... With strongpoint such as fast speed, high efficiency, unattended, non over charge etcD. Charging current: 0-40A adjustable. When in constant ... current charging status, the current is constant. No need manual adjustment.E. AC ... 5A,8A,11A,15A,19A,23A,27,31A,35A,40A charging current optional Charge processConstant current—(constant voltage) equal ...