... current:40A, 8S(+-2S) auto blackout.b, DC steady voltage output: 1.5V-24V, rated current>2A, with ammeter direction, the ... with auto overcurrent protection, reset buttonc, AC low voltage output: 2V-24V, rated current>6A, with ammeter direction, the accuracy not ... , with auto overcurrent protection.b, DV steady voltage output, 1.5V-24V, adjustable consecutively, with ammeter direction, the accuracy not ...