This compact charger is suitable for all lead acid type and Lithium (LiFePO4) type batteries. It will charge 6V/12V cells using a 6-stage charging circuit. The circuitry automatically diagnoses the battery state and delivers the appropriate charge current to maintain optimum performance. The charger may be permanently connected without overcharging or damaging the battery, which is ideal for seldom used vehicles. Package Contents 1x Battery charger 1x Operating instructions 1x Cable with battery clamps 1x Cable with o-ring connectors 1x Cable with cigarette lighter plugFeatures Short circuit and reverse polarity protected Overheating protection Includes car accessory socket lead, battery clamps and ring terminal lead Suits 12V cells Defective cell detection Trickle charge function IP65 rated