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Go Power! GP-SW300-12 300W Pure Sine Wave Inverter 12V

Model: GP-SW300-12 · SKU: 55763

Prepared Nov 12, 2026

Find a specification

Common specifications

Input voltage	10.5 - 15 VDCSource [1, 2]
Rated AC output	300 WSource [1, 2]
Surge AC output	450 WSource [1, 2]
Compatible series	Not documented
Weight	3.5 kg7.7 lb convertedSource [1]
Dimensions	155 W × 72 H × 237 L mm6.1 W × 2.8 H × 9.33 L in convertedSource [1]
Enclosure volume	2.64 L** Calculated from recorded external dimensions
Warranty term	2 yearsSource [1, 2]

All recorded specifications

AC output voltage	110 VDocumented claim Conditions Printed as "Output Voltage ± 3% 110 VAC RMS" for each column; the product page prints "Output Voltage Range ± 3% 110 VAC RMS". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Output Voltage ± 3% Printed as "Output Voltage ± 3% 110 VAC RMS" for each column; the product page prints "Output Voltage Range ± 3% 110 VAC RMS". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Output Voltage ± 3% Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official product page · Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture) [1, 2]
Dimensions	155 W × 72 H × 237 L mm6.1 W × 2.8 H × 9.33 L in convertedDocumented claim Conditions Printed as "(L x W x H) in mm 200 x 132 x 72 200 x 132 x 72 237 x 155 x 72 237 x 155 x 72"; 237 x 155 x 72 is the GP-SW300-12 set. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), (L x W x H) in mm Printed as "(L x W x H) in mm 200 x 132 x 72 200 x 132 x 72 237 x 155 x 72 237 x 155 x 72"; 237 x 155 x 72 is the GP-SW300-12 set. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), (L x W x H) in mm Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture) [1]
Efficiency	80 - 90%Documented claim Conditions Printed as "80 - 90%" in each column. Manufacturer claim. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Efficiency Printed as "80 - 90%" in each column. Manufacturer claim. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Efficiency Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture) [1]
Input voltage	10.5 - 15 VDCDocumented claim Conditions Printed as "10.5 - 15 VDC" in the GP-SW300-12 column; the product page prints "Input Voltage 10.5 - 15 VDC". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Input Voltage Printed as "10.5 - 15 VDC" in the GP-SW300-12 column; the product page prints "Input Voltage 10.5 - 15 VDC". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Input Voltage Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official product page · Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture) [1, 2]
Operating temperature	-20 to 40 °C-4 to 104 °F convertedDocumented claim Conditions Printed as "-20ºC - 40ºC / -4ºF - 104ºF" for the GP-SW300 models. Location: PDF page 1, specification table, Operating Temp. (GP-SW300 cell) Printed as "-20ºC - 40ºC / -4ºF - 104ºF" for the GP-SW300 models. Location: PDF page 1, specification table, Operating Temp. (GP-SW300 cell) Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture) [1]
Output waveform	Pure sine waveDocumented claim Conditions Printed as "Pure Sine Wave <3% THD". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Output Waveform Printed as "Pure Sine Wave <3% THD". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Output Waveform Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture) [1]
Ports	2 GFCI outletsDocumented claim Conditions Printed as "AC Receptacle Standard North American Dual GFCI Dual GFCI": standard outlets for the GP-SW150 and dual GFCI outlets for the GP-SW300 columns. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), AC Receptacle Printed as "AC Receptacle Standard North American Dual GFCI Dual GFCI": standard outlets for the GP-SW150 and dual GFCI outlets for the GP-SW300 columns. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), AC Receptacle Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture) [1]
Rated AC output	300 WDocumented claim Conditions Continuous output, printed as "Continuous Output 150 W 150 W 300 W 300 W"; 300 W is the GP-SW300-12 figure. The product page prints "Continuous Output Power 300 W (VA)". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Continuous Output Continuous output, printed as "Continuous Output 150 W 150 W 300 W 300 W"; 300 W is the GP-SW300-12 figure. The product page prints "Continuous Output Power 300 W (VA)". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Continuous Output Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official product page · Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture) [1, 2]
Surge AC output	450 WDocumented claim Conditions Printed as "Surge Rating 260 W 260 W 450 W 450 W"; 450 W is the GP-SW300-12 figure, with no duration printed. The product page prints "Maximum Surge Rating 450 W (VA)". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Surge Rating Printed as "Surge Rating 260 W 260 W 450 W 450 W"; 450 W is the GP-SW300-12 figure, with no duration printed. The product page prints "Maximum Surge Rating 450 W (VA)". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Surge Rating Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official product page · Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture) [1, 2]
Weight	3.5 kg7.7 lb convertedDocumented claim Conditions Printed as "3.5 kg / 7.7 lbs" in the GP-SW300-12 column. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Weight Printed as "3.5 kg / 7.7 lbs" in the GP-SW300-12 column. Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Weight Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture) [1]

Warranty

Warranty term	2 yearsDocumented claim Conditions Printed as "Warranty 2 Years" in each column, with no start date, remedy or exclusions; the product page says it "carries the full 2-year warranty". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Warranty Printed as "Warranty 2 Years" in each column, with no start date, remedy or exclusions; the product page says it "carries the full 2-year warranty". Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Warranty Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official product page · Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture) [1, 2]

Warranty term

2 yearsDocumented claim

Conditions

Printed as "Warranty 2 Years" in each column, with no start date, remedy or exclusions; the product page says it "carries the full 2-year warranty".

Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Warranty

Printed as "Warranty 2 Years" in each column, with no start date, remedy or exclusions; the product page says it "carries the full 2-year warranty".

Location: PDF page 1, specification table, GP-SW300-12 column (column 3 of 4), Warranty

Official document · Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official product page · Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture)

[1, 2]

Certificate records

No records documented.

Sources and revisions

Go Power! Small Pure Sine Wave Inverters spec sheet GP-SW300 / GP-SW150 (Doc: SPEC_GP-SW150-300_vB, 2017) (November 2, 2026 capture)Official document · Revision SPEC_GP-SW150-300_vB (file SPEC_GP-SW150-300_RevF) · Checked Nov 2, 2026https://s3-us-west-2.amazonaws.com/catsy.549/SPEC_GP-SW150-300_RevF.pdf
Go Power! 300W Pure Sine Wave Inverter 12V (GP-SW300-12) product page (November 2, 2026 capture)Official product page · Checked Nov 2, 2026https://gopowersolar.com/products/300-watt-pure-sine-wave-inverter-12v