The LinkPRO can measure currents up to 10,000 amps, LinkLite measures currents up to 1,000 amps. Selectively displays voltage, charge and discharge current, consumed amp hours, remaining battery capacity and the time remaining of your battery bank. Features:Provides critical information about the status of your battery bank Secondary battery bank voltage monitoring Auto sensing battery voltage inputs Large backlit LCD Display 500 Amp shunt included CE and e-mark certified Communication/expansion port Stores a wide range of history events in internal memory Advanced programmable alarm relay to run a generator when needed or to turn off devices when the battery voltage exceeds programmable boundaries. Battery temperature sensor input