The GP-MPPT-85/20 ensures maximum performance and yield from all types of PV systems year-round and in any environment.
The GP-MPPT-85/20 is an industrial Maximum Power Point Tracking (MPPT) charge controller featuring a robust, fully-sealed (IP68) housing that resists vibration as well as dust-, insect- and water ingress.
-25mV / K (12V systems), – 50mV/K (24V Systems)
Battery Voltage Range (min. – max.) [V]
9V – 15.5V (12V system), 18 – 31V (24V system)
Max Charge Current
Float Charge (Default= SEALED)
Main Charge (Default= SEALED)
14.1/28.2V (25°C), 0.5h Daily
Boost Charge (Default- SEALED)
14.4/28.8V (25°C), 2h, Activation: Battery Voltage <12.3/24.6V
Equalization Charge (Flooded)
14.9/29.8 (25°C),2h, Activation: Battery Voltage <12.1/24.2V (at least every 30 days)
88.5 x 112 x 41.4 mm
Type of Protection