Product Details
Samsung 50S 21700 5000mAh 25A Battery 3.6V Lithium Ion Battery Cell
INR21700-50S
Samsung INR21700-50S 5000mAh Advantages
1. High Capacity: With a capacity of 5000mAh, it provides
significant energy storage, ideal for devices needing extended
runtime. 2. Decent Discharge Rate: Supports continuous discharge rates up to
25A, making it suitable for moderate to high-drain applications. 3. Stable Voltage: Operates at a nominal voltage of 3.6V, ensuring
reliable and consistent power delivery. 4. Long Cycle Life: Designed to endure many charge and discharge
cycles, enhancing overall durability and lifespan. 5. Safety Features: Equipped with protections against overcharging,
overheating, and short circuits, ensuring safe usage. 6. Versatile Applications: Commonly used in e-bikes, power tools,
and other high-performance devices due to its robustness. 7. Low Self-Discharge Rate: Maintains charge well over time, making
it suitable for backup power applications. |
Samsung INR21700-50S 5000mAh Nominal Specifications
Model | INR21700-50S |
Standard Discharge Capacity | Typ. 5000mAh -Charge: 0.5C(2.5A), 4.20V, 0.05C(250mA) cut-off @ RT -Discharge: 0.2C(1A), 2.5V cut-off @ RT *1C=5.000mA |
Rated Discharge Capacity | Min. 4800mAh -Charge:1.2C(6A), 4.20V, 0.02C(100mA)cut-off @RT -Discharge: 10A, 2.5V cut-off @ RT |
Nominal Voltage | 3.6V |
Standard Charge | CCCV, 2.5A, 4.20 V, 250mA cut-off |
Rated Charge | CCCV, 6A, 4.20 V, 100mA cut-off |
Discharge Cut-off Voltage | 2.5V |
Max. continuous discharge (Surface temperature) | 25A(Without temperature cut) 45A(With 80℃ temperature cut) |
Cycle Life | ① Capacity ≥ 2,940mAh @ after 250cycles (60% of the standard capacity @ RT) - Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT - Discharge: 25A , 2.5V cut-off @ RT ② Capacity ≥ 2,940mAh @ after 100cycles (60% of the standard capacity @ RT) - Charge : 6A, 4.20V, CCCV 100mA cut-off @ RT - Discharge: 45A, 2.5V cut-off (80℃ cut-off, re-discharge release < 50℃) @ RT |
Operating Temperature (Surface) | Charge : 0 to 50℃ (recommended recharge release < 45℃) Discharge: -20 to 80℃ (must re-discharge release < 60℃) |
Weight | 70.0g max |
Cell Dimension | Hight: 70.62mm(Max); Diameter: 21.25mm(Max) |
Storage Environment | 1 year: 0~25℃ |
3 months: 0~45℃ |
1 month: 0~60℃ |
Warranty | 12 months |
Samsung INR21700-50S Cell.pdf |
Outline Dimensions:
|
Samsung INR21700-50S 5000mAh Applications
High power cordless vacuum cleaner, Electric cigarette, Electric
scooter, High power home Appliances, Power Tool... |
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 Profile
SHENZHEN UNEME TECHNOLOGY CO.,LTD. located in Shenzhen Guangdong China, is a high-tech enterprise
which focused on the development, manufacturing and marketing of Lithium Polymer Batteries, Lithium ion Batteries and Ni-MH Batteries for consumer,
industrial, medical and automotive applications in all walks of
life. UNEMETECH moves on by providing reliable, efficient and intelligent
solutions to different power needs. We have highly efficient teams
of engineering, production and quality management as well as the most
advanced domestic automatic production equipment and manufacturing
technique. All steps from raw materials to procurement, production,
testing, sales and after-sales service are under controlled with a
strict quality system in our ISO9001 and ISO14001 certified
factory. UNEMETECH is proud of making successful deliveries to the world's leaders of
consumer & industrial electronic industry. UNEMETECH had established a long-term stable cooperation relationship with numerous well-known
brands. UNEMETECH committed to providing the first-class quality, competitive price
and perfect services for our customers, we are confident that UNEMETECH can be your best battery supplier.

Enterprise Vision:
Devote to build the most creative company in the lithium battery
industry
To ascend the first echelon of the global lithium battery industry
Enterprise Mission:
Continuously promote lithium battery technology innovation,
continuously improve people’s living standards
Core Values:
Honesty and transparency、responsibility professional high
efficiency、 creativity、 win-win cooperation
