| 21700-40D | 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~3C (Ambient temperature: 25℃) |
| Max. Discharge | 1C~5C (Does not support cycling discharge) |
| Cycle Lifespan | 3C cycling discharge ≥800 cycles (Capacity retention rate: 80%) |
| Applications | Transportation Vehicles: 2 Wheels and 3 Wheels Electric Scooter / Hoverboard / Electric Motocycle / Tour LSV / Golf Cart Energy Storage: C&I Energy Power Storage / Portable Power Stations |
| Certifications | UL / FCC / CE / RoHS / IEC / CCC / PSE / CB / BIS /UN38.3 / MSDS |
21700-40D 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
Applications and FAQs
Redway's 21700 Series Cells encompasses various models, such as the 21700-40P, 21700-40E, 21700-45E, and 21700-45D. Each model showcases notable capacity denoted by numerical values like "40" and "45," representing the milliampere-hour (mAh) rating. For instance, the 21700-40P boasts a 4000mAh capacity, while the 21700-45D offers an even higher 4500mAh capacity. These cells are meticulously engineered to deliver exceptional performance, reliability, and longevity.
What is a 21700-40DÂ lithium battery cell?
21700-40D lithium-ion battery cell is a cylindrical cell with a diameter of 21mm and a length of 70mm. The designation "21700" is a standardized size reference in the battery industry. These cells typically have a capacity of 4000mAh (4Ah), with optional capacities ranging from 4500mAh to 6000mAh. Additionally, optional cell voltages include 3.6V, 3.7V, and 3.2V. The cell types available 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 21700-40D lithium battery cells?
The 21700-40D 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 21700-40D 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 21700-40D 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 21700-40D 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 21700-40D 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).
