Elevate your solar system with the BougeRV Sunflow 40A MPPT solar charge controller and unlock the full potential of your panels with advanced MPPT technology. Experience enhanced safety for your lithium batteries with its exceptional features. Make the switch to this incredible charge controller for a cleaner, more sustainable energy source. HIGHLIGHTS FULLY COMPATIBLE WITH LiFePO4 BougeRV Sunflow 40A MPPT solar charge controller features low-temp cut-off charging (below 32℉) to protect your LiFePO4 battery, it can also restart or activate dormant 12V or 24V LiFePO4 batteries turned off due to short circuits or over-discharged. SMART LCD AND APP CONTROL Sunflow 40 amp MPPT controller also features a remote app control, the Bluetooth range is up to 32 feet. Stay informed with the “Solar” APP that provides the solar panel, battery and load status. The controller provides 3 modes for display operation, full-featured mode, no-load mode, and viewing mode, you can select the full-featured mode to modify all adjustable parameters via the screen button if you don't want to download an app. HIGH-EFFICIENCY CHARGE BougeRV Sunflow 40 Amp MPPT controller can adjust the charge current from 0A to 40A. BougeRV charge controller for solar panels, its high tracking efficiency is up to 99.5%, peak conversion efficiency is up to 99%, maximizing the solar panels' output. Adopting quality aluminum heat sink, the battery regulator can dissipate heat better and minimize the power lost under full load working. ACTIVE SHIELD Certified by CE and RoHS. BougeRV 40A MPPT renewable energy controller features a dual MOS circuit to prevent the reverse current and reduce the heat in operation. With 6 protections, over-temperature, open-circuit, short-circuit, overload, polarity reverse prevention circuit, flow backward of current protections. SPECIFICATIONS SKU ISE218 System Voltage 12V/24V Battery Type LiFePO4, SLD, GEL, FLD, AGM, User Defined Rated Charging Current 40 Amp Grounding Type Common Negative Maximum PV Input Voltage 100V (95V protection, 90V recovery) Operating Temperature Range -31℉ to 149℉ (-35℃ to 65℃) Maximum Input of PV System 600W/12V; 1200W/24V Protection Grade IP34 Rated Load Current 20 Amp Bluetooth Communication built-in bluetooth Charge Current Ajust Range 0 Amp to 40 Amp Data Storage Save the last 200 days of historical data Battery Operate Voltage Range 8V to 32V Dimension 8.94L*6.26W*2.95 inches No Load Loss ≤10mA Weight 3.95 lbs Product Warranty 18-month Product Type Solar Charge Controller USER MANUAL Click Here