MPPT-20A from CARSPA uses the latest Continuous Maximum Power Point Tracking (MPPT) technology, which seeks out the maximum power available from a solar array. Voltage stepdown converter to be able to convert high PV voltages down to lower battery voltages of 12 and 24 volts. Connect up to 300 watts(@12V) / 600 watts(@24V) to your batteries. It features a Standby mode, when insufficient power is comming from the PV array the controller will go into standby mode until the PV array produces sufficient power.
Maximum Charging Current 20A
MPPT Conversion effiency >98%
Voltage Range of Solar Module Range 25-60V (12v Battery) 33-90V (24v Battery)
LCD display: Battery charge voltage, voltage of storage battery, capacity of storage battery, PV Charge current, Load current
Three Stage Charger
Stage 1: 20A
Stage 2: adjustable from 14.0 – 15.0V for 12V battery / 28.0 – 30.0V for 24V battery
Stage 3: 13.8V / 27.6V
Maximum terminal cable size: 16mm2
Maximum Current on Load Terminals: 20A
Cutoff for low voltage on load terminals: 10.4V to 11.4V adjustable for 12v battery. / 20.8V to 22.8V adjustable for 24v battery.
Reconnect for low voltage on load terminals: 12.2V to 13.2V adjustable for 12v battery. / 24.4V to 26.4V adjustable for 24v battery.
Alarm Protections: Output short circuit protection, LV protection for storage battery, PV array short circuit, PV reverse polarity, Battery reverse polarity, Over charging protection.
Self electricity consumption < 15mA
IP Protection: Certified to IP20
Dimensions 154 x 236 x 88 mm