Unique 2-in-1 combination of a "no lies" battery load tester & an advanced diagnostic charger for all 12V lead-acid batteries of 2 to 45Ah rated capacity. The charging circuit automatically recognises sulphated batteries & acts to recover them, & also incorporates a unique self-adaptive programme for the vital correct first "commissioning" charge for new sealed MF /AGM motorcycle batteries. A must-have tool for workshops servicing scooters, motorcycles, ATVs, snowmobiles & ride on mowers.