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OutBack Power Radian 8 kW Pure Sine Inverter GS8048A - A1 SolarStore

OutBack Power Radian 8 kW Pure Sine Inverter GS8048A

OutBack Power Radian 8 kW Pure Sine Inverter GS8048A

(45 ratings)

SpecificationCompareSee all
TypePure Sine
ConnectionGrid Tie, Hybrid, Off-Grid
PhasesSingle-Phase
Attachments
Return policy
Datasheet

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Customer reviews & Questions

Verified buyer reviews

Reviews (45)
Questions (2)

Brent

08/18/2025

OutBack Power Radian 8 kW Pure Sine Inverter GS8048A

Inverter arrived right when expected and is working well. Replaced a pair of 36048s being used in master/slave configuration.

Maureen T.

07/16/2025

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ok so im not super technical but our rv kept having issues with the old batteries dying too fast especially in winter camping. my son researched for weeks and said get the northstar and just trust him lol. so i did. and wow what a difference. we went on a 10 day trip last month with two days of cloudy weather and the power situation was just a non issue the whole time. before we woulda been stressing by day 3. very very happy and yes my son was right as usual haha

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07/10/2025

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Sam

08/17/2024

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that's a 5-star service and a 5-star product!

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You're killing it guys, thanks

Henry

07/23/2024

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Very easy customer service experience. Thank you.

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07/16/2024

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So far i'm quite satisfied. would i recommend a1? 4sure

Iris

02/10/2022

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Grabbed that along with panels at their fulfillment center at Orlando. Very nice people, know their job. told me all about driving all this solar stuff home safely.

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02/10/2022

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Quite a convenient model, easy to program. The efficiency could be better, but for this money it’s a very good deal.

Garry

08/17/2021

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ok, i basically purchased this instead of getting an inverter and controller for my panels. quite convenient indeed and very easy to setup – i just basically hung it on the wall in the garage, connected it to my PV system and main panel and ran its standard program and voila. approved.

Cain

08/12/2021

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I was very pleased with the speed of delivery, thx! Yesterday we’ve finally finished the installation, everything is in place. The inverter works, it is very silent, let’s hope it stays that way.

P. Willis

08/11/2021

OUTBACK Charge Controller MPPT 60A Battery FM60-150VDC

Awesome charge controller! Yes, not the cheapest, but if you want to get an MPPT charge controller, I suggest you give this brand and A1 a try. I like that it can store 128 days of data, allowing you to see trends over time.

Patrick

08/06/2021

OutBack FLEXmax FM100-300VDC 100A 300Vdc MPPT Charge Controller

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bowser

08/05/2021

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very convenient. thank you very much

Tawnya A.

07/28/2021

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Excellent quality! Very well made. Had a bit of a problem with setting it up though.The manual is 126 pages long! Could not get customer service after waiting for 13 minutes. Would buy it again, but this time hire another electrician other than myself to help with the installation.

Dilis Calvin

07/21/2021

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Jose Luke

07/19/2021

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I took an FM60 to Haiti recently. Very hot and high humidity. We coupled it with eight 180watt 26v modules. The controller was very easy to set up, and the charging began immediately. We had a 24v battery bank (8 x 6v). We put some heavy loads on it like pressure pumps, a big miter saw and a fridge. The unit never missed a beat.

Lamar Kodey

07/19/2021

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Just awesome. The same goes for the service and delivery. The display shows all the relevant system data. Highly recommend

Remy J00

07/14/2021

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Thanks for the service! The package came in like 4 days or something, very happy. I followed your guidelines and installed the inverter in the garage. Hope that this one will last longer than my last one. Stay safe!

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07/06/2021

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RockyLee

07/04/2021

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07/03/2021

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Orfo1

07/03/2021

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just got my package. everything’s good. Thanks for the help, the delivery was very fast indeed! Nick and I will finish the installation tomorrow, i think. take care

Kory

07/02/2021

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The inverter itself I found to be too small for a home system. I put it in my van, works fine. the efficiency could be higher though. As for service, everything was good, the package arrived fast, tnx.

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06/24/2021

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Clyde B.

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06/21/2021

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06/12/2021

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06/11/2021

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We are not connected to the grid and all our energy comes from the sun. That’s why we need a backup for everything just in case. OutBack makes reliable equipment, hence our choice.

HuntF

06/11/2021

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Thanks! It’s been a year since me and my family went off-grid: the power lines here aren’t really good and we often sat in the dark for hours. Since we’ve installed solar, these problems have gone away. We also grabbed some batteries from you to have a supply for the night, they are nice.

Colin Jr

06/04/2021

OutBack Power Radian 8 kW Pure Sine Inverter GS8048A

We used this inverter for our gas station in Ohio. The system is quite big so we had to get two of them. The results do not disappoint: we basically nullified our daily needs in commercial electricity. and at night the energy is cheaper anyway. Thanks a lot for the fast delivery!

Raynard Lewin

05/23/2021

OutBack FLEXmax FM100-300VDC 100A 300Vdc MPPT Charge Controller

Great charge controller, but I wonder why they couldn’t add a small display that you can see in so many other models. If this is an important feature for you, you will have to look through other options, but overall it is an excellent device

Clara

05/18/2021

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We bought two of these a year ago for our home system. My husband actually used your calculator to size the installation. The inverters still work fine even though it can be quite dusty here in Arizona. just wanted to thank you once again for your amazing service!

Ernan

05/16/2021

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I purchased this inverter and so far I’m impressed with how well it withstands the weather here in Arizona. Each of my two previous inverters died within six month after the purchase because of the dust and heat, but this one is already 1 year old and is still going strong.

Simon Day

05/16/2021

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Thx, I picked this model for my RV four month ago and it doesn’t disappoint so far. I drive around a lot, but since I installed solar, I don't really need camper parks anymore. There isn’t a lot in my van — a laptop, lights plus some stuff for cooking. this is why I chose an inverter with a little capacity — it’s enough for me.

Rem

05/12/2021

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A strong reliable inverter. In our cause it handles even a little more than expected, since our system is 4.2 kW in size or around that. I watch my system like a hawk and check everything: gotta hand it to him, it has very good efficiency. Overall, a solid product, would definitely recommend it.

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Everret

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Ren

07/10/2021

Good day. Do you ship to Montana?

A1 SolarStore

Good day. Yes, the shipping is available all across continental US except Alaska.

desmond_desmond

06/17/2021

Hi. Can i use it for my RV?

A1 SolarStore

Good day. While in theory it’s possible, you might want to look for an inverter of a smaller size. RV systems never need inverters of this capacity, so you’ll just spend more than you need. Besides, this model is quite heavy.

Specification

US Made	US Made
Type	Pure Sine
Connection	Grid Tie Hybrid Off-Grid
Phases	Single-Phase
AC Output Voltage	120/240 VAC
Battery Nominal DC Input	48 VDC
Features	Battery Charger Communication Module Fan Cooling Indoor Inverter Monitoring System Stackable Transfer Switch
Dimensions LxWxH	16 x 8.7 x 28 in
Weight	125 lbs
Manufacturer	OutBack Power Systems
Manufacturer Part #	GS8048A
Operating Temperatures	–40°F to 140°F
Scope of Application	Boat Commercial Residential RV
Warranty	5 years standard; 10-year extension available

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Attachments

Datasheet

About product

The OutBack Power Radian GS8048A 8 kW Pure Sine Inverter/Charger delivers reliable, flexible, and intelligent power management for both off-grid and grid-tied applications. Designed to integrate solar, grid, and generator sources seamlessly, the GS8048A offers unmatched versatility for residential, commercial, and backup power systems. With advanced GridZero™ technology, SunSpec compliance, and exceptional surge capability, this inverter is built to handle the most demanding energy challenges with efficiency and precision.

8 kW pure sine wave inverter/charger for residential and commercial solar-plus-storage systems
Dual AC inputs for simultaneous grid and generator integration without external switching
Supports SunSpec IEEE 2030.5 with optional CSIP Bridge for Rule 21 and Hawaii 14H compliance
Seven programmable operating modes for full control of energy flow and backup functionality
GridZero™ mode to minimize grid reliance and optimize self-consumption
High surge capacity with up to 16.9 kVA instantaneous output for demanding loads
Off-grid and grid-tied functionality in one integrated platform
Peak 96% efficiency with 93% typical efficiency and 92.5% CEC-rated efficiency

Modular and scalable design

The Radian GS8048A features a modular, stackable architecture allowing up to ten units to operate in parallel for large-scale power systems. Its split-phase 120/240 V configuration provides flexible installation options for both residential and commercial sites, ensuring stable power delivery in a wide range of applications.

Advanced grid and generator integration

Dual AC inputs allow seamless blending of grid and generator power for reliable energy backup. The inverter automatically manages transitions between power sources and features AC coupling with both legacy and UL 1741 SA-certified inverters through intelligent frequency shifting for superior hybrid system performance.

Comprehensive protection and smart control

Built for long-term reliability, the GS8048A offers low total harmonic distortion (<2%), surge protection, and voltage regulation within ±2%. It includes advanced battery management for flooded, AGM, gel, and lithium-ion batteries, as well as compatibility with the MATE3s system controller for configuration and remote monitoring.

High performance and reliability

Engineered for demanding off-grid and hybrid environments, the GS8048A delivers 8,000 VA continuous power, 9,000 VA peak (30 min), and 12,000 VA surge (5 sec) capacity. With ETL listing to UL 1741 SA, CSA C22.2, and CE standards, the inverter ensures dependable performance and compliance with global regulations.

Size

16" x 8.7" x 28"

Weight

125 lb

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