1. Battery charging control board: charger power supply switching module. 2. This control module is compatible with 12V/24V batteries and has a wide input voltage range of 10-30V, accurate display and control accuracy of 0.1V. Its direct output type provides stable and reliable charging. 3. The XH-M604 battery charger control module is for DC 6-60V batteries with a maximum input voltage of 80V. It has a precise display and control accuracy of 0.1V, making it suitable for various applications. 4. Designed for AC 220V input voltage, the XH-M602 control module supports charging lithium batteries in the range of 3.7V to 120V. Its output switch provides safe and efficient charging. 5. The XH-M601 control board is perfect for 12V batteries and has adjustable start and stop charging voltage settings. Its small size of 50 x 32 x 18 mm makes it a compact and convenient choice. Use scenarios - 12V battery maintenance and charging in a small workshop or project using the XH-M601, with adjustable start and stop charging voltage for tailored charging profiles. - DC charging for variable battery systems (6-60V) in a portable or off-grid setup with the XH-M604, leveraging its ability to handle up to 80V input and its precise 0.1V display and control accuracy. - Lithium battery charging from AC mains (3.7V to 120V range) in devices or systems requiring safe, efficient charging with the XH-M602, which supports AC 220V input and provides an output switch for safe operation.