SAJ
HS3-5K-S2
Single-phase hybrid inverter all-in-one system with 4.5 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 SAJ HS3 Series series
This is the 4.5 kWh variant.
Compared to other models
- - 0% larger capacity than HS3-3.6K-S2
- - 50% smaller capacity than HS3-8K-T2
- - Mid-range option balancing capacity and project flexibility.
Ideal for
Ideal for installers who need a balanced 4.5 kWh option with 5 kW for mainstream project sizing.
Key Specifications
Phase
SINGLE_PHASE
Rated Output Power
5 kW
VendorUsable Capacity
4.5 kWh
VendorShow All Specifications
Core Electrical
| AC Phase | 1PVendor |
| AC Rated Power | 5 kWVendor |
| Max AC Output Current | 23.9 AVendor |
| Power Factor Range | 0.8 leading ~ 0.8 laggingVendor |
| THD | 3 %Vendor |
| MPPT Count | 2Vendor |
| Max DC Voltage | 600 VVendor |
| MPPT Voltage Range | 90-550 VVendor |
| Max Current per MPPT | 20 AVendor |
| Recommended PV Power | 10 kWpVendor |
| Max Efficiency | 97.6 %Vendor |
| EU Efficiency | 97.2 %Vendor |
Battery
| Battery Chemistry | LFPVendor |
| Battery Voltage Class | HVVendor |
| Battery Capacity Min | 4.5 kWhVendor |
| Battery Capacity Max | - |
| Max Charge Power | 5 kWVendor |
| Max Discharge Power | 5 kWVendor |
| Round-trip Efficiency | - |
Backup
| Backup / EPS Supported | trueVendor |
| Backup Rated Power | 5 kWVendor |
| Switch Time | 10 msVendor |
| Black Start | YesVendor |
| Parallel Support | YesVendor |
| Max Parallel Units | 10 unitsVendor |
| Generator Input Supported | - |
EMS & Communication
| EMS Modes | Self-consumption, Time-of-use, BackupVendor |
| Export Limitation Supported | trueVendor |
| Meter Type Supported | - |
| Remote Monitoring Platform | eSAJ HomeVendor |
| API Supported | - |
Environment & Mechanical
| Cooling Method | -Vendor |
| IP Rating | IP65Vendor |
| Operating Temp Range | -30 to 50Vendor |
| Max Altitude | -Vendor |
| Humidity Range | - |
| Wiring Terminal Type | - |
| Max Cable Size | - |
| Dimensions (W x H x D) | 695 x 170 x 820 mmVendor |
| Weight | 80.5 kgVendor |
| Noise | -Vendor |
Compliance & Warranty
| DC Surge Protection | Type IIVendor |
| AC Surge Protection | Type IIVendor |
| AFCI | YesVendor |
| Anti-islanding | YesVendor |
| Certifications | - |
Data Confidence & Verification
Partially verifiedData 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.
Quick Check: Does this product fit your project?
Run a single-product scenario check using the same Product Match rules.
Compliance & Certifications
No compliance data available for this product.
Certifications
-
Documents & Downloads
DATASHEET PDF
- HS3-5K-S2 DatasheetDownload
Compatible Products - coming in Phase 3
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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