The SmartShunt 500A/50mV is a high-precision shunt from Victron Energy designed for use in monitoring and measuring battery current in renewable energy systems. The SmartShunt features a compact and rugged design that is easy to install and compatible with a wide range of battery types, including lead-acid, lithium-ion, and gel batteries. The shunt has a high accuracy of 50mV, which allows for precise measurement of the current flowing in and out of your battery bank.