A mains powered 4A intelligent battery charger for use on 6V and 12V automotive batteries. Fully automatic, it features a 10-stage charging cycle which monitors the state of the battery and adjusts the charging output to suit. Automatically drops to a trickle charge of <1 amp when the battery is fully charged (a separate maintenance mode is also available) to avoid overcharging. Suitable for use on cars, vans, motorcycles, and boats etc.