Energidea
Huawei Huawei LUNA2000-21-S1

Huawei

Series: Huawei LUNA2000 S Series

Huawei LUNA2000-21-S1

Single-phase off grid inverter all-in-one system with 20.7 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 Huawei LUNA2000 S Series series

This is the 20.7 kWh variant.

Compared to other models

  • - 314% larger capacity than Huawei LUNA2000-5-S0
  • - Maximum capacity option in this series.

Ideal for

Ideal for projects that prioritize maximum stored energy in the series while keeping 0.1 kW as the design reference.

Key Specifications

Usable Capacity

20.7 kWh

Vendor
Show All Specifications

Core Electrical

AC Phase1PVendor
AC Rated Power0.1 kWVendor
Max AC Output Current-
Power Factor Range-
THD-Vendor
MPPT Count-Vendor
Max DC Voltage-Vendor
MPPT Voltage Range-Vendor
Max Current per MPPT-Vendor
Recommended PV Power-Vendor
Max Efficiency-Vendor
EU Efficiency-Vendor

Battery

Battery ChemistryLFPVendor
Battery Voltage ClassHVVendor
Battery Capacity Min20.7 kWhVendor
Battery Capacity Max-
Max Charge Power10.5 kWVendor
Max Discharge Power10.5 kWVendor
Round-trip Efficiency-

Backup

Backup / EPS Supported-Vendor
Backup Rated Power-Vendor
Switch Time-Vendor
Black Start-Vendor
Parallel Support-Vendor
Max Parallel Units-Vendor
Generator Input Supported-

EMS & Communication

EMS Modes-
Export Limitation Supported-
Meter Type Supported-
Remote Monitoring Platform-
API Supported-

Environment & Mechanical

Cooling Method-Vendor
IP RatingIP66Vendor
Operating Temp Range-Vendor
Max Altitude-Vendor
Humidity Range-
Wiring Terminal Type-
Max Cable Size-
Dimensions (W x H x D)590 x 1390 x 150 mmVendor
Weight214 kgVendor
Noise-Vendor

Compliance & Warranty

DC Surge Protection-Vendor
AC Surge Protection-Vendor
AFCI-Vendor
Anti-islanding-Vendor
CertificationsCE, VDE2510-50, IEC62619, IEC 60730, UN38.3Vendor

Data Confidence & Verification

Partially verified

Data Sources

  • + Official datasheet - verified 2026-04-10
  • + Installation manual - verified 2026-04-10
  • - 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.

Quick Check: Does this product fit your project?

Run a single-product scenario check using the same Product Match rules.

Full Product Match
Compare with alternatives

Compliance & Certifications

No compliance data available for this product.

Certifications

-

Documents & Downloads

DATASHEET PDF

INSTALLATION MANUAL

  • Huawei LUNA2000-21-S1 Installation ManualDownload
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.

Les champs clés de comparaison sont incomplets (>30% manquants). La comparaison directe n'est pas encore recommandée.

Prompt AI installateur

Générez des modèles de prompt prêts pour installateurs sur ChatGPT ou Gemini.

Configuration systeme type

Standard Hybrid Storage

New PV + Storage installation

Type de reseau: 1P or 3P

Adapte a: Homeowners maximizing self-consumption

Composants principaux

SUN2000 M1/MB0 Inverter, LUNA2000-S1 Battery

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

Produits liés

Huawei LUNA2000-7-S1Voir le produitHuawei LUNA2000-5-S0Voir le produitHuawei LUNA2000-15-S0Voir le produitHuawei LUNA2000-14-S1Voir le produitHuawei LUNA2000-10-S0Voir le produitHuawei LUNA2000-200kWh-2H1Voir le produit