T-Trees FT08 RC 150A Watt Meter Power Analyzer With Backlight LCD Hight Precision Handles 0 to 60 volts. Works on 12, 24, 36, and 48 volt battery bank systems Extremely low power consumption of 6 mA. More efficient than any LED meter Digital LCD screen gives clear crisp number readings Handles up to 150 amps intermittently and 75 amps continuous duty Connecting load end to the battery provides real-time battery charging reading