notable capacity, with the numeric values denoting the cell's milliampere-hour (mAh) rating. For instance, the 21700-40P offers a 4000mAh capacity, while the 21700-45D boasts a higher capacity of 4500mAh. Engineered meticulously, these cells deliver exceptional performance, reliability, and durability.

What is a 21700-40P lithium battery cell?

A 21700-40P 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?

JOINSUN 21700 Series Cells

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

Redway 21700-40P lithium battery cells find extensive applications across industries, owing to their high energy density and reliability. They are commonly utilized in electric vehicles, portable electronics, energy storage systems, power tools, medical devices, aerospace, defense, electric bicycles, and marine/RV applications. These cells offer efficient power delivery and durable performance, playing a crucial role in powering a wide array of devices and systems, whether on land or in the air.

FAQs

Can I request a sample order of Redway 21700-40P 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 21700-40P 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 21700-40P 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 21700-40P 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).