Feature: 1. LCD Screen: This solar panel battery intelligent regulator features an LCD screen that clearly displays PV and battery status which is easy to control and read. 2. High Power Cooling Fan: This solar panel intelligent regulator has a built in high power cooling fan to keep the controller at normal working temperature. 3. Multiple Protection: This solar panel regulator has a protection system including PV array short circuit, PV over voltage, PV over current, load overload, load short circuit, temperature protection, battery over voltage/over discharge protection and reverse polarity protection. 4. Multifunctional: This MPPT charge controller is multifunctional and can be used to detect the real time solar panel generated voltage and track the highest voltage and current values (VI) to charge the batteries with maximum power output. 5. Good Compatibility: This MPPT solar charge controller is well adapted to all battery types, and the charging stages can be divided into batch charging, accelerated charging, floating charging and equalization charging. Specification: Item Type: MPPT Solar Charge Controller Material: Aluminum Alloy Model: NBFY NMS 1000 12 AC Input Voltage: 230VAC Optional Voltage Range: 170-280VAC ( For PC ), 90-280VAC (For Home Appliances) Frequency Range: 50 Hz, 60Hz ( Auto Sensing ) AC Output AC Voltage Requirement: 230VAC ?? 5% Solar Charger Type: MPPT Maximum PV Array Power: 600W MPPT Range At Operating Voltage: 20-150VDC Use: Suitable for electrical loads up to 1000W. Can be equipped with WiFi module. Can be connected to acid, gel, lithium batteries, etc.. Package List: 1 x MPPT Solar Charge Controller2 x Terminals1 x Manual