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If you're hardwiring downstream of an existing GFCI-protected circuit
The 2x120V split-phase output is the key feature — most US RVs with 50A shore power
Same accuracy as the BMV-712 in a compact shunt-only package
20A of multi-stage battery charger
Victron SmartShunt 300A/50mV Battery Monitor — Bluetooth, 6.5–70V (No Display) 48v telecom Every Jonsson Tech orderThe Victron SmartShunt 300A is the compact, budget friendly battery monitor in the SmartShunt family sized for smaller 12V systems where peak current stays under 300A. Same Victron measurement firmware and same 0. 4% accuracy as the larger shunts, in a smaller, cheaper package. Ideal for van builds, small RVs, day sailing boats, and modest off grid installs. No display your phone is the screen via Bluetooth and the free VictronConnect app. View real
