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| Categories | 21700 Batteries |
|---|---|
| Brand Name: | UNEMETECH/Samsung |
| Model Number: | INR21700-50G |
| Certification: | CE, CB, IEC62133, UL1642... |
| Place of Origin: | China, Korea and Malaysia |
| MOQ: | 100PCS |
| Price: | 2.0-3.5USD/PCS |
| Payment Terms: | T/T , WorldFirst , Payoneer , PingPong , Paypal , Alipay , Western Union , ... |
| Supply Ability: | 500,000.00 Pieces Per Day |
| Delivery Time: | 2～7 days |
| Packaging Details: | Standard Export Package or Customized Package |
| Battery Type: | 21700 Lithium ion Battery |
| Standard Discharge Capacity: | Min 4900mAh |
| Rated Discharge Capacity: | Min 4750mAh |
| Nominal Voltage: | 3.63V |
| Charging Voltage: | 4.2V |
| Charging Current: | 2450mA |
| Max Discharge Current: | 9800mA (for continuous discharge) 14700mA (not for continuous discharge) |
| Weight: | 72.5g max |
Samsung 50G 21700 5000mAh 9.8A Battery 3.63V Lithium Ion Battery Cell INR21700-50G
Samsung INR21700-50G 5000mAh Advantages
1. High Energy Density: At 5000mAh, it delivers significant energy storage, making it suitable for devices that need prolonged usage without frequent recharging. 2. Moderate Discharge Capability: With a maximum continuous discharge rate of 9.8A, it is well-suited for applications that require reliable performance without excessive power draw. 3. Consistent Voltage Output: Operating at a nominal voltage of 3.63V, it provides stable power, ensuring device efficiency and functionality. 4. Enhanced Durability: Built for a long cycle life, this battery can handle numerous charge and discharge cycles, which is essential for longevity in various applications. 5. Integrated Safety Mechanisms: Includes features to prevent overcharging, overheating, and short circuits, ensuring safe operation during use. 6. Wide Range of Uses: Ideal for applications such as e-bikes, power tools, and other high-performance electronics, offering versatility in its deployment. 7. Efficient Self-Discharge: Maintains charge well over time when not in use, making it an excellent choice for devices that may sit idle for extended periods. |
Samsung INR21700-50G 5000mAh Nominal Specifications
| Model | INR21700-50G |
Standard Discharge Capacity | Min 4900mAh - Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT (25± 3°C, Avoid direct wind) - Discharge : 0.2C(980mA), 2.5V cutoff @ RT * 1C = 4,900mA |
Rated Discharge Capacity | Min 4750mAh - Charge : 0.5C(2,450mA), 4.2V, 0.02C(98mA) cutoff @ RT - Discharge : 1C(4,900mA), 2.5V cutoff @ RT |
| Nominal Voltage | 3.63V |
| Charging Voltage | 4.2V |
| Charging Method | CC-CV (constant voltage with limited current) |
| Discharge Cut-off Voltage | 2.5V |
| Max Charge Current | 4900mA (not for cycle life) |
| Max Discharge Current | 9800mA (for continuous discharge) 14700mA (not for continuous discharge) |
| Cycle Life | Capacity ≥ 3,802mAh @ after 500cycles (80% of the Rated Discharge Capacity @ RT) - Charge : 0.5C(2,450mA), 4.2V, CCCV 0.05C(245mA) cut-off @ RT - Discharge: 1C(4,900mA), 2.5V cut-off @ RT |
Operating Temperature (Ambient) | Charge, 0°C ~ 45°C |
| Discharge, -20°C~60°C | |
| Weight | 72.5g max |
| Cell Dimension | Hight: 70.85mm(Max); Diameter: 21.50mm(Max) |
| Storage Environment | 1 year: -20~23℃ |
| 3 months: -20~45℃ | |
| 1 month: -20~60℃ | |
| Warranty | 12 months |
| Samsung [INR21700-50G] Cell Specification.pdf | |
Outline Dimensions:
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Samsung INR21700-50G 5000mAh 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.
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