These Odyssey battery chargers have been designed to optimise the life and performance of Odyssey batteries and are also suitable for other brands of absorbed glass mat (AGM) type batteries. The chargers are fully automatic in operation and have polarity protection as well as being short circuit proof for peace of mind.Designed for us with absorbed glass mat (AGM) batteries such as the Odyssey rangeA range of different chargers to suit batteries of differing capacitiesIP67 classified (waterproof for outdoor use)No sparking, short circuit proof and polarity protected to prevent any damage to the charger when connecting to the batteryFully automatic to provide optimal charging for the battery to prolong the life and performanceLED indicator provides a visual reference to the charge status of the battery