Thunder 20A 8 Stage Battery Charger

With a heavy duty, water resistant design, the 20 amp battery charger features a comprehensive LED display and utilises a fully automatic computer control system to charge most 12 volt GEL, AGM, Lead Acid and Calcium batteries. Suitable for 35-350Ah and 450Ah for maintenance (650 to 800CCA), the sophisticated8 stage charger features pulse mode technology which reduces oxidation, maintains electrolyte consistency and combats stratification in the battery, to provide longer battery life.