Energidea
Viessmann Vitocharge VX3 3.6A

Viessmann

Series: Viessmann Vitocharge VX3 Series

Vitocharge VX3 3.6A

Single-phase hybrid inverter all-in-one system with 4 kWh LFP battery

Partially verified

Best for

  • + Residential installations
  • + Single-phase residential installations
  • + Residential PV systems up to 5 kWp
  • + Projects requiring long warranty coverage
  • + LFP battery applications - verify cycle life from datasheet

Not ideal for

  • ! Large-scale C&I projects - consider commercial product line
  • ! Three-phase commercial/industrial installations
  • ! Backup/battery-backup projects (no EPS functionality)
  • ! Projects requiring future expansion - AIO unit does not support parallel expansion

In the Viessmann Vitocharge VX3 Series series

This is the 4 kWh variant.

Compared to other models

  • - 0% smaller capacity than Vitocharge VX3 8.0A
  • - Entry-level option in this series.

Ideal for

Ideal for smaller residential projects that need 4 kWh storage without oversizing the system.

Key Specifications

Phase

SINGLE_PHASE

Rated Output Power

3.68 kW

Vendor
Show All Specifications

Core Electrical

AC Phase1PVendor
AC Rated Power3.68 kWVendor
Max AC Output Current16 AVendor
Power Factor Range0.8...1Vendor
THD-Vendor
MPPT Count2Vendor
Max DC Voltage550 VVendor
MPPT Voltage Range85...450 VVendor
Max Current per MPPT13 AVendor
Recommended PV Power5.5 kWpVendor
Max Efficiency97 %Vendor
EU Efficiency96.5 %Vendor

Battery

Battery ChemistryLFPVendor
Battery Voltage ClassHVVendor
Battery Capacity Min4 kWhVendor
Battery Capacity Max12 kWhVendor
Max Charge Power3.5 kWVendor
Max Discharge Power3.5 kWVendor
Round-trip Efficiency-

Backup

Backup / EPS SupportedtrueVendor
Backup Rated Power3.68 kWVendor
Switch Time-Vendor
Black StartYesVendor
Parallel SupportNoVendor
Max Parallel Units-Vendor
Generator Input Supported-

EMS & Communication

EMS ModesSelf-consumption, BackupVendor
Export Limitation SupportedtrueVendor
Meter Type SupportedModbus RTUVendor
Remote Monitoring PlatformViCareVendor
API SupportedtrueVendor

Environment & Mechanical

Cooling Method-Vendor
IP RatingIP20Vendor
Operating Temp Range5...35Vendor
Max Altitude2000 mVendor
Humidity Range0...95%Vendor
Wiring Terminal Type-
Max Cable Size-
Dimensions (W x H x D)600 x 500 x 250 mmVendor
Weight25 kgVendor
Noise40 dB(A)Vendor

Compliance & Warranty

DC Surge Protection-Vendor
AC Surge Protection-Vendor
AFCIYesVendor
Anti-islandingYesVendor
CertificationsVDE-AR-N 4105, CEVendor

Data Confidence & Verification

Partially verified

Data Sources

  • + Official datasheet - verified 2026-04-08
  • - Installation Manual - not available
  • - Certificate - not available

Data gaps that may affect your decision

  • ! Outdoor temperature range not specified - confirm outdoor suitability.
  • ! IP rating not documented - confirm installation location suitability.

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Compliance & Certifications

No compliance data available for this product.

Certifications

-

Documents & Downloads

DATASHEET PDF

Compatible Products - coming in Phase 3
Compare this productView SeriesStart Product MatchContact Vendor / Request Quote

Product data is sourced from manufacturers, official websites, and community contributions. Energidea does not guarantee completeness or accuracy. Installers should verify specifications, certifications, and compatibility with manufacturer documentation before quotation.

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Configuracion tipica del sistema

Standard Self-Consumption

Residential PV with storage

Tipo de red: On-grid

Adecuado para: Single-family homes seeking energy independence

Componentes principales

Vitocharge VX3, PV Arrays, ViCare App

Notas

Optimizes solar usage for household loads.

Descargo de responsabilidad: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Full Energy Management

PV + Storage + Heat Pump integration

Tipo de red: On-grid

Adecuado para: Smart homes with high thermal and electrical coordination needs

Componentes principales

Vitocharge VX3, Vitocal Heat Pump, Energy Meter

Notas

Direct communication between inverter and heating system.

Descargo de responsabilidad: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Emergency Backup

Resilience against power outages

Tipo de red: Hybrid with Backup

Adecuado para: Regions with unstable grid infrastructure

Componentes principales

Vitocharge VX3, Backup Switch Box

Notas

Provides power to essential loads during grid failure.

Descargo de responsabilidad: For reference only. Final system configuration should be confirmed based on local regulations, grid requirements, and project conditions.

Productos relacionados

Vitocharge VX3 8.0AVer productoVitocharge VX3 6.0AVer productoVitocharge VX3 4.6AVer producto