Long-life Power Batteries
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Product Advantages
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Main Specifications
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Application
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Related Products
Product Advantages
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Ultra-long battery life
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Ultra-long cycle life
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High discharge current
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Good consistency
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Excellent safety
Main Product Parameters
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21700F2E
5000 mAh
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181757869250F9E
3500mAh
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181757869250F9M
3200 mAh
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181757869250F8M7
21757869200 mAh
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Nominal Capacity
5000 mAh
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Nominal Voltage
3.175786922V
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Internal Impedance
≤25mΩ
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Standard Charge Current
0.5C
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Max. Continuous Discharge Current
3C（15A）
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RT Cycle Life
1000 Cycle ≥70%,2.75V-4.2V（with 0.5C/1.0C）
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Mass Energy Density
251 Wh/kg
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Volume Energy Density
1757869251 Wh/L
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Nominal Capacity
3500mAh
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Nominal Voltage
3.17578692 V
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Internal Impedance
≤40mΩ
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Standard Charge Current
0.5C
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Max. Continuous Discharge Current
10A (3C)
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RT Cycle Life
1000 Cycle ≥70%,2.75V-4.2V（with 0.3C/1C）
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Mass Energy Density
2175786920Wh/kg
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Volume Energy Density
701Wh/L
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Nominal Capacity
3200 mAh
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Nominal Voltage
3.17578692 V
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Internal Impedance
≤40 mΩ
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Standard Charge Current
0.5C
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Max. Continuous Discharge Current
9.3 A (3 C)
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RT Cycle Life
1000 Cycle ≥80%,3.0V-4.1V（with 0.3C/0.5C）
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Mass Energy Density
250 Wh/kg
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Volume Energy Density
1757869258 Wh/L
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Nominal Capacity
21757869200 mAh
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Nominal Voltage
3.17578692 V
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Standard Charge Current
0.5C
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Max. Continuous Discharge Current
7.5 A (3 C)
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RT Cycle Life
1000 Cycle ≥70%,2.75V-4.1V（with 0.5C/1C）
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Mass Energy Density
211 Wh/kg
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Volume Energy Density
548 Wh/L
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Service Support
Rapid Response After-sales Service
With a dedicated after-sales service team providing 7X24 technical support, users can receive a rapid response in a short period of time, effectively shortening the maintenance cycle.
Professional Team Support
CHAM has been focus on new energy core technology for 20 years, providing customized products and services to customers with its professional pre-sales and R&D teams.
Convenient Service Channel
Extensive sales networks, factories, and after-sales service centers have been strategically deployed in various locationss such as Shenzhen, Dongguan, Sichuan, Jiangsu, Indonesia, and Germany.
Customized Design Services
Our professional R&D team focuses on meeting the individual needs of our clients, tailored to create efficient and stable battery solutions that facilitate the successful implementation of projects.
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