BougeRV 20A PWM Solar Charge Controller with BT APP Control, Backlit LCD Display, USB Port, 12V/24V, Compatible with Lithium/AGM/Gel/FLD Batteries, Ideal for RV Marine Boat Off-Grid Systems

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CLEAR BACKLIT DISPLAY：Features a large, easy-to-read screen that cycles every 3 seconds to show real-time PV input current and battery voltage. With 50% brightness at idle, you can clearly check your solar power status and battery level, even in low-light conditions. Wide Lithium-Ion Battery Compatibility：Specifically designed for modern batteries, it supports LiFePO4 (LFP), NMC (Li), and LTO lithium batteries with clear icons. Once set to a lithium type, it features a fast wake-up function for over-discharged batteries, eliminating the need for a new controller. Battery Compatibility and Maintenance: Compatible with a wide variety of 12V or 24V batteries, including SLD, FLD, GEL, AGM, SLA, lithium iron phosphate, ternary lithium, and lithium titanate. Additionally, it supports programming solar charge controllers for optimal charging and maintenance of various batteries. The solar panel conditioner is your reliable battery maintenance tool. Solar Panel Regulator: With a maximum PV input voltage of 55 volts, this solar panel regulator can handle 300 watts of input power for a 12-volt battery system, or 600 watts of input power for a 24-volt system. Neat and Secure Wiring: Equipped with three pairs of spade terminals, they easily and securely clamp wires, ensuring neat wiring. First, turn the screwdriver counterclockwise to open the wire clamp hole. Connect the battery first, then the positive wire, and then the negative wire. After that, connect the controller to the solar panel. Do not disconnect the battery while the solar panel is operating.