2S 5A Lithium Battery Charger Protection Module

The 2S 5A Lithium Battery BMS Charge/Discharge Module is an advanced battery management tool designed to safely handle charging and discharging of 2-cell lithium batteries. It provides protection against overcurrent, short circuits, and overvoltage, while optimizing battery lifespan and ensuring reliable operation.

This 2S 5A Lithium Battery BMS Charge Control & PCM Balancer Module prevents overcharging and over-discharging through precise design, guaranteeing safe and optimal performance for Lithium-Ion and Lithium-Polymer batteries. The module’s overcharge protection voltage is 8.45 V ±25 mV, with a release voltage of 8.35 V ±50 mV. The discharge protection voltage is 5.4 V ±80 mV, and the recovery voltage is 5.6 V ±100 mV.

The module’s response time is highly efficient, with overcharge protection delay at 1.2 s, short-circuit protection at 330 µs, and maximum current protection operating with a 10 ms delay. Its standby current consumption is only 30 µA, and the board dimensions are compact at 9 mm × 5.5 mm.

The 2S 5A Lithium Battery Protection & Balancer Board with 7A Current Limit allows precise monitoring of each cell’s voltage and current, preventing imbalance and ensuring stable operation. This feature is crucial for sensitive projects that require consistent current and voltage. The module can handle 5 A of working current without significant voltage drop and precisely regulates charging voltage between 7.4 V and 8.4 V.

With the Lithium Battery Charger Protection Module, the system is protected from overvoltage, overcurrent, and short circuits, significantly improving the safety of connected devices. Its internal resistance of 45 mΩ reduces voltage drop and increases energy efficiency. This module is ideal for users seeking long battery life and enhanced safety.

The built-in balancer ensures equal voltage and current across all cells, preventing cell imbalance and extending overall battery lifespan. Accurate charge and discharge monitoring provided by the 2S Lithium Battery BMS Charge Control Module enables optimal and safe performance in a variety of projects and applications.

This module delivers professional-grade control over input and output currents, temperature management, and protection against overcharge and over-discharge. It is particularly suitable for industrial projects, solar systems, portable electronics, and robotics. Its compact size and low power consumption make installation and usage straightforward, while the integrated balancer ensures consistent cell voltage and prevents damage.

In summary, the 18650 Lithium Battery Charger Protector provides a complete, reliable, and efficient solution for battery management. Users can confidently achieve safe, long-lasting, and high-performance operation, with precise control of voltage, current, and temperature.

Educational note: PCM stands for Protection Circuit Module, and BMS stands for Battery Management System. While PCM provides basic battery protection, a BMS offers both protection and advanced features such as cell monitoring and balancing.

Applications of the battery protection board

1. Protecting and managing charge and discharge of lithium batteries in portable electronic and robotic devices.
2. Use in small solar systems to control and optimize 2-cell batteries.
3. Preventing short circuits and overcurrent in portable tools and electronic devices.
4. Balancing cell voltage and current using the built-in balancer.
5. Extending battery lifespan and improving efficiency in industrial and home projects.
6. Precise monitoring and control of battery current and voltage in smart electrical systems.

Specifications of the Lithium Battery Charger Protection Module

1. Product Name: Lithium Battery Protection & Balancer Board
2. Model: HX-2S-01
3. Overcharge Protection Voltage: 8.4 V ±25 mV
4. Overcharge Release Voltage: 8.35 V ±50 mV
5. Overdischarge Protection Voltage: 5.4 V ±80 mV
6. Overdischarge Recovery Voltage: 5.6 V ±100 mV
7. Module Operating Current: 5 A
8. Module Peak Current Limit: 7 A
9. Overcharge Protection Delay: 1.2 s
10. Overcurrent Protection Delay: 10 ms
11. Short-Circuit Protection Delay: 330 µs
12. Standby Current Consumption: 30 µA at 7.4 V
13. Supported Battery Voltage: 2S 7.4 V
14. Internal Resistance: <300 mΩ
15. Operating & Storage Temperature: -40 °C to +50 °C
16. Effective Lifespan: >50,000 hours
17. Short-Circuit Protection: Yes, recoverable with recharge
18. Module Dimensions: 9 × 5.5 mm
19. Module Weight: ~50 g