Motorcycle car battery chargerMicroprocessor Control (CPU). 3 STAGE AUTOMATIC CHARGING: This is a fully automatic battery charger with 3 charge stages. Automatic charging protects your battery from being overcharged. So you can leave the charger connected to the battery indefinitely. 3 stage chargers are suitable for most battery types including Calcium, Gel and AGM, Wet batteries. They may also help restore drained and sulphated batteries. Types of batteries: Most types of lead