SMA Sunny Island SI6048-US-10 5.8KW Battery-Based Inverter
SMA Sunny Island SI6048-US-10 5.8KW Battery-Based Inverter
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The SMA Sunny Island SI6048-US-10 is a 5.8kW battery-based inverter/charger for 48V systems — the off-grid and backup benchmark, forming stable microgrids from solar, batteries, and generators.
Key Features
- 5.8kW continuous output from 48V battery banks, 120VAC
- Grid-forming inverter — builds a stable AC microgrid other inverters sync to
- AC-coupled architecture — add Sunny Boy solar inverters on the AC side
- Parallel up to 3 units single-phase or multicluster to 100kW+ with MCB boxes
- Integrated battery management for lead-acid and lithium (BMS comms supported)
- Generator support with automatic start control
Specifications
| Model | SI6048-US-10 |
| Rated Output | 5.8kW |
| Battery Voltage | 48VDC |
| Architecture | AC-coupled, grid-forming |
| Stacking | Parallel / multicluster capable |
| Warranty | 10-year SMA warranty (extendable) |
Authorized SMA distribution — full manufacturer warranty (10-year standard US inverter warranty, extendable). Ships via ground; PEAK3/CORE1 commercial inverters ship LTL freight.
| Manufacturer | SMA |
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