30A 12V DC to 12V DC Advanced Automatic Multi-Stage Battery-to-Battery Charger with 20A MPPT solar input and 20A Fridge output for Lead Acid and Lithium Batteries

30A DC to DC battery charger with 20A MPPT solar input and 20A fridge output is designed for fast charging of a 12V battery / battery bank from either solar power or another 12V battery / battery bank with its own energy source.