Autoselect Technology: select the application & the charger will do the rest, 4 stage charging technology provides a fast charge without the risk of overcharging & overheating, Engine start allows to jump start a vehicle with flat battery in 90 seconds, Reverse polarity protection prevents sparks & reverse polarity damages to the battery & the vehicles electronics, Digital Diagnostic Microprocessor for continuous monitoring of battery conditions, Float mode maintains the battery fully charged indefinitely so it is always ready for use, Suitable for diesel & petrol engines & batteries up to 360 Ah (all types of lead acid batteries including gel, wet & agm).