Key Features The system is modular and easy to configure for different power system On-line measurement of battery impedance, voltage and current 24* 7 automatic cell voltage test and alarm Intelligent data analysis Remote monitoring Key Functions Monitoring Items Cell Voltage Cell Internal Resistance String Voltage String Charge & Discharge Current String Ambient Temperature Alarm Items String Charge Voltage High/ Low Discharge Current High ( Optional) Charge Current High ( Optional) String Over-discharge Cell Charge Voltage High/ Low Cell IR Over Limit Cell Over Discharge Cell Short Circuit Cell Open Circuit Technical Specifications Measurement range/ tolerance Nominal cell/ module voltage: 1-12 VDC. Cell voltage: 0 to 16V, 0.2% of reading ± 1 mV. Cell resistance: 0 to 32, 000 ¼ , 3% of reading ± 1 ¼ . Internal resistance: 0 to 5 m, 5% of reading ± 5 ¼ . Temperature: 0° C to 80° C ( 32° F to 176° F) ± 1° C. Discharge current: 0 to 4, 000A 0.1% of reading ± 1A ( shunt) , ± 5% of full scale ( CT) . Communication RS485 ModBus. Working condition Operating temperature: 0° C to 80° C ( 32° F to 176° F) Weight H3G-S module: 4.0KG. Dimensions Control module: 482mm ( W) * 89mm ( H) * 165mm ( D) .