| 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 |
| Brand Name | UNEMETECH/Samsung |
| Model Number | INR21700-50G |
| Certification | CE, CB, IEC62133, UL1642... |
| Place of Origin | China, Korea and Malaysia |
View Detail Information
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Product Specification
| 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 |
| Brand Name | UNEMETECH/Samsung | Model Number | INR21700-50G |
| Certification | CE, CB, IEC62133, UL1642... | Place of Origin | China, Korea and Malaysia |
| High Light | 3.63V 21700 Battery Cell ,4900mAh 21700 Battery Cell ,21700 Lithium Ion Battery Cell | ||
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:
| |
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. |
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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.
Company Details
Business Type:
Manufacturer,Distributor/Wholesaler,Agent,Importer,Exporter,Seller,Other
Year Established:
2021
Total Annual:
10,000,000-20,000,000
Employee Number:
300~800
Ecer Certification:
Verified Supplier
Shenzhen Uneme Technology Co., Ltd. is a professional battery company based in Shenzhen, China, with its own UNEMETECH brand and an international sales presence in Hong Kong. We specialize in a wide range of batteries, including lithium-ion batteries such as 18650 and 21700 batteries, lithium p... Shenzhen Uneme Technology Co., Ltd. is a professional battery company based in Shenzhen, China, with its own UNEMETECH brand and an international sales presence in Hong Kong. We specialize in a wide range of batteries, including lithium-ion batteries such as 18650 and 21700 batteries, lithium p...
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