Product Description
The 18650 5200mAh battery pack is a compact and efficient lithium-ion power solution designed for stable and reliable performance. Built with a 1S2P configuration, this rechargeable battery pack delivers a nominal voltage of 3.7V and provides balanced capacity and size for a wide range of applications.
Compared with high-capacity battery packs, this 18650 lithium battery pack offers a better balance between energy density, size, and cost efficiency. It is constructed using two matched 18650 cells connected in parallel to achieve a total capacity of 5200mAh, ensuring stable output and longer service life.
Explore more 18650 battery pack solutions for different configurations and capacity options.
Lithium-ion batteries are widely used due to their high energy density and efficiency, as explained in lithium-ion battery technology.
This rechargeable battery pack is widely used in power tools, portable electronics, medical devices, IoT systems, and backup power applications. Learn more about battery applications across different industries.
As a professional lithium battery manufacturer, we provide custom battery pack solutions tailored to different voltage, capacity, and size requirements, supporting OEM and ODM projects.
Key Features of 18650 5200mAh Battery Pack
Key Features of 18650 5200mAh Battery Pack
High-capacity 5200mAh lithium battery pack for long-lasting power supply
Stable 3.7V rechargeable battery output for reliable performance
Compact cylindrical battery design (36.5mm x 19.2mm x 66mm) for easy integration
Long cycle life with advanced lithium-ion chemistry
1S2P configuration for balanced performance and energy efficiency
Standard 18650 size, compatible with a wide range of devices
Applications of 18650 5200mAh Battery Pack
This 18650 lithium battery pack is widely used in:
18650 battery pack for portable electronic devices
Electrical Characteristics
Electrical characteristics of the 18650 5200mAh battery pack ensure stable voltage, reliable discharge performance, and consistent charging efficiency for various applications.
| NO. | Items | Scope | Comments |
| 1 | Rated voltage | 3.6 volts | |
| 2 | Minimum capacity | 5200mAh | After fully charging, discharge at 0.2C |
| Typical capacity | 5100mAh | ||
| 3 | Charging voltage | 4.2 volts | |
| 4 | impedance | 100 mΩ (maximum)） | |
| 5 | Charging Mode | CC/CV (Constant Current/Constant Voltage) | Voltage Conversion Based on Battery Voltage |
| 6 | Charging Methods | Standard charging: 0.2C | Charging current: 50 mA |
| Maximum charging current: 0.5C | |||
| 7 | Discharge Method | Standard discharge: 0.2C | Maximum discharge rate: 1C |
| 8 | Charging time | Standard charging | 10 hours |
| Fast Charging | 5 hours | ||
| 9 | End-of-discharge voltage | 2.40±0.10V | |
| 10 | Overcharge voltage | 4.30±0.05V | |
| 11 | Over-discharge cutoff voltage | 2.40±0.10V | |
| 12 | Overcurrent protection | 4.5-8.5A | |
| 13 | Short-circuit protection | Recovery after removing the short-circuit load | |
| 14 | Operating current | 10 microamperes (maximum) | |
| 15 | Operating temperature | Charging temperature: 10–45°C | Discharge temperature: -20 to 60°C |
| 16 | Storage temperature | -20°C to 60°C | The storage capacity should be 40% to 50% of the full charge. |
| Recommended temperature: 25±5°C | |||
| 17 | ID resistor | / | |
| 18 | NTC resistor | / | |
| 19 | Electrostatic Discharge Testing | ±3 kV | |
| 20 | Cycle life | 300 cycles |
Battery Configuration
| NO. | Items | Type and Specifications | Quantity |
| 1 | cell | 18650 | 2 |
| 2 | PCM (Protection Circuit Module) | XR-3575-5M | 1 |
| 3 | Electronic cable | 2.0 terminal (positive), GB 3239 standard, 22 AWG, red 80 mm, black 80 mm, bare 60 mm | 1 |
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