Product Description
This 21700-3S1P/4900mAh triangular lithium-ion battery pack is a high-performance rechargeable battery that uses high-quality 21700 cylindrical lithium-ion cells arranged in a 3S1P configuration. It has a nominal voltage of 10.8V, a capacity of 4900mAh, and an energy output of 52.92Wh. Within its compact triangular form factor, it provides stable, reliable, and long-lasting power.
Key Features
High Energy Density: A compact triangular structure delivers 52.92Wh of energy output while making efficient use of space.
Stable Voltage Output: A nominal voltage of 10.8V ensures a stable power supply for sensitive electronic devices.
Reliable Cell Configuration: Utilizes high-quality 21700 cylindrical cells in a 3S1P battery structure, enhancing safety and durability.
Ternary Lithium-ion Battery Chemistry (NCM): Combines high capacity, long cycle life, and robust discharge performance.
Compact and Lightweight Design: Weighing only 225g, it is optimized for portable and embedded power systems.
Application Areas
Portable Power Tools
Medical Equipment & Portable Medical Devices
Robotics & AGV Power Systems
Electric Instruments & Test Equipment
Smart Home & IoT Devices
Backup Power Systems for Industrial Electronics
Consumer Electronics Requiring 10–12V Power Supply
Product Parameters
| NO. | Item | Performance | Remark |
| 3.1 | Rated Capacity | 5000mAh | Discharge at constant current |
| 3.2 | Minimum Capacity | 4900mAh | Discharge at constant current |
| 3.3 | Nominal Voltage | 11.1V | |
| 3.4 | Voltage at End of Charge | 12.6V±0.03V | |
| 3.5 | Voltage at End of Discharge | 7.5V | |
| 3.6 | Charge Method | GB (GB/T Standard) | |
| 3.7 | Standard Charge Current | 0.2C | 0～45℃ |
| 3.8 | Maximum Charge Current | 1C | |
| 3.9 | Maximum Discharge Current | 2.0C | 0～45℃ |
| 3.1 | Operating Temperature Range | Charge/Discharge: 0～45℃ | Ambient temperature |
| 3.11 | Storage Temperature | Within 1 month: -20～60℃ | |
| 3.12 | Internal Impedance | ≤180mΩ | 1KHz AC measurement |
| 3.13 | Cell Weight | Approximately 250g | |
| 3.14 | Storage Voltage | 10.65-11.85V | 40%～60%charge/ Battery Percentage:50%～60% |
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