Features Automatic Voltage Detection: Automatically identifies system voltage between 12V and 24V, ensuring optimal performance without manual adjustments User-Friendly Wiring Icons: Wiring terminals feature clear icon marks for easy connections to battery, solar panel, and DC load, simplifying installation Efficient Cooling Technology: Dual MOS anti-back circuit design minimizes heat production, enhancing longevity and reliability for your solar system Advanced PWM Charge Management: Full 3-stage PWM charge management maximizes charging efficiency, extending battery life and improving overall energy output Comprehensive Safety Protections: Built-in protections against short circuits, open circuits, reverse connections, and overcurrent enhance safety and reliability for your setup Features: 1、Automatically identify system voltage of 12V/24V. 2、Wiring terminals has corresponding icon marks for connecting battery, solar panel and DC load. 3、Dual MOS anti-back circuit, low heat production. 4、Full 3-stage PWM charge management. 5、Built-in short circuit protection, open circuit protection, reverse connection protection, overcurrent protection. Specification: Features: 1. Automatically identify system voltage of 12V/24V. 2. Wiring terminals has corresponding icon marks for connecting battery, solar panel and DC load. 3. Dual MOS anti-back circuit, low heat production. 4. Full 3-stage PWM charge management. 5. Built-in short circuit protection, open circuit protection, reverse connection protection, overcurrent protection. Specification: Model: CM3024Z Max discharge current: 30A Batt voltage: 12V/24V auto Charging Type: PWM Material: PVC Color: Black Size: Approx. 190 x 90 x 50mm / 7.5 x 3.5 x 2.0in Weight: Approx. 373g / 13.1oz Package list: 1 x Solar Charge Controller 1 x Manual Note: 1. Due to the difference between monitors and light effects, the pictures may not reflect the actual color of the item. 2. Please allow 1-m error due to manual measurement. Thanks for your understanding. 3. Please note that the new type and old type of this product will be sent randomly, and make sure you will not mind before ordering. Package List