DC Electronic Loads• 0.1V min. operating voltage 5mO min. input resistance Overcurrent, overvoltage, overpower, and overtemperature protection Trigger events created by front keypad, back TTL signal, or software Operating modes include CC, CV, CR, CP Battery test mode (provides Ah rating)Units can operate in constant current, constant resistance, constant voltage, and constant power modes, in parallel or series. Capable of saving up to 400 measurements. Battery test mode provides A/hr. rating. Include RS-232 to TTL cable, USB to TTL cable, and software.