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NDS Inverter 1500W – 24V Pure Sine Wave Inverter w. Shore Power Switch

The NDS SP1500I is a pure sine wave inverter that converts 12V DC power from your leisure batteries into 240V AC power for the powering of home devices such as kitchen appliances and laptops.

  • For use with 12V systems
  • Allows you to run up to 1500W of domestic appliances whilst off-grid
  • Pure sine wave
  • Efficient, reliable, safe, and quiet
  • Incorporates an IVT switch for automatic switching between mains and battery power

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SKU: SP1500I-12 Category:

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    NDS products stand out for their high quality construction and design. The NDS SP1500I 12V to 240V inverter 1500W is a pure sine wave inverter that provides high performance and reliability, maximum safety, and, crucially, quiet operation. This model incorporates an IVT priority switch, which automatically switches between shore power and battery power, depending on what’s available. NDS inverters are widely used in RVs, cars, and in emergency vehicles around the world, where these qualities are essential. Living in your camper, peace of mind about your core systems is indispensable, and this inverter provides exactly that.

    Superior performance

    This 12V to 240V inverter boasts an exceptionally high yield of up to 93% when converting from AC to DC. What’s more, NDS inverters operate with some of the lowest self-consumption figures on the market. This means that the amount of power the device itself uses during operation is exceptionally low. This is achieved through the quality of the construction, such as the high conductivity connection bars installed in every NDS inverter.

    Excellent build quality

    NDS solder high quality connections directly onto the board with high conductivity bars. This construction avoids voltage drops and power losses, and reduces energy consumption. Meanwhile, the integrated mounting brackets allow easy and safe installation in any position, so you can really get creative when space is limited. This 12V to 240V inverter comes supplied with all the cables you’ll need to install it, specific to the power of the device.

    Safe and sound

    NDS design their inverters with the following safety features as standard:

    • Soft starter protection
    • Overload protection
    • Short circuit protection
    • Reverse polarity protection
    • Over temperature protection
    • Low battery alert

    Pure sine wave explained

    A pure sine wave inverter outputs an analog sine wave, perfectly matching the sine wave input that your devices expect. This is in contrast to modified sine wave inverters, which use square waves to approximate this analog wave. The quasi-sine wave works fine for simpler electronics, but in the long run we recommend a pure sine wave for sensitive and expensive electronics. You can read more about modified and pure sine wave inverters on our handy guidebook page.

    IVT – Smart switching between grid-based and off-grid power

    IVT models are wired into your vehicle’s shore hookup connection, as well as the battery. A smart priority switch automatically changes the power source for your electrical system between mains and battery power. This allows you to stay flexible, prioritising the most efficient power source available whilst protecting your system from an overlap of inputs.

    Looking for another inverter?

    View our full range of inverters 🔌

    Products that give back

    We are members of 1% for the Planet. This means that for every product purchased from Nohma, we will give 1% of the total cost to The Honnold Foundation. The Foundation provides solar power to underprivileged communities. If you want your electrical system to have more of a positive impact, purchasing your components from us at Nohma will mean you can give back as well as powering your off-grid system.
    Product SKU: SP1500I-12

    Weight 5.2 kg
    Dimensions 36.5 × 27 × 10.8 cm


    Inverter rating (VA / W)


    Max efficiency


    Mains input



    NDS Energy

    Sine wave type

    Pure sine wave

    Product or kit


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