1. Improved Technologyquality internal materials, imported original chips, low power consumption, and reliable circuit design. The cost of raw materials is nearly double that of controllers in the same range. Threestage charging: fast charging, equalization charging, and float charging. Automatic battery balancing. The battery casing is made of flameretardant material with overheating protection. quality snapon terminals ensure safety and reliability. 2. Battery ParametersThe product is compatible with 12V/24V leadacid batteries. There are five standard battery types: sealed leadacid, gel leadacid, open leadacid, lithium iron phosphate, and ternary lithium. 3. Safety and IntelligenceIncludes overvoltage protection, overcurrent protection, charging shortcircuit protection, overcurrent protection, shortcircuit protection, and overcurrent protection; overcurrent protection. Battery overvoltage and undervoltage protection; internal overheating protection and lightning protection. 4. Convenience and DetailIntegrated Bluetooth functionality, allowing you to view everything at a glance via the mobile app. The screen displays battery status, solar panel status, load status, and temperature readings. You can remotely control and monitor all functions of the PWM solar charge controller anytime, anywhere, using a smartphone or other device. You can use the mobile app to track power generation and consumption statistics.