Victron Energy
Top PickVictron BMV-712 Smart Battery Monitor
- Shunt
- Bluetooth
- ±500A
The battery monitor serious builders trust — a precision shunt and Bluetooth gauge that tells you true state of charge instead of a guess.
Best for Anyone who wants to actually know how much power is left, not estimate from voltage.
9.0/ 10 — Rival score
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Why we like it
- Shunt-based measurement is far more accurate than voltage guessing
- Bluetooth to the VictronConnect app for live data and history
- Programmable relay and second-battery voltage input
Before you buy
- Must be installed on the negative bus with all loads/charging through the shunt
- Set the battery capacity and Peukert values for accuracy
The quick verdict
The battery monitor serious builders trust — a precision shunt and Bluetooth gauge that tells you true state of charge instead of a guess.
Why it earns a spot
- Shunt-based measurement is far more accurate than voltage guessing
- Bluetooth to the VictronConnect app for live data and history
- Programmable relay and second-battery voltage input
Before you buy
- Must be installed on the negative bus with all loads/charging through the shunt
- Set the battery capacity and Peukert values for accuracy
Specs and prices change — always confirm the current listing before you buy or wire anything.