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OutBack Power SkyBox 5 kW Hybrid Inverter SBX5048-120/240 Clearance

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(42 ratings)

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Customer reviews & Questions

Verified buyer reviews
Customer Reviews A1 SolarStore on trustpilot
  • Reviews (42)
  • Questions (3)
Henry
11/02/2020
Very easy customer service experience. Thank you.
Everret
09/18/2020
Bought this one in case I want to add some batteries to my installation later. So far, so good
Kyle Ginaven
03/15/2024
Does this item include the combiner/breaker box that mounts to the bottom?
A1 SolarStore
No, it comes without a combiner/breaker box
solargeek
08/27/2021
what battery voltage will work best? thnx
A1 SolarStore
For this inverter, 48V batteries are recommended.
jimmy
08/17/2021
Hi! Where would you recommend installing it?
A1 SolarStore
Good day! We would recommend a dark, dry, cold place, like a garage.

Specification

PhasesSingle-Phase
AC Output Voltage120/240 VAC
Battery Nominal DC Input48 VDC
Max Input PV Voltage600 Voc
Features
  • Battery Charger
  • Indoor Inverter
  • Monitoring System
  • Outdoor Inverter
Dimensions LxWxH21 x 9.4 x 47 in
Weight110.6 lbs
ManufacturerOutBack Power Systems
Manufacturer Part #SBX5048-120/240
Operating Temperatures –4°F to 140°F

Attachments

About product

LIQUIDATION SALE
All Liquidation Sale items are sold “as-is” with no returns, refunds, exchanges of any kind. By completing your purchase, you acknowledge and accept these terms in full.

The OutBack Power SkyBox 5 kW String Inverter SBX5048-120/240 is a true hybrid inverter that redefines energy management by integrating solar, storage, and grid power into a single intelligent system. Designed for both grid-tied and off-grid applications, SkyBox gives homeowners and installers the flexibility to create efficient, resilient, and future-ready solar energy systems with simplified installation and dynamic power control.

  • 5 kW hybrid string inverter with built-in battery and grid integration
  • High-voltage PV input (600V) for long string configurations and efficient design
  • 48V battery support for lithium-ion and other advanced chemistries
  • 97% typical inverter efficiency and 94% CEC weighted efficiency
  • Integrated arc fault and ground fault protection for enhanced system safety
  • Multiple operating modes for grid-tied, backup, or non-export applications
  • Field-upgradable firmware and remote monitoring via OPTICS RE platform
  • NEMA 3R enclosure for indoor or outdoor installation

All-in-one hybrid design

The SkyBox SBX5048-120/240 combines a grid-tied inverter, battery inverter, and charge controller into one streamlined unit. Its transformerless, ungrounded design supports up to 600V PV input and eliminates the need for external components such as charge controllers or communication boxes—cutting installation time and system complexity. This integrated approach makes SkyBox ideal for solar storage projects where flexibility and scalability are key.

Smarter energy management

SkyBox intelligently manages power flow between the grid, solar array, batteries, generator, and home loads. It supports time-of-use optimization, net metering, and non-export modes to maximize energy independence and savings. The inverter also provides 5,000 VA of continuous power with seamless backup capability and meets all UL 1741 SA, CA Rule 21, and HECO Rule 14H standards for advanced grid interaction.

Future-ready with battery flexibility

Not ready for batteries? Install SkyBox now as a high-efficiency grid-tied inverter and easily add energy storage later—no rewiring or retrofitting required. Compatible with a wide range of 48V battery chemistries, including lithium-ion, SkyBox adapts to evolving energy needs and technologies, offering long-term investment protection and system scalability.

Built to last

Rugged and reliable, SkyBox is NEMA 3R rated for outdoor use and operates across a wide temperature range from -20°C to 60°C. Each unit undergoes Highly Accelerated Life Testing (HALT) to ensure long-term durability, backed by OutBack Power’s legacy of quality and innovation in renewable energy systems.

Size

21" x 9.4" x 47"

Weight

110.6 lb

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