This is a Hawker PowerTech charger. This unit is 36v, has up to 200A output, and a battery AH range of 450-1200 AH. POWERTECH™ is a high-frequency IONIC smart charger. POWERTECH™ assesses each battery’s charging requirements through its patented IONIC smart charging technology. POWERTECH™ is designed to save you money on utilities, watering, and battery life.