Samsung 40T 21700 4000mAh 35A Battery 3.6V Lithium Ion Battery Cell INR21700-40T

Brand Name:UNEMETECH/Samsung
Certification:CE, CB, IEC62133, UL1642...
Model Number:INR21700-40T
Minimum Order Quantity:100PCS
Delivery Time:2~7 days
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Samsung 40T 21700 4000mAh 35A Battery 3.6V Lithium Ion Battery Cell INR21700-40T


Samsung INR21700-40T 4000mAh Advantages

1. Large Capacity: At 4000mAh, it provides ample energy storage, making it ideal for high-demand devices and applications.
2. High Discharge Capability: With a maximum continuous discharge rate of 35A, it is well-suited for high-drain devices, ensuring reliable performance in demanding situations.
3. Reliable Voltage: Operating at a nominal voltage of 3.6V, it ensures stable power delivery across various applications.
4. Durability: Designed for a long cycle life, this battery can withstand numerous charge and discharge cycles, reducing the frequency of replacements.
5. Integrated Safety Features: Equipped with protections against overcharging, overheating, and short circuits, it promotes safe usage in various environments.
6. Wide Range of Applications: Ideal for electric vehicles, power tools, and other high-performance electronics, it offers versatility in its use.
7. Efficient Self-Discharge Rate: Maintains charge effectively over time, making it suitable for devices that may be stored for extended periods.

Samsung INR21700-40T 4000mAh Nominal Specifications

ModelINR21700-40T

Standard Discharge Capacity

Min. 4,000mAh
- Charge: 0.5C(2A), 4.20V, 0.05C(200mA) cut-off @ RT
- Discharge: 0.2C(800mA), 2.5V cut-off @ RT

Rated Discharge Capacity

Min. 3,900 mAh
- Charge:1.5C(6A), 4.20V, 0.025C(100mA)cut-off @RT
- Discharge: 10A, 2.5V cut-off @ RT
Nominal Voltage3.6V
Standard Charge MethodCCCV, 2A, 4.20 V, 200mA cut-off
Rated chargeCCCV, 6A, 4.20 V, 100mA cut-off
Discharge Cut-off Voltage2.5V
Max. continuous discharge
(Surface temperature)
35A(Without temperature cut)
45A(With 80℃ temperature cut)
Cycle Life

Capacity ≥ 2,400mAh @ after 250 cycles (60% of the standard capacity @ RT)

- Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT
- Discharge: 35A , 2.5V cut-off @ RT

Operating temperature
(Ambient)
Charge : 0 to 45℃
Discharge: -20 to 60℃

Operating Temperature

(Surface)

Charge, 0°C ~ 50°C (recommended recharge release < 45℃)
Discharge, -20°C~80°C (must re-discharge release < 60℃)
Weight70.0g max
Cell DimensionHight: 70.30mm(Max); Diameter: 21.22mm(Max)
Storage Environment1 year: 0~25℃ ≤70%RH
3 months: 0~45℃ ≤70%RH
1 month: 0~65℃ ≤70%RH
Warranty12 months
Samsung [INR21700-40T]_Cell Specification.pdf

Outline Dimensions:


Samsung INR21700-40T 4000mAh Applications

The characteristics of cylindrical li-ion battery are high energy density, long life, low self-discharge, fast charging, good safety and adaptability, therefore, it is widely used in electric tools, electric vehicles, portable electronic products and other fields.


Our Service

1). Professional lithium ion battery packs supplier for over ten years, and have our own factory,

2). Strong R&D team to support,

3). Offer OEM/ODM service for customer's order,

4). Quick reply and action,

5). Competitive price, good sale and after-sales service.

China Samsung 40T 21700 4000mAh 35A Battery 3.6V Lithium Ion Battery Cell INR21700-40T supplier

Samsung 40T 21700 4000mAh 35A Battery 3.6V Lithium Ion Battery Cell INR21700-40T

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