1. High Temperature Warning Indicator on LCD Display: When temperature exceeds 45°C, the temperature symbol illuminates in red, accompanied by an audible alarm, followed by automatic shutdown. 2. Battery Power Indicator on LCD Display: Green indicates full charge, yellow indicates approximately 50% charge, and red indicates low battery—recharge is recommended immediately. 3. Voltage Warning on LCD Display: (1) High Voltage Warning: The “V” symbol illuminates in red, the battery level bar blinks, input voltage displays 15V or higher, accompanied by an audible alarm and automatic shutdown. (2) Low Voltage Warning: The “V” symbol illuminates in red, the battery level bar blinks, input voltage displays 10.5V or lower, accompanied by an audible alarm and automatic shutdown. 4. Power On/Off Indicator on LCD Display: Green symbol indicates normal operation; red symbol with fault indication means no output. 5. Overload & Short Circuit Indication on LCD Display: - Overload: A balance-scale-style symbol illuminates in red, the load level bar blinks, and an audible alarm sounds with no output. - Short Circuit: The same balance-scale symbol illuminates in red, the load level bar blinks, and an audible alarm sounds with no output. 6. Multiple Protection Features: Built-in fuses, safe charging design, and cooling fan prevent overheating. Provides overvoltage, overload, overcurrent, short circuit, undervoltage, and thermal protection. 7. Design & Quality: Compact and portable—ideal for travel, camping, and work trips. Compatible with most 12V vehicle power outlets for convenient charging on the go. 8. 10A MPPT Solar Charge Controller with LCD Display and Dual USB Ports: - DC Output: 12V / 1.5A (20W max) - USB Output: 5V / 1.7A (dual ports) - Color: As shown in product images - Materials: Plastic + metal - Package Includes: 1 x solar panel, 1 x controller, 4 x cables, 2 x buckles, 3 x suction cups, 1 x English manual