40A Protection Board for 18650 Lithium 3S Batteries with 12.6V-13.6V Charge Balancing Module

Welcome to our shop! This battery protection board is the essential accessory to secure and optimize the charging of your 3S lithium batteries. Designed with a high-quality printed circuit board (PCB), it guarantees reliability and durability. **Key Features:** **Charging Voltage:** Specially designed for 3S batteries, its charging voltage range is 12.6V to 13.6V. **Perfect for Power Drills:** Ideal for power drills with a starting current of less than 80A and a power output of less than 135W, requiring multiple power batteries. **Battery Compatibility:** Suitable for lithium batteries with a nominal voltage of 3.7V and a full voltage of 4.2V, including 18650, 26650, and lithium polymer batteries. **Auto Recovery Function:** Incorporates an auto recovery function to maintain a very low self-discharge current, thus preserving your battery life. **Simple and Balanced Connection:** This balanced protection board allows for easy connection to both the charger and the load (your device), greatly simplifying the process. Installation.* **Electrical Performance:** * Maximum continuous discharge current: 40A (It is recommended to reduce the charging current if the heat dissipation environment is not optimal). * Maximum continuous charging current: 20A.** Package Contents:** You will receive **1 x Battery Protection Board** to immediately secure your projects.