Energidea
BYD BYD-K 4.0

BYD

BYD-K 4.0

Residential Hybrid Inverter

Residential hybrid inverter with battery and backup interface.

AC Phase

3P

AC Rated Power

4 kW

MPPT Count

2

Battery Voltage Class

-

Backup / EPS Supported

true

IP Rating

IP65

ResidentialInstaller comparisonEU market

Applicable Countries

DE - GermanyAT - AustriaCH - SwitzerlandIT - ItalyES - SpainFR - FranceBE - BelgiumNL - NetherlandsLU - LuxembourgPL - Poland
Core comparison fields are incomplete (>30% missing). Not recommended for direct comparison yet.

Installer AI Prompt

Generate installer-ready prompt templates for ChatGPT or Gemini.

Core Electrical

Data source

AC Phase

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

AC Rated Power

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max AC Output Current

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

THD

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

MPPT Count

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max DC Voltage

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

MPPT Voltage Range

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max Current per MPPT

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max Efficiency

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

EU Efficiency

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

AC Phase3P
AC Rated Power4 kW
Max AC Output Current18.2 A
Power Factor Range-
THD-
MPPT Count2
Max DC Voltage600 V
MPPT Voltage Range100 - 550 V
Max Current per MPPT-
Max Efficiency97.6 %
EU Efficiency97 %

Battery

Data source

Battery Voltage Class

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Battery DC Voltage Range

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max Charge Power

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max Discharge Power

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Battery Voltage Class-
Battery DC Voltage Range80 - 480 V
Max Charge Power-
Max Discharge Power-

Backup

Data source

Backup / EPS Supported

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Backup Rated Power

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Switch Time

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Black Start

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Parallel Support

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max Parallel Units

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Backup / EPS Supportedtrue
Backup Rated Power4 kW
Switch Time10 ms
Black Start-
Parallel SupportYes
Max Parallel Units10 units
Generator Input Supported-

EMS & Communication

Data source

EMS Modes

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Export Limitation Supported

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Meter Type Supported

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

EMS ModesSelf-consumption, TOU, Backup
Export Limitation Supportedtrue
Meter Type SupportedRS485 Smart Meter
Remote Monitoring Platform-

Environment & Mechanical

Data source

Cooling Method

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Max Altitude

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

IP Rating

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Operating Temp Range

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Dimensions (W x H x D)

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Weight

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Interfaces

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Cooling Method-
Max Altitude-
IP RatingIP65
Operating Temp Range-25 to 60
Dimensions (W x H x D)403 x 453 x 176 mm
Weight17 kg
InterfacesRS485, CAN, Wi-Fi, LAN

Compliance & Warranty

Data source

DC Surge Protection

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

AC Surge Protection

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

AFCI

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Anti-islanding

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

Certifications

Source URL: https://bydenergia.com/en/products/solar-inverters/

Source Version: 2024.1

DC Surge ProtectionType II
AC Surge ProtectionType II
AFCIYes
Anti-islandingYes
CertificationsEN50549-1, VDE-AR-N 4105, CEI 0-21, AS/NZS 4777.2

Files

Type: DATASHEET_PDF

BYD-K 4.0 Datasheet

Open file

Type: PRODUCT_IMAGE

BYD-K 4.0 Product Image

Open file

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