Description
🔌 SMA Sunny Island SI‑6048‑US‑10 – 6 kW Off‑Grid & Backup Hybrid Inverter
NEW - OLD STOCK - OUT OF MFGR WARRANTY - NO RETURNS
Robust and reliable, this split-phase battery inverter is built for off-grid solar systems, battery backup, and generator integration—with exceptional flexibility and performance.
⚙️ Key Features
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6 kW continuous AC output (5,750 W rated) at 120/240 VAC split-phase, expandable to 12 kW via two units in split-phase or 18 kW three-phase in parallel.
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Peak efficiency 96%, with CEC-weighted efficiency around 94%.
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Smart battery charging: supports Li-ion and lead-acid (48 V), with intelligent depth-of-discharge management and AC/DC coupling.
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Extreme overload capability: up to 7 kW for 30 min or 11 kW surge for 1 min at 25 °C.
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Parallel operation up to 4 units, enabling power from 6 kW up to 24 kW.
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Flexible integration: AC and DC coupling, built-in generator manager, optional grid connectivity, islanding detection, and automatic switchover to standalone mode.
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User-friendly design: Quick configuration guide, SD logging, LCD display, wall-mountable IP30 enclosure, and temperature-controlled cooling.
📏 Quick Specs
| Parameter | Value |
|---|---|
| AC Output (Cont./Rated) | 6,000 W / 5,750 W @ 120/240 VAC |
| Peak Efficiency | 96%; CEC ~94% |
| Battery Voltage | 48 V (supports Li-ion/Lead-Acid) |
| Surge Power | 7 kW @30 min; 11 kW @1 min |
| Expansion | Up to 4 units (max 24 kW) |
| Enclosure | Wall-mounted IP30 |
| Operating Temp | −25 °C to +60 °C |
| Weight | ~63 kg (139 lb) SMA America+7midnitesolar.com+7yanmarenergysystems.com+7fidupopular.com.co+4Solar Electric Supply+4Solar Electric Supply+4 |
📄 Official Manual & Datasheet
Download full technical details for the SI‑6048-US-10:
Sunny Island 4548/6048‑US Installer Manual (PDF)