If you use  solar panels as a means of energy, you should be regulating the current charge  in accordance with the battery voltage, and this MPPT 12V 20A solar controller, with intelligent tracking function, is just the device for the job.

Benefits:

 
• Intelligently tracks the input voltage from the solar panel to enable panel to work at maximum power point
 
• MPPT regulators can increase electrical power by up to 30% compared to a normal solar regulator
 
• Maintains full voltage in battery
 
• Prevents battery from over-charging
 
• Prevents battery from over-discharging
 
• Battery reverse current protection
 
• Overload protection
 
• Short circuit protection
 
• Reverse polarity connection protection

The solar controller is brand new  and boxed, is attached to a strong metal mounting plate and comes with instruction manual

Specifications:

 
• Rated voltage: 12V
 
• Loading current max: 20A
 
• Solar panel efficiency improvement: 10 - 30%
 
• Working efficiency rate: 95 - 97%
 
• Type: MPPT regulator [maximum power point tracking]
 
• Dimensions: 19 x 11.5 x 5.3cm
 
• Colour: black

V1.0