Suitable for battery charging protection, specifically designed for Dartek A3 power tools. Equipped with a balancing circuit to monitor real-time voltage, charge and discharge current, and ambient temperature of each battery. Provides multiple stable charge and discharge protection functions, including overcharge protection, over-discharge protection, and short-circuit protection. Enhanced safety features to prevent overcharging, overheating, and short circuits, thereby extending battery life. User-friendly design with a simple installation process, making it ideal for professionals and DIY enthusiasts. This protection board is essential for maintaining the optimal performance of power tools. Its and reliable main board ensures long-term use, while the advanced safety features provide peace of mind during operation. The easy installation process allows users to quickly set up the board, making it a practical choice for anyone looking to enhance their battery management system. Color: As Shown Material: PCB Package Contents: 1 * Battery Protection Board Only the above package content, other products are not included. Note: Light reflection and different displays may cause the color of the item in the picture a little different from the real thing. The measurement allowed error is +/- 1-3cm.