MPPT charge controller 40A: innovative MPPT technology, tracking efficiency up to 99%, peak conversion efficiency up to 98%. Maximum photovoltaic power: 480W, 12V, 960W, 24V 1920, 48V. Update the colorful LCD display: This solar controller fits a 12-24-48 V battery. The main parameters can be programmed via the LCD color display. The LCD colour display makes your operation more manageable. Supports all kinds of batteries: the solar charge controller can support different batteries, lead-acid and Life PO4 and lithium batteries. The default setting is a lithium battery. Good heat dissipation: The solar panel charge controller has a back plate of pure aluminum, which provides good heat dissipation. The multi-sided baking sheet design increases the heat dissipation surface and maintains the best heat dissipation state. Multiple protection: Six types of safety protection ensure your current safety and make it more comfortable to use. And the Mppt controller can be used in the RV Trailer Marine Boat Camp Home Wildd. Product characteristics and quality: 1.12 V/24 V/48 V automatic voltage switching. 2.Applicable system voltage range: 12V to 48V 3.40A Load Output 4.High performance and high efficiency. 5.LCD screen(control panel, parameter setting, error message and other content are displayed). 6.There are three kinds of batteries available: Lead-acid battery, lithium iron phosphate battery 7. Net weight: 782 g. Size: 8.8*8.8*2.9 inch Protection: Protection against overload Deep discharge protection. Short circuit protection Battery interruption protection. Protected against overheating Battery surge protection