Victron Energy Battery Temperature Sensor for Quattro & MultiPlus — spare probe with real-time battery readings

The Victron Energy Temperature Sensor is a dedicated battery-temperature probe that connects to Victron Quattro, MultiPlus inverter/chargers and GX devices to help adjust charging and protect battery life.

Designed as a direct replacement or spare part for Victron systems, this compact temperature sensor plugs into the dedicated temperature input on compatible inverter/chargers and GX monitors (Cerbo GX, Venus GX, etc.). By providing real-time battery temperature readings, the sensor enables the system to adapt charging current and capacity estimates based on ambient and battery conditions. That helps the charging algorithm compensate for temperature-related capacity changes without the need for manual adjustments.

How does the sensor affect charging performance?

Charging profiles and allowable charge current change with battery temperature. By feeding accurate temperature data to the inverter/charger or GX device, the Victron sensor allows the system to reduce or increase charge current and modify float/absorption stages as needed.

• Connected directly to the dedicated temperature input on Quattro and MultiPlus units.
• Provides live temperature measurements used by charging algorithms.
• Helps limit charge current at low temperatures to prevent battery stress.
• Enables higher charging efficiency at optimal temperatures.

Where and how is the probe installed on a battery bank?

The probe mounts to either battery pole or against the battery case depending on the installation method recommended by Victron. It uses a simple wired connection to the inverter/charger or GX controller and is sized for straightforward placement within typical battery compartments.

• Attach directly to a battery pole or secure to the case for consistent readings.
• Route the cable to the Victron device’s temperature input without tight bends.
• Use as a replacement sensor or add to systems that support an external temperature input.
• Keep probe clear of heat sources unrelated to the battery (inverter heat, engine bays) for accurate readings.

Which Victron devices are compatible with this temperature sensor?

This sensor is compatible with Victron Quattro and MultiPlus inverter/chargers that include a temperature sensing input, and it also works with GX monitoring devices such as the Cerbo GX and Venus GX. It serves as a spare part for models that expect an external battery-temperature probe.

• Designed to connect to Victron Quattro inverter/chargers.
• Compatible with Victron MultiPlus inverter/chargers.
• Works with GX series monitors: Cerbo GX, Venus GX and similar units.
• Intended as a factory-style replacement or OEM spare part.

Who is this for? The Victron Energy Temperature Sensor is aimed at boaters, RV owners, off-grid homeowners and integrators using Victron Quattro or MultiPlus systems who need accurate battery temperature feedback to optimize charging and protect battery longevity. It’s useful when replacing a lost or damaged probe, upgrading monitoring capabilities with a GX controller, or simply ensuring the battery bank is charged under the correct temperature-compensated profile. Installers and DIYers who follow Victron mounting and routing recommendations will get reliable performance from this compact, system-integrated sensor.