SG230 Battery Monitor Kit N2K BT Gateway Color Display 12-48VDCN2K Version, connect to an existing N2K network to provide real-time data on the network, including: Voltage, SoC, SoH, Time Remaining, and Current. Incluses N2K Adapter cable.Features:Learns and displays all critical battery parametersSupports for all common battery chemistries and voltagesIntelligent, self-calibrating accuracyLarge, bright, color displayExpandable architectureIncludes Display Shunt GatewayThis product may not be returned to the original point of purchase. Please contact the manufacturer directly with any issues or concerns.