20 Amp MPPT Solar Charge Controller

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Features Automatically detects 12V or 24V DC system voltages Compatible with various deep cycle battery options: Sealed, Gel, Flooded, and Lithium Innovative MPPT technology with h igh tracking efficiency of up to 99% and peak conversion efficiency of 98% Electronic protection against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current LCD screen and multiple LED indicators for displaying system operation information, customizable parameters, and error codes Features diverse load control; also capable of charging over-discharged lithium batteries Die-cast aluminum design allows for efficient heat dissipation RS232 port to communicate with BT-1 Bluetooth module Specifications Nominal System Voltage: 12V/24V Auto Recognition Rated Battery Current: 20A Rated Load Current: 20A Max. PV Input Short Current: 25A Max. Battery Voltage: 32V Max Solar Input Voltage: 100 VDC Discharge Circuit Voltage Drop: ≤0.15 V Max. Photovoltaic System Input Power: 260W/12V, 520W/24V Conversion Efficiency: ≤98% MPPT Tracking Efficiency: >99% Operating Temperature: -35℃ to +45℃ Protection Degree: IP32 Net Weight: 3.08 lb Overall Dimensions: 8.27 x 5.94 x 2.34 in Show more