40A Solar + Alternator Charger for RV - MPPT DC to DC Lithium/Gel Battery Charger with Dead Battery Revival, 670W Input, Bluetooth Control

Description

🔋 Power Up Your Adventure — Never Get Stranded Again!

This 40A MPPT DC to DC charger intelligently revives dead LiFePO4 and Gel batteries, supports up to 670W solar input, and charges with 93% efficiency. Designed for RVs and boats, it seamlessly switches between alternator and solar power, reduces fuel costs by 25%, and offers Bluetooth app monitoring for effortless control. Built tough for extreme environments, it installs quickly and keeps your off-grid lifestyle powered and worry-free.