Hardkorr - 300W Continuous Power Pure Sine Wave Inverter
Hitting the road but still want to be able to enjoy some of the comforts of home? The HardKorr 300W Pure Sine Wave Inverter will let you do just that. Perfect for powering 240V devices from TVs to fans. Pure Sine Wave means it is also safe to charge your devices such as laptops and phones. It has a 240V GPO outlet making it easy to plug in just like at home. Its built to handle surges of up to 600W making it ideal for appliances that require a higher start up wattage. It also features a high 89% efficiency rate meaning that you are losing less power when it transfers power from 12V - 240V. Last but not least it features advanced protection circuits that guard against short circuit, overload and over-temperature as well as battery DC over voltage and low voltage making them safe whether you're using it in your caravan, camper or 4WD.
Hitting the road but still want to be able to enjoy some of the comforts of home? The HardKorr 300W Pure Sine Wave Inverter will let you do just that. Perfect for powering 240V devices from TVs to fans. Pure Sine Wave means it is also safe to charge your devices such as laptops and phones. It has a 240V GPO outlet making it easy to plug in just like at home. Its built to handle surges of up to 600W making it ideal for appliances that require a higher start up wattage. It also features a high 89% efficiency rate meaning that you are losing less power when it transfers power from 12V - 240V. Last but not least it features advanced protection circuits that guard against short circuit, overload and over-temperature as well as battery DC over voltage and low voltage making them safe whether you're using it in your caravan, camper or 4WD.
Hitting the road but still want to be able to enjoy some of the comforts of home? The HardKorr 300W Pure Sine Wave Inverter will let you do just that. Perfect for powering 240V devices from TVs to fans. Pure Sine Wave means it is also safe to charge your devices such as laptops and phones. It has a 240V GPO outlet making it easy to plug in just like at home. Its built to handle surges of up to 600W making it ideal for appliances that require a higher start up wattage. It also features a high 89% efficiency rate meaning that you are losing less power when it transfers power from 12V - 240V. Last but not least it features advanced protection circuits that guard against short circuit, overload and over-temperature as well as battery DC over voltage and low voltage making them safe whether you're using it in your caravan, camper or 4WD.
Hitting the road but still want to be able to enjoy some of the comforts of home? The HardKorr 300W Pure Sine Wave Inverter will let you do just that. Perfect for powering 240V devices from TVs to fans. Pure Sine Wave means it is also safe to charge your devices such as laptops and phones. It has a 240V GPO outlet making it easy to plug in just like at home. Its built to handle surges of up to 600W making it ideal for appliances that require a higher start up wattage. It also features a high 89% efficiency rate meaning that you are losing less power when it transfers power from 12V - 240V. Last but not least it features advanced protection circuits that guard against short circuit, overload and over-temperature as well as battery DC over voltage and low voltage making them safe whether you're using it in your caravan, camper or 4WD.
in 13 offers
The lowest price for Hardkorr - 300W Continuous Power Pure Sine Wave Inverter right now is $179.06 at Snowys Outdoors, compared across 10 retailers.
The all-time low was $179.06 on 12 Oct 2025. That's the lowest price we've ever tracked — a great time to buy.
Prices last updated 3 Aug 2026.
Last updated at 03/08/2026 12:07:46
300W Pure Sine Wave Inverter
Free 60-day returns
HARDKORR 300w Continuous Power Pure Sine Wave Inverter (Each) - HKPINV300
Delivery $46.39
Hardkorr 300W Pure Sine Wave 12V to 240V Inverter by Boat Warehouse Australia - Boating, Marine, Electronics & Fishing Gear
Delivery between 7–12 Aug $10
Hardkorr HKPINV300 Continuous Power Pure Sine Wave Inverter - 300W
Delivery by Wed $28.99
Hardkorr HKPINV-XPX Continuous Power Pure Sine Wave Inverter
Delivery between 5–11 Aug $28.99
Hardkorr HKPINV300 Continuous Power Pure Sine Wave Inverter - 300W
Delivery by Wed $19.99
Hardkorr HKPINV-XPX Continuous Power Pure Sine Wave Inverter
Delivery by Wed $19.99
Hardkorr 300W Continuous Power Pure Sine Wave Inverter HKPINV300
Delivery $20
Hardkorr 300W Pure Sine Wave 12V to 240V Inverter
Delivery $18
Hardkorr 600W Pure Sine Wave 12V to 240V Inverter
Delivery $18
| AC output waveform | Pure sine wave (THC |
| AC output power | 300W |
| AC Surge power | 600W |
| AC output voltage | 240V +/- 5% |
| AC output frequency | 50/60Hz +/- 0.05% |
300W Pure Sine Wave Inverter
Free 60-day returns
HARDKORR 300w Continuous Power Pure Sine Wave Inverter (Each) - HKPINV300
Delivery $46.39
Hardkorr 300W Pure Sine Wave 12V to 240V Inverter by Boat Warehouse Australia - Boating, Marine, Electronics & Fishing Gear
Delivery between 7–12 Aug $10
Hardkorr HKPINV300 Continuous Power Pure Sine Wave Inverter - 300W
Delivery by Wed $28.99
Hardkorr HKPINV-XPX Continuous Power Pure Sine Wave Inverter
Delivery between 5–11 Aug $28.99
| AC output waveform | Pure sine wave (THC |
| AC output power | 300W |
| AC Surge power | 600W |
| AC output voltage | 240V +/- 5% |
| AC output frequency | 50/60Hz +/- 0.05% |
