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Victron Temperature Sensor (Cerbo/Ekrano GX & MultiPlus/Quattro)

Temperature-compensated charging for MultiPlus, Quattro & GX devices


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DESCRIPTION

Please note: Not suitable for BMV-7X2 series.

Victron Temperature Sensor for Precision Battery Management

Optimise Charging and Protect Your Power System with Accurate Temperature Monitoring

The Victron Temperature Sensor (ASS000001000) is a purpose-built accessory that enables temperature-compensated charging and real-time thermal monitoring across Victron Energy systems. By feeding precise battery temperature data to your inverter/charger or GX device, it helps maintain optimal charging voltages, extends battery service life, and reduces the risk of thermal runaway in lithium banks. This sensor is an essential component for anyone seeking reliable, automated energy management in mobile, marine, or off-grid installations.

Unlike generic sensors that may lack proper calibration or ruggedness, this Victron sensor is engineered for seamless integration with MultiPlus, Quattro, and the Cerbo GX, Ekrano GX, and Venus GX platforms. It also supports VE.Can MPPT solar charge controllers, Lynx Shunt VE.Can, and Skylla-series chargers, making it a versatile addition to complex energy setups. The sensor’s ring terminal design allows direct mounting to a battery terminal, ensuring rapid thermal response and stable readings.

Key Features

  • Temperature-compensated charging adjusts voltage based on real-time battery temperature, improving charge efficiency and longevity
  • Wide compatibility with MultiPlus, Quattro, Cerbo GX, Ekrano GX, Venus GX, VE.Can MPPTs, Lynx Shunt VE.Can, and Skylla chargers
  • Rugged, compact design with an integrated ring terminal for secure battery post attachment and reliable thermal contact
  • Extended temperature range from -20 °C to +70 °C, suitable for engine rooms, outdoor enclosures, and harsh climates
  • Simple installation via ferrule-terminated conductors that plug directly into GX device or inverter/charger inputs
  • Customisable cable length allows you to shorten or extend the lead to suit your installation layout

Why Temperature Sensing Matters

Battery chemistry is highly sensitive to temperature. Lead-acid batteries require voltage compensation of approximately -16 mV/°C per 12V cell to avoid overcharging in heat or undercharging in cold. Lithium batteries demand precise thermal limits to prevent charging below 0 °C, which can cause irreversible damage. The Victron Temperature Sensor provides the data your Victron system needs to automatically apply these corrections, safeguarding your investment and maximising usable capacity.

In systems without temperature sensing, chargers operate on fixed voltage setpoints. This can lead to chronic undercharging in winter, reducing available amp-hours, or accelerated grid corrosion and water loss in summer. By integrating this sensor, you eliminate that guesswork and let your Victron equipment dynamically adapt to environmental conditions.

Seamless Integration with Victron GX Devices

When connected to a Cerbo GX, Ekrano GX, or Venus GX, the temperature sensor appears as a data source in the VRM portal and on the GX Touch display. You can set up alarms, trigger relays, or adjust charging parameters based on temperature thresholds. This level of control is invaluable for unattended sites, marine vessels, and remote off-grid cabins where battery health directly impacts reliability.

Installation and Compatibility Notes

The sensor is not calibrated at the factory and carries an expected deviation of ±2 °C, which is sufficient for charge compensation and safety monitoring in most applications. It is not designed for prolonged exposure above 70 °C, so avoid mounting it directly on engine blocks or exhaust components. The cable can be shortened or extended using standard wiring practices; ensure connections are secure and protected from moisture.

This sensor is not compatible with the BMV-7X2 series battery monitors, which use a different sensing input. For those devices, please refer to the dedicated BMV temperature sensor accessory.

Applications

  • Marine and RV house banks where ambient temperatures fluctuate widely
  • Off-grid solar systems using Victron MultiPlus or Quattro inverter/chargers
  • Telecom and industrial backup power requiring automated thermal management
  • Lithium battery installations needing low-temperature charge protection
  • VE.Can MPPT solar charge controllers for temperature-adjusted absorption and float voltages

Protect Your Power System with Precision

Add the Victron Temperature Sensor to your energy setup and enable your Victron equipment to make smarter, safer charging decisions. Whether you are commissioning a new off-grid system or retrofitting an existing installation, this sensor delivers the thermal insight needed to extend battery life and improve overall system reliability.


SKU: Vic-ASS000001000

SPECIFICATIONS

Specifications

Victron Part NumberASS000001000
Compatible WithTemperature Sensor For Quattro, MultiPlus and GX Device
Temperature Range-20 °C to +70 °C
Maximum Measurable TemperatureUp to 100 °C; not made to withstand temperatures above 70 °C long term
CalibrationNot calibrated
Expected Deviation+/- 2 °C
VE.Smart NetworkingNo
Modifying Cable LengthYes

SKU: Vic-ASS000001000
Barcode: 8719076019176
Model #: ASS000001000
MPN: ASS000001000

WARRANTY

Victron Energy Limited Warranty Policy

Victron Energy warrants its products to be free from defects in workmanship and materials for a period of 5 years from the date of purchase by the end user, with a maximum of 66 months from the Victron Energy invoice date. Exceptions on this are: lead acid batteries; 2 years from date of purchase by the end user, with a maximum of 30 months from the Victron Energy invoice date, Lithium-ion batteries; 3 years from date of purchase by the end user. In addition to this proof of correct battery usage is required when making a battery warranty claim.

During this period, Victron Energy will, at its option, repair or replace the defective product free of charge. The warranty does not include performing or reimbursing de‐installation, transportation and re‐installation. This warranty will be considered void if the unit has suffered any physical damage or alteration, either internally or externally, and does not cover damages arising from improper use like: • Reverse of battery polarity. • Inadequate connection. • Mechanical shock or deformation. • Contact with liquid or oxidation by condensation. • Use in inappropriate environment (dust, corrosive vapor, humidity, high temperature, biological infestation...). • Breakage or damage due to lightning. • Connection terminals and screws destroyed or other damages, like overheat, due to insufficient tightening. • For any electronical breakage except due to lightning (reverse polarity, over‐voltage due to external cause), the state ofthe internal control diode and of the inputs/output X and Y capacitors determine the warranty.

This warranty will not apply where the product has been misused, neglected, improperly installed, or repaired by anyone else than Victron Energy or one of its authorized Qualified Service Partners. In order to qualify for the warranty, the product must not be disassembled or modified.

Repair or replacement are our sole remedies and Victron Energy shall not be liable for damages, whether direct, incidental,special, or consequential, even caused by negligence or fault.

Victron Energy owns all parts removed from repaired products. Victron Energy uses new or reconditioned parts made by various manufacturers in performing warranty repairs and building replacement products. If Victron Energy repairs or replaces a part of a product, its warranty term is not extended. In case of replacement the new component has a warranty of 6 months, without effect on the initial warranty period. All remedies and the measure for damages are limited to the above. Victron Energy shall in no event be liable for consequential, incidental, contingent orspecial damages, even if having been advised of the probability of such damages. Any and all other warranties expressed or implied arising by law, course of dealing, course of performance, usage of trade or otherwise, including but not limited to implied warranties of merchantability and fitness for a particular purpose, are limited in duration to a period of two (2) years from the date of purchase.

Life Support Policy As a general policy, Victron Energy, does not recommend the use of any of its products in life support applications where failure or malfunction of the Victron Energy's product can be reasonably expected to cause failure of the life support device or to significantly affect its safety or effectiveness. Victron Energy does not recommend the use of any of its products in direct patient care. Victron Energy will not knowingly sell its products for use in such applications unless it receives in writing assurances satisfactory to Victron Energy that the risks of injury or damage have been minimized, the customer assumes all such risks, and the Liability of Victron Energy is adequately protected under the circumstances.

As a product requires service, it must be brought back to the place of purchase. In case no contact can be taken with the merchant, or if he is either unable or not allowed to provide service, direct contact should be taken with Victron Energy.

Warranty on Repairs The warranty period on products or on printed circuits boards repaired by Victron Energy as well as on printed circuit boards for replacement is 6 months from delivery by Victron Energy.

Transport It is the responsibility of the sender to sufficiently package these products. The transport must be organized in a way to avoid any damage, especially when a single unit or heavy unit is sent.

Severability If a part of the terms and conditions set out above is held invalid, void or unenforceable due to any particular national or international legislation, it shall not affect other parts of the terms and conditions remaining.

For Australia only Our goods come with guarantees that cannot be excluded under the Australian Consumer Law. You are entitled to a replacement or refund for a major failure and compensation for any other reasonably foreseeable loss or damage. You are also entitled to have the goods repaired or replaced if the goods fail to be of acceptable quality and the failure does not amount to a major failure.

Exotronic provides high-quality products and solutions tailored for B2B and commercial customers, including commercial businesses, caravan manufacturers, marine electricians, OEMs, as well as emergency services, and more.

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