Product Description 520W 40A DC to DC Charger, Power Your Adventures This charger delivers up to 520W 40A fast charging and supports solar panel input for backup power with MPPT function. It features emergency reverse charging, 12V/24V-12V/24V wide-voltage, and 2 DIP switch keys. Compatible with LiFePO4, Lead-acid, GEL, and AGM batteries and 95% of power stations. LED Indicator The DC to DC charger features an intuitive LED indicator that provides real time charging status at a glance. XT60 Quick-Connect Cable This DC to DC battery charger includes an XT60 quick-connect cable for fast and secure wiring. Two DIP Switch Keys Included Comes with 2 DIP switch keys, the DC to DC charger easily switches battery types to match your setup. Easy Installation This DC to DC charger includes an XT60 quick-connect cable for fast and secure wiring, allowing you to connect and start charging with minimal effort. Wide Application This DC to DC charger is ideal for RVs, cars, boats, and trucks. It makes outdoor charging easy and reliable, whether you are traveling, working, or enjoying time off-grid. Multiple Protections This DC to DC charger features overvoltage, undervoltage, reverse polarity, over-temperature, and short circuit protection to help extend battery life and ensure secure charging operation. Specifications Item Model Number: C40AMPPT Input Voltage: 12V/24V Charging Voltage: 12.6V-29.4V Charging Current: 40A Max Output Power: 520W Package Content 1 x DC to DC Charger 2 x DIP Switch Keys 1 x User Manual