Skip to product information
1 of 1

3000W 24V low frequency pure sine wave off-grid inverter (peak power 9000W)

3000W 24V low frequency pure sine wave off-grid inverter (peak power 9000W)

SKU:LK3000-24

Regular price £649.99 GBP
Regular price Sale price £649.99 GBP
Sale Sold out
Taxes included. Shipping calculated at checkout.

Our stock levels are dynamic and can change frequently. If a product appears to be in stock, it may have already sold out. Please contact us if you have any questions about availability. Thank you for your understanding.

Imagine having reliable, clean power wherever life takes you – from the quiet countryside farm to your adventurous motorhome journey. The 3000W 24V Pure Sine Wave Low Frequency Off-Grid Inverter is your ultimate solution for converting battery power into the smooth, household-grade electricity you need. Say goodbye to power worries and embrace true energy independence, ensuring your essential appliances run perfectly, no matter how far off the grid you roam.


At its heart, an inverter takes the direct current (DC) power from your batteries – like those in your solar setup or vehicle – and skillfully transforms it into 230V alternating current (AC). This is the very same type of electricity that powers your home, making it perfect for running everyday items such as your TV, fridge, radio, lights, or charging your laptop and mobile phone. Whether you're in a motorhome, a caravan, on a boat, living on a farm, or simply at any remote spot, this inverter ensures you have the comfort of standard household power.


It's also an excellent choice for off-grid living and as a reliable backup system, keeping your essentials running smoothly even during unexpected power cuts.


What makes this inverter truly stand out is its pure sine wave output. This means the electricity it provides is incredibly clean and stable, just like the power you get from the utility grid. Unlike older or cheaper modified sine wave inverters, a pure sine wave output is:

  • Versatile: It's compatible with a much wider range of appliances, including sensitive electronics and anything with an electric motor (like fridges or power tools) that might struggle with other inverter types.
  • Efficient: It uses less power to run your devices, helping you make the most of your battery reserves compared to modified sine wave models.

Choosing a low-frequency inverter offers distinct benefits over higher-frequency alternatives, primarily in its incredible peak power capacity and rock-solid reliability. This inverter can handle power surges up to three times its normal power level (that's 9000W peak!) for several seconds. High-frequency inverters, in contrast, can typically only manage twice their power for a fraction of a second. The secret to its robustness lies in its design: low-frequency inverters use sturdy transformers, rather than more delicate electronic components (like MOSFETs), making them tougher and less prone to damage.


Here's what makes this low-frequency inverter a powerhouse for your off-grid needs:

  • Smart Battery Charging: Features a powerful, built-in charger. You can easily adjust the charging current from 14A all the way up to 70A to perfectly match your battery setup. It uses an advanced 4-step charging process for optimal battery health and supports various battery types. Plus, you can switch the charger off if you don't need it.
  • Flexible Power Modes: Choose between two intelligent operating modes:
    • AC Priority Mode: If you're connected to mains power, your batteries will stay charged, and your appliances will run directly from the grid, saving your battery power.
    • DC Priority Mode: Your appliances will always draw power from your batteries first, even if mains power is available. If your battery charge drops too low, the system automatically switches to mains power to charge your batteries and keep your devices running without interruption.
  • Energy-Saving "Power on Demand": The clever power-saving mode lets the inverter go into standby, only generating power when an appliance is actually connected. This conserves energy and extends your battery life.
  • Seamless UPS Functionality: As an Uninterrupted Power Supply (UPS) system, if your mains power goes out while the inverter is in AC mode, it instantly switches to battery power. Your appliances won't even flicker.
  • Efficient Bypass Mode: When connected to mains power (in AC priority mode), the inverter can intelligently bypass its internal conversion circuits. This directly links the mains input to the AC output, boosting efficiency and ensuring the power quality is identical to your mains supply.
  • Clear LCD Display: A detailed LCD screen keeps you informed at a glance, showing voltages, battery status, the current operating mode, and other vital information.
  • Generator Friendly: Designed to accept input AC power from a generator. For best results, we recommend a generator with a nominal power rating at least twice that of the inverter (e.g., 6000W for this 3000W inverter).
  • Fully Customizable Settings: Tailor the inverter to your exact needs. You can easily adjust settings like output voltage, output frequency, input voltage thresholds, and even select your specific battery type and capacity.
  • Power for Your Home: With a robust 3000W continuous power and an impressive 9000W peak power, this inverter is powerful enough for most household appliances – think fridges, microwaves, TVs, power tools, vacuum cleaners, and most kitchen appliances. (Please note, it's not designed for high-power cooking appliances like electric cookers).
  • Built-in Safety: Your safety and appliance protection are paramount. This inverter includes essential safeguards against overload, over-temperature, low battery, and overcharge.

Technical Details at a Glance:

  • Input: 24V DC
  • Output Voltage Options: 208V/220V/230V/240V (Customizable)
  • Output Frequency Options: 50Hz/60Hz/Auto (Customizable)
  • Output Wave: Pure Sine Wave
  • Input Voltage Range: Normal or Wide (Customizable)
  • Compatible Battery Types: Sealed Lead Acid, Gel, AGM, Calcium (Customizable)
  • Adjustable Battery Charging Current: 14A/28A/42A/56A/70A
  • Power Rating: 3000W Nominal, 9000W Peak
  • Efficiency: 88% (Nominal)
  • Special Modes: Power Saving, UPS, Bypass, AC/DC Priority
  • Minimum Battery Voltage: 20V
  • Low Battery Alert: 21V
  • Overcharge Protection Voltage: 31.4V
  • Power Factor: 0.9-1.0
  • Operating Temperature: 0 - 40°C
  • Weight: 26 kg
  • Dimensions: 44.2 x 21.8 x 17.9 cm
  • Warranty: 1-year manufacturer warranty

Important Notes for Installation and Use:

  • Connection Type: This inverter features AC power screw terminals, rather than standard mains power sockets. You can easily connect it to one or more AC mains power sockets using appropriate AC cables. It's compatible with 3-pin UK type mains sockets for the UK and standard European mains sockets for Europe.
  • Cables: Please be aware that connecting cables are not included with the inverter. You'll find detailed recommendations for suitable cable length and thickness in the comprehensive user manual.
  • User Manual: A detailed user manual, covering wiring, installation, and operation, is available for download (check the 'Documents' tab).
  • Free Support: Should you need any assistance with installation or have technical questions, our team is here to help! We offer FREE support – simply contact us by email or phone.

Invest in reliable, clean power for your off-grid adventures or as a dependable backup for your home. The 3000W 24V Pure Sine Wave Low Frequency Inverter offers unparalleled peace of mind with its robust design, superior power quality, and intelligent features. Enjoy the freedom to power your life, your way, with an inverter built for durability and performance. It's more than just a power converter; it's your gateway to energy independence.

View full details