Xantrex XanLink™ Battery Monitor User Guide

Important Safety Information

⚠️ DANGER: HAZARD OF FIRE, ELECTRIC SHOCK, EXPLOSION, OR ARC FLASH

This XanLink™ Battery Monitor User Guide is in addition to, and incorporates by reference, the relevant product manuals for each product in the power system. After reviewing this guide, you must read the relevant product manuals. Unless specified, information on safety, specifications, installation, and operation is as shown in the primary documentation received with the product. Ensure you are familiar with that information before proceeding.

Failure to follow these instructions will result in death or serious injury.

Exclusion for Documentation

UNLESS SPECIFICALLY AGREED TO IN WRITING, SELLER (A) MAKES NO WARRANTY AS TO THE ACCURACY, SUFFICIENCY OR SUITABILITY OF ANY TECHNICAL OR OTHER INFORMATION PROVIDED IN ITS MANUALS OR OTHER DOCUMENTATION; (B) ASSUMES NO RESPONSIBILITY OR LIABILITY FOR LOSSES, DAMAGES, COSTS OR EXPENSES, WHETHER SPECIAL, DIRECT, INDIRECT, CONSEQUENTIAL OR INCIDENTAL, WHICH MIGHT ARISE OUT OF THE USE OF SUCH INFORMATION. THE USE OF ANY SUCH INFORMATION WILL BE ENTIRELY AT THE USER'S RISK; AND (C) REMINDS YOU THAT IF THIS MANUAL IS IN ANY LANGUAGE OTHER THAN ENGLISH, ALTHOUGH STEPS HAVE BEEN TAKEN TO MAINTAIN THE ACCURACY OF THE TRANSLATION, THE ACCURACY CANNOT BE GUARANTEED. APPROVED CONTENT IS CONTAINED WITH THE ENGLISH LANGUAGE VERSION WHICH IS POSTED AT HTTP://WWW.XANTREX.COM.

NOTE: Visit http://www.xantrex.com, click Products, select a Product category, select a Product, and search the Product Documents panel for a translation of the English guide, if available.

Contact Information

Telephone: +1-800-670-0707 / +1-408-987-6030

Email: https://xantrex.com/support/get-customer-support/

Web: http://www.xantrex.com

Copyright © 2025 Xantrex LLC. All Rights Reserved. All trademarks are owned by Xantrex LLC and its affiliates.

FCC / ISED Information to the User

This device complies with Part 15 of the FCC Rules / ISED Canada Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.

NOTE: This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC / ISED Canada ICES-003 Rules. These limits are designed to provide reasonable protection against harmful interference in a residential environment. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation.

If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and the receiver.
• Connect the equipment to a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

WARNING: Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment.

Introduction

The XanLink™ Battery Monitor enables precise tracking of battery performance and simplifies energy management via smartphones and multiplex systems. With Bluetooth connectivity ?, it delivers real-time updates on critical battery metrics—including state of charge (SOC), remaining runtime, and performance history—directly to your smart phone. It uses RV-C and NMEA 2000 communication protocols to seamlessly integrate with multiplex systems, displaying battery data directly on the onboard control panel.

Compatible with 12V, 24V, 36V, and 48V battery systems, XanLink supports a wide range of battery types, including sealed lead-acid, gel, flooded, and lithium batteries. It can measure up to 500A of charge and discharge currents, combining low power consumption with robust safety features.

Designed with an intuitive user interface, the XanLink is easy to install and operate, even in challenging environments. Whether monitoring a single battery or managing a complex system with multiple power sources, the XanLink provides the insights and control needed to optimize battery health and overall system performance.

What's in the box

The following items are included:

• A: XanLink unit
• B: Quickstart guide
• C: Main battery sensing cable
• D: Starting battery sensing cable

Diagram Description: A diagram shows the XanLink unit (A), a Quickstart guide booklet (B), a red sensing cable with a ring terminal (C), and a gray sensing cable with a ring terminal (D).

Features

• Versatile Battery Compatibility: Suitable for sealed lead-acid, AGM, gel, flooded (open), and lithium batteries, supporting 12V, 24V, 36V, and 48V systems.
• High-Precision Monitoring: Utilizes advanced current sampling technology to measure up to 500A charge and discharge currents with high precision.
• Advanced SOC Algorithm: Tracks battery state of charge (SOC), estimates remaining runtime, and calculates cycle count for comprehensive battery health management.
• Customizable Capacity Settings: Allows easy configuration of battery capacity to match your specific system requirements.
• RV-C Communication: Supports RV-C for advanced networking and system integration with multiplex systems.
• vNMEA 2000 Communication Interface: Provides a built-in Micro-C connector for seamless integration with NMEA 2000-compatible systems.
• Bluetooth Connectivity: Enables real-time monitoring of operating status and battery parameters without the need for additional hardware or an external dongle.
• Integrated Alarm System: Provides configurable alerts via Xantrex App for low SOC, high and low voltage, and overcurrent conditions, enhancing system protection.
• Firmware Update via Bluetooth: Enables firmware updates directly through Bluetooth, providing a convenient, wireless solution for keeping your XanLink up-to-date.
• Comprehensive Battery Health Monitoring: Monitors key battery parameters in real-time, including state-of-charge (SOC), voltage, current, temperature, charging and discharging. Tracks lifetime metrics such as charge cycles, deep discharge, and energy consumption.
• Battery Performance History: Stores and provides access to historical battery data, including charging and discharging time durations, minimum and maximum battery voltage, charged and discharged amp-hours (Ah), charged and discharged power (kWh), and minimum and maximum starter battery voltage.
• Configurable Alarm System: Provides configurable alarms for critical conditions, including low state of charge (SOC) alarm, overcurrent alarm, high and low voltage alarm, high starter battery voltage alarm, and low starter battery voltage alarm.

Components

The XanLink unit and its associated cables are detailed below:

Diagram Description: An illustration shows the XanLink unit with labels A through E pointing to various ports and terminals. A mounting flange (F) is shown. A separate green connector (G) is depicted, along with two pin terminals (H, I) and two sensing cables (J, K).

Details

Installation

⚠️ WARNING: HAZARD OF FIRE, ELECTRIC SHOCK, EXPLOSION, AND PERSONAL INJURY

• Do not allow the exposed metal part (negative terminal) to contact the battery's positive terminal, conductive materials, or earth ground.
• Do not touch the exposed metal. Surface can reach up to 70°C ?️.
• Install the unit in a well-ventilated area away from direct sunlight, high temperatures, and water intrusion.
• Mount the unit securely using appropriate screws to prevent movement or damage.
• Connect all wires according to the provided wiring diagram.
• Configure all necessary parameters using the Xantrex App after wiring to ensure proper operation.
• Follow national and local electrical codes for all wiring and installations.
• Use wires rated for the current, following the guideline of 5A per mm² or equivalent.
• Inspect the unit and connections for damage or wear before use.

Failure to follow these instructions can result in death or serious injury.

Main Battery Installation

Step 1: Connect a battery cable from the Main battery's negative (-) terminal to the XanLink's Battery - terminal.

Diagram Description: Shows a main battery connected via a cable (C) with a fuse/breaker to a charger/load (D). The negative terminal of the battery connects to the negative terminal of the XanLink unit (B). Busbar A (negative) and Busbar B (positive) are also shown.

Torque Specifications

NOTE: For all other torque settings, see the battery manufacturer's torque specifications.

Step 2: Connect the DC cables from XanLink's Load - terminal to Busbar A and from Busbar A to the Charger/Load (D).

Diagram Description: Illustrates the connection of the XanLink's Load (-) terminal to Busbar A, and Busbar A to the Charger/Load unit (D). A warning icon indicates a hot surface.

Step 3: Take the Main battery sensing cable (provided) and connect the ring terminal to the positive (+) terminal on the Main battery.

Diagram Description: Shows the red main battery sensing cable being connected to the positive terminal of the main battery. A hot surface warning is present.

Step 4: Connect the Main battery sensing cable connector to the XanLink's 2-pin port.

Diagram Description: Shows the connector of the main battery sensing cable being plugged into the 2-pin port (D) on the XanLink unit. A hot surface warning is present.

If you are setting up a starting battery, skip this step and continue to Optional Installation - Starting Battery.

Monitoring the Main Battery

The XanLink™ Battery Monitor enables real-time monitoring of the Main battery's performance, providing insights into the state of charge (SOC), real-time voltage and current, remaining usage time, capacity, protection alarms, and more.

Connecting to the Xantrex App

1. Download and install the Xantrex App on your mobile device. ?
2. Pair XanLink with the Xantrex App via Bluetooth ?.
3. When prompted with a pairing request, enter the pairing code: "12345678".
4. Tap Devices, select the XanLink. The Status screen appears.
5. Tap the Settings page.
6. If you have not done so already from the Quickstart Guide, configure the Main battery system parameters first. Proceed to Configuring the Main Battery.

App Screenshot Description: Shows a mobile phone displaying the Xantrex App Status screen with battery status (100% Charging), remaining time, voltage, current, consumed Ah, and remaining capacity. Below are navigation icons for Devices, Status, Alerts, and Settings. QR codes for App Store and Google Play are also depicted.

Configuring the Main Battery

Set the Battery capacity, Charged voltage, and Discharge cut-off voltage to match your installed battery's specifications using the table below:

Parameter Configuration

Set these other parameters in the Xantrex App to optimize performance:

• Battery capacity: Input the actual capacity of the battery.
• Charged voltage: Set the upper voltage limit based on the battery type.
• Discharge cutoff voltage: Set the lower voltage limit based on the battery type.
• Tail current: Set the charging current threshold for 100% SOC detection (typically 4% of the battery capacity).
• Charged detection time: Specify the duration for confirming 100% SOC during charging (default is 1 minute).
• Battery SOC: If the SOC is known, manually input the current value for accurate monitoring. If not set, the monitor will update automatically using its internal algorithm.
• Allowed discharge depth: Define the SOC associated with the discharge cut-off voltage (default is 5%).
• Zero current calibration: ⚠️ Use with care. Re-calibration is rarely needed. Disconnect the Load - terminal and perform calibration to record the current value as zero.
• Reset to Factory Default Settings: Erase saved settings and restore all settings to factory default values.

App Screenshot Description: Shows the Xantrex App Settings screen with fields for Battery capacity, Charged voltage, Discharge cutoff voltage, Tail current, Charged detection time, Battery SOC, Allowed discharge depth, Zero current calibration, and Reset to Factory Default Settings.

Alarm Settings

Configure alarms to enhance battery protection and ensure system reliability:

• Low SOC alarm: Activates when SOC drops below the set value and clears when it recovers above the set threshold.
• Overcurrent alarm: Triggers when charge/discharge current exceeds the set value and clears when it falls back within limits.
• High voltage alarm (for the Main battery): Activates if voltage exceeds the set value and clears when voltage drops below the threshold.
• Low voltage alarm (for the Main battery): Triggers when voltage drops below the set value and clears when it recovers above the threshold.
• High starter voltage alarm: Turns on if the Starting battery voltage exceeds the set value and clears when it falls back.
• Low starter voltage alarm: Activates if the Starting battery voltage drops below the set value and clears when it rises above the threshold.

App Screenshot Description: Shows the Xantrex App Settings screen displaying the ALARMS section with options for Low SOC alarm, Overcurrent alarm, High voltage alarm, Low voltage alarm, High starter voltage alarm, and Low starter voltage alarm, each with an 'Off' toggle.

Analyzing Main Battery Data

The History tab under the Status screen displays historical battery data, helping you manage your battery and energy needs more effectively.

1. Tap Status.
2. Tap History.

History is divided into four sections:

• Data Metrics: You can choose different parameters to display and analyze. See Chart Types.
• Range: You can choose between the last 7 days or the last 30 days of accumulated data.
• Chart: Displays the chart plotted according to the Data Metrics and Range.
• Summary: Displays six data categories that sum up the following: Total discharged energy (in kWh and Ah), total charged energy (in kWh and Ah), total running days, total charge cycles, number of full discharges, and synchronizations.

App Screenshot Description: Shows the Xantrex App History tab with a chart displaying 'Charging time [min]' and 'Power consumption time [min]' over several days. Summary data for total discharged and charged energy is also visible.

Chart Types

To plot and display a chart:

1. Tap the Data Metrics pulldown menu.
2. Tap your selected Data Metrics.
3. Tap DONE.

There are six chart types:

• Charging versus consumption time: Displays the balance between battery charging input and consumption over time to track energy usage efficiency.
• Main battery voltage: Provides a real-time view of the voltage level of the Main battery, indicating its charge status and overall health.
• Battery capacity (for the Main battery): Shows the remaining capacity of the battery in kWh, helping to monitor battery life and expected runtime.
• Power History (for the Main battery): Tracks power consumption and charging trends over a specific period, offering insights into usage patterns and energy management.
• Starter battery voltage: Provides a real-time view of the voltage level of the Starting battery, indicating its charge status and overall health.
• Alarm count: Records the number of alarms triggered due to system events, such as low voltage or over-temperature conditions, aiding in troubleshooting and maintenance.

App Screenshot Description: Shows the Xantrex App interface with the Data Metrics pulldown menu open, listing various chart type options including 'Main battery voltage', 'Battery capacity history', 'Power History', 'Starter battery voltage', and 'Alarm count'.

Downloading Data Sets

Each Chart type can be downloaded in *.csv format and stored in your smart device's file system.

1. Tap the File download icon ?. A copy of the file will be saved in your smart device's storage under an internal file folder called Xantrex App.
2. Tap OK.

You can also delete the file that corresponds to a Chart type in order to start fresh or to free up storage.

• Tap the garbage icon ?️ to delete a Chart type data file.

⚠️ Deleted files cannot be recovered.

App Screenshot Description: Shows the Xantrex App interface with a file download icon and a garbage icon for deleting chart data files.

Optional Installation - Starting Battery

⚠️ These steps are applicable only if you have a Starting battery setup.

Step 1: Connect a battery cable from the Starting battery's negative (-) terminal to the XanLink's Battery - terminal.

Diagram Description: Shows a starting battery and a main battery. The negative terminal of the starting battery is connected to the negative terminal of the XanLink unit (labeled B).

Step 2: Connect the Starting battery sensing cable (16AWG) to the left side terminal of the 2-pin connector (of the Main battery sensing cable). Connect the ring terminal end to the positive (+) terminal on the Starting battery.

Diagram Description: Shows the gray starting battery sensing cable being connected to the main battery sensing cable's 2-pin connector, and then the ring terminal of the starting battery sensing cable being connected to the positive terminal of the starting battery. A hot surface warning is present.

Step 3: Connect the 2-pin connector to the XanLink's 2-pin port.

Diagram Description: Shows the 2-pin connector for the starting battery sensing cable being plugged into the XanLink's 2-pin port (D). A hot surface warning is present.

Optional Battery Connection

Step 4: Connect a battery cable to the negative (-) terminal of the Main battery and the positive (+) terminal of the Starting battery.

Diagram Description: Illustrates a battery cable connecting the negative terminal of the main battery to the positive terminal of the starting battery.

Monitoring the Main Battery and Starting Battery

This application expands the functionality of the XanLink by adding starting battery voltage monitoring alongside Main battery monitoring.

Wiring Instructions

Follow the instructions on Optional Installation - Starting Battery.

Parameter Configuration

Use the Xantrex App to configure the necessary settings for both the Main and Starting batteries, following the steps outlined in Connecting to the Xantrex App on page 11.

FAQ

Specifications

NOTE: Specifications are subject to change without prior notice.

Dimensions

Dimensions (in mm):

Diagram Description: Shows the physical dimensions of the XanLink unit. Top view: 120mm length, 52.35mm width. Side view: 45.5mm height, 52.35mm width.

FCC Warning Statement

Changes or modifications not expressly approved by the party responsible for compliance could void the user's authority to operate the equipment. This equipment has been tested and found to comply with the limits for a Class B digital device, pursuant to Part 15 of the FCC Rules. These limits are designed to provide reasonable protection against harmful interference in a residential installation. This equipment generates uses and can radiate radio frequency energy and, if not installed and used in accordance with the instructions, may cause harmful interference to radio communications. However, there is no guarantee that interference will not occur in a particular installation. If this equipment does cause harmful interference to radio or television reception, which can be determined by turning the equipment off and on, the user is encouraged to try to correct the interference by one or more of the following measures:

• Reorient or relocate the receiving antenna.
• Increase the separation between the equipment and receiver.
• Connect the equipment into an outlet on a circuit different from that to which the receiver is connected.
• Consult the dealer or an experienced radio/TV technician for help.

FCC Radiation Exposure Statement

The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located for operating in conjunction with any other antenna or transmitter.

This device complies with Part 15 of the FCC Rules. Operation is subject to the following two conditions: (1) This device may not cause harmful interference. (2) This device must accept any interference received, including interference that may cause undesired operation.

IC Warning

This device contains licence-exempt transmitter(s)/receiver(s) that comply with Innovation, Science and Economic Development Canada's licence-exempt RSS(s). Operation is subject to the following two conditions:

• (I) This device may not cause interference.
• (2) This device must accept any interference, including interference that may cause undesired operation of the device.

Under Industry Canada regulations, this radio transmitter may only operate using an antenna of a type and maximum (or lesser) gain approved for the transmitter by Industry Canada. To reduce potential radio interference to other users, the antenna type and its gain should be so chosen that the equivalent isotropically radiated power (e.i.r.p.) is not more than that necessary for successful communication.

This device complies with Canadian ICES-003 and RSS-247.

Radiation Exposure:

This equipment complies with Canada radiation exposure limits set forth for an uncontrolled environment.

IC Radiation Exposure Statement

The antennas used for this transmitter must be installed to provide a separation distance of at least 20 cm from all persons and must not be co-located for operating in conjunction with any other antenna or transmitter.

Avertissement IC

Cet appareil contient des émetteurs/récepteurs exemptés de licence qui sont conformes aux RSS exemptés de licence d'innovation, sciences et développement économique Canada. Le fonctionnement est soumis aux deux conditions suivantes:

• (I) ce dispositif ne peut pas causer d'interférence.
• (2) ce dispositif doit accepter toute interférence, y compris l'interférence qui peut causer un fonctionnement indésirable du dispositif.

Selon la réglementation d Industrie Canada, cet émetteur radio ne peut fonctionner qu'en utilisant une antenne type et gain maximum (ou inférieur) approuvés pour Industrie Canada par l'émetteur. Réduire brouillage radioélectrique potentiel avec d'autres utilisateurs, le type d'antenne et son gain doivent être choisis que la puissance isotrope rayonnée équivalente (e.i.r.p.) n'est pas supérieure à celle nécessaire pour communication réussie.

Cet appareil est conforme aux normes canadiennes ICES-003 et RSS-247.

Exposition aux radiations:

Cet équipement est conforme à la réglementation canadienne sur les radiations, limites d'exposition établies pour un environnement non contrôlé.

Déclaration d'exposition aux radiations IC

Les antennes utilisées pour cet émetteur doivent être installées de manière à assurer une distance de séparation d'au moins 20 cm au moins de toute personne et ne doivent pas être co-localisés pour fonctionner en conjonction avec autre antenne ou émetteur.