Smart-MPPT series intelligent MPPT solar controller is programmable , waterproof and well-suited for a wide range of solar systems. The charging efficiency of this controller is higher than a traditional PWM controller, helping to get the most out of the solar panel.
It comes with a number of outstanding features, such as:

• Innovative Maximum Power Point Tracking(MPPT) technology, tracking efficiency >99.9% 
• High charge conversion efficiency up to 97.5%
• Suitable for Gel, Liquid, AGM and Lithium battery
• Four stage charging: MPPT, boost, equalization, float
• Below 0℃ Charging Protection can be programmed (Lithium)
• When BMS power off because of LVD, it can activate the system automatically by panel
• Day/Night threshold can adjust automatically
• Waterproof IP67, Strong and durable aluminum case
• Full automatic electronic protect function