Mastervolt MasterShunt 500 CZone

Mastervolt MasterShunt 500 CZone — Smart Battery Monitor Shunt

Premium 500A battery shunt with CZone and NMEA 2000 integration. Real-time voltage, current, state-of-charge, time-remaining, and power consumption monitoring. The premium tier battery monitor for builds that demand maximum precision and system integration.

Key Features

• 500A continuous current capacity — handles large LiFePO4 banks and serious inverter loads
• NMEA 2000 output for multi-display electrical monitoring
• CZone compatible — integrates with digital switching and system monitoring panels
• Works with any 12V or 24V battery bank — LiFePO4, AGM, gel, flooded
• Bluetooth-free, wired reliability — no smartphone dependency

When You'd Pick This Over the Victron BMV-712

The Victron BMV-712 is the van-build standard. The MasterShunt 500 is the upgrade pick for: (1) larger current draws, (2) NMEA 2000 system integration on multi-display builds, (3) CZone digital switching ecosystems. If you're building a simple van with a Victron solar controller, stick with the BMV-712. If you're building an integrated systems boat or a premium off-grid cabin with multiple displays, MasterShunt 500 is the right call.

Not sure what size battery bank you need? Use our free Power Station Size Calculator to size your system in under 2 minutes. Then use the System Build Helper to plan where the shunt sits in your wiring.