MT2075 12/24VDC 20A Magic Series MPPT solar charge controller.

Features:

Innovative MPPT technology, tracking efficiency up to 99.9%, conversion efficiency up to 98%.
Real time display of operational data and working status of the controller in digital, graphic and textual form via large LCD.
Many choices of battery type, working mode and protection.
12V/24V automatic recognition.
Temperature compensation.
Perfect EMC design.
Four stage charge way: MPPT, boost, equalisation, float.
Full electronic protect function.

Specifications:

Max solar current or load: 20A
System voltage: 12V/24V auto recognition
MPPT efficiency: >98%
Max PV input power: 260W/520W
MPPT charging voltage: <14.5V/29V @ 25C
Boost voltage: 14.5V/29V @ 25C
Equalisation voltage: 14.8V/29.6V @ 25C (liquid)
Float voltage: 13.7V/27.45V @ 25C
Dusk/dawn detect volt.: 8.0V/16.0V
Battery type: liquid, GEL
Max voltage on PV terminal: 55V
Max voltage on battery terminal: 35V
Own consumption: 7mA
Degree of protection: IP32
Max altitude: 4000m
Dimensions: 189x182x58mm