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SMA Australia Pty Ltd
SMA's Sunny Boy is the German-built string inverter that helped define the residential solar inverter category. SMA was one of the first inverter manufacturers to enter Australia, in 2006, and has a long local field track record.
Parsed from the manufacturer datasheet, install manual, and warranty document. Confirm against the linked PDFs before relying on a value for a quote or installation.
Rated Power
4 kW
Max Efficiency
98.4%
Phases
Single Phase
Max Input Voltage
600 V
Min Input Voltage
100 V
Max Input Current
13 A
Output Voltage
—
Max Output Current
—
Country of Origin
Unknown
Series
Sunny Boy Smart Energy
MPPT Trackers
2
European Efficiency
97.2%
Weight
16 kg
Dimensions
400×485×200mm
IP Rating
IP65
Operating Temp
-25..60°C
Cooling
Natural
Battery Compatible
Yes
Backup Capable
Yes
ESM Compliant
No
Black Start
No
Grid Forming
No
Export Limiting
No
Remote Monitoring
No
CEC Approved
14 Feb 2025
Approval Expiry
14 Feb 2028
Status
Active
Eligible for Rebates
Yes
Years in AU Market
20 years
Australian Office
Yes
CEC-Approved Batteries
1
CEC-Approved Panels
0
Category
Mid-Tier
$1,400–$2,400
Perth installed price estimate · medium confidence
Prices vary by installer, configuration, and site complexity. Get exact quotes via our installer matching.
From May 1, 2026, all new battery installations in WA require CSIP-AUS compliant inverters. Verify ESM status with your installer.
Perth's high ambient temperatures (regularly 35°C+) can reduce inverter efficiency and trigger thermal throttling. For installations in direct sun or non-ventilated garages, consider inverters with active cooling and wide operating temperature ranges. All grid-connected installations require Western Power approval.
Compare this inverter with batteries for a complete system analysis
Based on 5 PSH/day (BOM) with 15% system derate.
Australian office
Has local presence
Website
www.sma-australia.com.auThe SMA Australia Pty Ltd SBSE4.0-50 (AS4777-2 2020) against the closest-power inverters from other brands.
| Specification | SMA Australia Pty Ltd SBSE4.0-50 (AS4777-2 2020)SMA Australia Pty Ltd | Afore New Energy Technology (shanghai) Co Ltd AF4K-SL (AS4777-2 2020)Afore New Energy Technology (shanghai) Co Ltd | Afore New Energy Technology (shanghai) Co Ltd HNS4000TL (AS4777-2 2020)Afore New Energy Technology (shanghai) Co Ltd |
|---|---|---|---|
| Rated power? | 4 kW | 4 kW | 4 kW |
| Max efficiency? | 98.4%best value | 0.0% | 0.0% |
| MPPT trackers? | 2 | Not verified | Not verified |
| Phases | Single-phase | Single-phase | Single-phase |
| Type | Hybrid | Hybrid | Solar |
| Battery ready | Yes | Yes | No |
| Warranty | 0 years | Not verified | Not verified |
Specs from the CEC register and datasheet enrichment. Indicative — confirm exact figures with your installer.
Plain-English warranty summary not yet extracted for this product. The official warranty document is the authoritative source.
Part of the SMA Australia Pty Ltd Sunny Boy Smart Energy series
Compare every SMA Australia Pty Ltd Sunny Boy Smart Energy variant side by side →
SB1.5-1VL-40 (AS4777-2 2020)
1.5 kW · 1φ
SB2.5-1VL-40 (AS4777-2 2020)
2.5 kW · 1φ
SB3.0-1AV-41 (AS4777-2 2020)
3 kW · 1φ
SB4.0-1AV-41 (AS4777-2 2020)
4 kW · 1φ
SB5.0-1AV-41 (AS4777-2 2020)
5 kW · 1φ
SB6.0-1AV-41 (AS4777-2 2020)
6 kW · 1φ
Other CEC-approved products from SMA Australia Pty Ltd available in Australia.
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About this data
All inverter specifications are sourced from the CEC Approved Products Register. Specifications are provided as published by the CEC and may differ from manufacturer datasheets. Verify current specifications with the manufacturer or your installer before purchasing. Not all listed models may be currently available in Western Australia.