The CTEK MXS 3.8 battery charger is an advanced microprocessor controlled battery charger with patented Float/Pulse maintenance for use on batteries from 1.2Ah up to 85Ah. The CTEK MXS 3.8 battery charger solves a broad range of battery problems and is the ideal charger for everyday use. Features of the MXS 3.8 include diagnosis of battery condition to establish if it can receive and retain charge, patented automatic DE sulphation programme and a special "Snowflake" mode for optimum charging on cold winter days. Patented Float/Pulse maintenance means the CTEK MXS 3.8 battery charger ideal for long-term maintenance. The entire process of battery testing, charging and maintenance is easily followed on the clear LED display.