Sealey AUTOCHARGE400HF Compact Auto Smart Charger 4A 9-Cycle 6/12V - Lithium

Dual voltage smart charger/maintainer ensures that the battery is kept fully charged and ready-to-use for extended periods of time. Clear, easy-to-read digital display indicates the percentage charging level and the output current of the charger. Heavy-duty case with simple controls. Charges and maintains conventional lead acid, AGM/GEL and lithium batteries. Inbuilt reverse polarity protection.