Sold by CTEK, the MUS 4.3 Polar Cold Weather Battery Charger has been specially developed to offer excellent all-around charging with special cold weather performance and adapted AC and DC cables to handle severe cold down to -22¦F (-30¦C). The MUS 4.3 Polar Cold Weather Battery Charger is an advanced microprocessor controlled battery charger providing unrivaled performance on batteries from 1.2Ah up to 110Ah. Features include the ability to diagnose a battery's condition to establish if it can receive and retain a charge, a patented automatic desulphation program, and a special reconditioning function that will revive and restore deeply discharged and stratified batteries. Snowflake mode ensures ideal charging performance even in the most extreme cold conditions. Patented Float/Pulse maintenance makes it ideal for long-term maintenance. The entire process of battery testing, charging, and maintenance is easily followed on the clear LED display. The MUS 4.3 Polar Cold Weather Battery Charger is a fully automatic connect and forget 12V charger with eight charging steps and offers selectable 0.8A and 4.3A programs. The Recond and Snowflake modes operate individually or together in both 0.8A and 4.3A programs providing great flexibility for the user. It has a wide charging range on all lead-acid battery types from 1.2Ah up to 110Ah with additional maintenance capability to 160Ah. Splash-proof and dust-proof (IP65), it is easy and safe to use, protects vehicle electronics, spark-free, reverse polarity protected, and short circuit proof. This product carries a five-year warranty. Alligator clamps and eyelets included.