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OutBack Power Radian GS4048A 4 kW split-phase inverter/charger

Brand
OutBack Power
Model
GS4048A
SKU / part number
?
Category
Inverters
chargedreviews.com/inverters/outback-power-gs4048a

AC output

Continuous output4 kW[1]
Peak output4500 VA for 30 min; 6000 VA for 5 s; 8500 VA for 100 ms[2]
AC configuration?
AC output voltage120/240 VAC (200 to 260 VAC), selectable[2]
AC frequency?
Grid pass-through?
Maximum output per leg?

Battery

Battery voltage48 V[2]
Battery voltage range40 to 64 VDC[2]
Maximum charge current57.5 A[2]
Maximum discharge current?
Battery-only output?
Maximum grid charging?
Compatible batteries / BMS?

PV input

PV array limit (connected)?
PV input limit (converted)?
Maximum PV voltage (Voc)?
MPPT voltage range?
MPPT trackers?
String inputs per MPPT?
PV current per MPPT?
PV short-circuit current?
PV startup voltage?

Efficiency and modes

Peak efficiency93 %[2]
CEC weighted efficiency92.5 %[2]
Battery conversion efficiency?
Grid / off-grid modes?
Generator input?
Transfer time?
Idle consumption34 W[2]
Parallel units10[1]

Communication and environment

Communications?
Operating temperature-20 to 50 °C[2]
Enclosure rating?
Operating noise?

Mechanical

Dimensions221 D × 406 W × 711 H mm[2]Calculated
Weight37.2 kg / 82.01 lb[2]

Installation (from the manual)

Conductors

Battery conductors2/0 AWG (0.109 in²) or 70 mm² (minimum, per breaker)[1]
AC input conductors?
AC output conductors?
PV conductors?
Ground conductor?

Not in the manual: Torque, Protection, Clearances and orientation, Grounding, Communication

Page 1 of 2 · Installation values · ? means nothing is recordedAggregated, often community-reported information, not official documentation. Do not rely on it for installation, purchase or compliance decisions; always confirm values with the manufacturer’s official documentation. Charged Reviews accepts no responsibility for errors.

Charged Reviews · Quick reference

OutBack Power Radian GS4048A 4 kW split-phase inverter/charger · GS4048A

Warranty

Warranty term5 years[2]
Optional extension?
Coverage starts?
Coverage conditions?
Remedy?
Labor and shipping?
Transfer to another owner?
Registration?
Territory?

Certifications and listings

UL 1741?
UL 1741 SA?
UL 1741 SB?
IEEE 1547?
CA Rule 21?
UL 9540?
FCC Part 15?

Documents and sources

  1. Radian Series Inverter/Charger GS4048A GS8048A Installation Manual, 900-0160-01-01 Rev C, September 2022 (OutBack Power)Official installation manual · Revision 900-0160-01-01 Rev C · Revised Not stated · Checked https://old.outbackpower.com/downloads/documents/inverter_chargers/radian_8048a_4048a/gs_8048a_4048a_install.pdf
  2. Radian A-Series 60Hz, 120/240V Inverter/Chargers datasheet, #980-00076-01-001 REV C, 03/2021 (OutBack Power)Official datasheet · Revision #980-00076-01-001 REV C · Revised March 2021 · Checked https://outbackpower.com/downloads/documents/inverter_chargers/radian_8048a_4048a/radianseries_8048a_4048a_specsheet.pdf