Crazydeal 10A CMP Solar useful Panel Charge Controller Autoswitch Regulator 12V/24V 07 Automatically manage the working of solar panel and battery in solar system. Overloading & short-circuit protection. Reverse diacharging & reverse-polarity protection. Under-voltage and over-charging protection. Protection from lightning strike. Prolong the battery life cycle and keep the load work well. Easy to set up and operate. Suitable for small solar energy system. Rated voltage: 12V or 24V. Rated charging current: 10A. Rated load current: 10A Low voltage disconnection: 10.8V or 21.6V. Low voltage reconnection: 11.8V or 23.6V. Over-charging protection: 14V or 28V. Working temperature: -20 ~ +60