DC to DC Battery Charger 520W 40A Fast Charging Compatible with LiFePO4 Lead-Acid AGM GEL Batteries for RVs Cars Home Backup Power

This DC to DC Battery Charger is perfect for RVs, cars, and home backup power, providing fast and efficient charging for various battery types.

• Fast Charging Performance with up to 40A and 520W, achieving 94% conversion efficiency.
• Emergency Reverse Charging feature to prevent getting stranded by allowing charging from an auxiliary battery.
• Broad Battery Compatibility with LiFePO4, Lead Acid, GEL, AGM, and Calcium batteries, compatible with over 95% of portable power stations.
• Supports four charging modes: 12V to 12V, 12V to 24V, 24V to 12V, and 24V to 24V for versatile use.
• Reliable Charging Protection with built-in cooling fan and multiple safety features to extend battery life.

• Input Voltage: 12/24V
• Output Current: Up to 40A
• Power Output: 520W
• Efficiency: Up to 94%

• 1 x DC to DC Battery Charger
• 2 x DIP Switch Keys
• 1 x User Manual