BougeRV MPPT 40 Amp Solar Charge Controller with Auto Parameter Adjustable LCD Display, 12V/24V DC Input Solar Panel Regulator fit for Gel, Sealed, Flooded and Lithium Battery Supporting for Your RV

Key features

• 【RV dedicated MPPT controller】: Negative ground designed for RV. Better protection of LCD readings while protecting the controller, and modification of controller parameters is supported.
• 【Charge Smarter】:Due to an advanced digital power technology,the circuiit energy conversion effciency is as high as 98%.Automatically detects 12V or 24V DC system voltages. Compatible with various Deep Cycle battery options: Sealed, Gel, Flooded, and Lithium.
• 【Efficient MPPT&Weather resistance】:Rated charging current:40A Operating temperature:-35℃～+45℃. It has a big heatsink on the back, but even in 45 degree weather it hasn't become warm, which is a great indicator of its high efficiency. The charger is efficient in charging your battery. It helps that battery can be charged up quickly,even when the weather isn't ideal (ie cloudy rainy days).
• 【Electronic protection】:Electronic protection against reverse polarity, overcharging, over-discharging, overload, short-circuiting, and reverse current.
• 【Electrical Parameters】:System voltage:12V/24V Auto Battery voltage:9V～35V Wire specifications:20-6AWG Size:183*127*65mm Max.PV input power:520W/12V&1040W/24V