20 Amp MPPT Solar Charge Controller

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 high tracking efficiency 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 ATTRIBUTE VALUE  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 Mounting Oval:  0.30 x 0.18 in Net Weight: 3.08 lb Discharge Circuit Voltage Drop: ≤ 0.15V  Overall Dimension: 8.27 x 5.94 x 2.34 in