Intelligent battery-to-battery charger with solar input, designed to automatically charge one 12V battery / battery bank from another 12V battery / battery bank with its own energy source (e., g. Ideal for motorhomes or boats that may be parked without mains hook-up. Function: This powerful, high-quality battery to battery charger can charge a 12V battery from another 12V battery with its own power source, or from a solar panel using its built-in solar input, at up to 20A. The fully-automatic battery charger uses an intelligent, multi-stage charging program that can be set to a wide variety of battery types using easy, one-button programming and features a... Max charging current of 20A. Automatically charges one 12V battery / battery bank by drawing energy from another 12V battery / battery bank with its own energy source (e. Automatic 9-32V 25A 3 Stage DC/Solar Battery Charger by Projecta - Intu 4x4 20A 12V DC to DC Dual Battery System Charger with Solar Input – Off Grid Living Supplies This charger can be easily integrated or retrofitted into any 12V system, allowing the user to transform a single battery system into a dual battery charging system. Suitable for 12V lead acid, lithium-ion or calcium batteries, with a capacity of 18-250Ah. Easily integrated or retrofitted into existing 12V systems, transforming a single battery charging system into a dual battery system. Leisure Battery Charger ATEM POWER 12V 60A MPPT Solar Charger DC TO DC On-Board Battery Charger For 4WDs, RVs, Campers, Trailers Multi-Protection OnBoad - 15 Solar Panel Charger Suitable for 12V lead acid, lithium-ion or calcium batteries, with a capacity of 18Ah or greater.