The Storage Battery Systems SBS-2206S DC Load Bank 250V DC 0-60 Amp discharge tests and load tests stationary batteries as recommended. Displays the voltage, current and Ah removed from the string during the test. Since this is a constant current load bank, the user also does not have to adjust the current during the test. These load banks come standard with multiple adjustable stop points and built-in protection to ensure that the batteries are never damaged due to over-discharge. Automatically discharges batteries unmanned without danger of over-discharging.