Description: PWM charging: High charging efficiency, PWM charging way, longer battery life. LED Indicator: LED Indicators that inform you about the charge controller's status. The product provides overcharge, over-discharge, overload protection, as well as short-circuit and reverse-connection protection. Aluminium Alloy and ABS Shell: The shell of solar panel charge controller is made of aluminium alloy and ABS, durable and lightweight. The controller is great for use with motorhomes, caravans, boats or anywhere there are two independent batteries for instance a starter battery and a leisure battery. With temperature compensation employed, charging parameters can be automatically adjusted. A wide range of load working modes facilitate the product's application to different types of load. Specifications: Material: Aluminium Alloy, ABS. Size: 118*104*50mm. Color: show as pictures. System voltage: DC12V. Maximum Charging current: 10A. Maximum solar panel power: 12V: 164W. Maximum solar panel voltage: 12V. Maximum battery voltage: 30V. Notes: Due to the light and screen setting difference, the item's color may be slightly different from the pictures. Please allow slight dimension difference due to different manual measurement. Package include: 1 * PWM Solar Charge Controller.