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Off-grid Inverter Expert

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Outdoor Energy Vision

Pure Sine Wave

Smart ECO Mode friendly to battery&reduce no-load loss，convenient remote control function, pure sine wave technology safeguards your sensitive electronics with stable cleaner power，ideal for RVs, remote cabin, camper trailer, off grid solar system, and outdoor emergency power needs. Empower your independent living.

Modified Sine Wave

Cost-effective, Enjoy remote wired control, reliability with heavy-duty 90% efficiency performance, full advanced protection, clear LCD monitoring – perfect for off grid home, automotive Portable Power,Camping and Car Accessories.
 
home inverter manufacturer

ABOUT US

Connect power and start the future: 
Suzhou Sinemax Electronics Technology Co., Ltd.Sinemax manufacturing, sales and service in automotive and off - grid inverters. Leveraging our expertise in vehicle power supply and supported by global layout “China + Thailand Manufacturing”dual bases, we offer innovative vehicle off grid power solutions worldwide.​

Our main products include 12V/24V 400W - 6000W automotive and off - grid inverters, 100W - 1000W lithium - battery inverters, covering modified and pure sine wave. All products are ETL,CE and ROHS certified, widely apply for automotive power supply, off - grid home systems, RVs, camper trailers and outdoor emergency power needs.

With strong technical strength and innovative design ability, we focus on OEM & ODM services, committed to offer tailoring high-quality and differentiated products for branded customers globally. Thanks to the China - Thailand dual manufacturing model, we help partners gain competitive edges in global markets and stabilize long term win-win cooperative relationship with customers worldwide.
PROFESSIONAL SPIRIT​​​​​​​
Our off - grid inverters offer a comprehensive solution. With high - quality products, professional services, and advanced technology, we ensure stable power supply, meeting diverse needs for reliable off - grid power.​​​​​​​​​​​​​​
  • Service
    OEM&ODM
    One-stop flexible OEM&ODM service, precisely reach out to customer’s demands.
  • Techinacal
    Senior R&D Team
    Electronics &Structural Engineer with 7-8 years working experience on inverter, software engineer with over 10 years professional design experience.
  • Manufactory
    Production Base
    global layout “China + Thailand Manufacturing”dual bases，enable strong competitive ablity
  • Soluthion
    Focus on Solutions
    Sinemax delivers reliable pure sine wave power solutions for any off-grid scenario, engineered for global standards.

Off-grid Inverter Solutions

Pure sine wave inverter
home solar inverter solution

Pure Sine Wave Inverter Solution

SINEMAX Pure Sine Wave Series delivers grid-quality AC power (12V 1100W-3000W) with >90% efficiency, engineered for sensitive electronics. Featuring ECO mode (20% power savings), smart remote control, and multi-protection systems (overload/voltage/temperature), our inverters are RV/solar-ready with LCD monitoring and QC3.0 USB ports. CE-certified (IEC 62368-1) for global off-grid homes, medical devices, and outdoor adventures.
 
 Key Features:
✓ Grid power grade output
✓ ECO modesave battery
✓ 2x faster charging (18W USB-C)
✓ China-Thiland OEM customization

Modified Sine Wave Inverter Solution

SINEMAX Modified Sine Wave Series (12V 1100 W-6000W) balances performance and affordability with 90% efficiency. Includes free wired remote, real-time LCD diagnostics, and industrial-grade protection. ETL(UL 458)/CE(IEC 62368-1)certified for campers, job sites, and emergency backup power.

 

Value Proposition:

✓ cost-effective for outdoor backup power

✓ heavy duty cable with ANL fuse kit

✓ Remote control function

1
Portable Inverter Showcase
A Must-Have for Outdoor Adventures

Modified Sine Wave Inverter

Lasted News

  • Recommended for Bookmarking: A Comprehensive Guide To Household Off-grid Inverters.

    Recommended for Bookmarking: A Comprehensive Guide To Household Off-grid Inverters.
    The home off-grid inverter technical guide1. Core Technical PrinciplesEnergy Conversion Flow: Off-grid inverters convert DC power from solar panels into AC power for household appliances while managing battery charging/discharging for 24/7 power supply.Critical Control Technologies:Dual-Loop Control Read More
  • What’s the fundamental difference between pure/modified sine wave in off-grid inverters?

    What’s the fundamental difference between pure/modified sine wave in off-grid inverters?
    Here's a detailed technical comparison between pure and modified sine wave off-grid inverters:1. Waveform CharacteristicsPure sine waves provide the same smooth and clean electricity as the household power grid; modified sine waves simulate alternating current through steps, which are lower in cost Read More
  • Off-Grid Portable Inverters 2025 | Pure/Modified Sine Wave Options

    Off-Grid Portable Inverters 2025 | Pure/Modified Sine Wave Options
    Power Anywhere: The Ultimate Guide to Off-Grid Portable Inverters (2025)Why Off-Grid Inverters Are EssentialIn our tech-driven world, reliable power is non-negotiable - even in remote locations. Off-grid portable inverters unlock true freedom by converting battery DC power into usable AC electricity Read More
  • Home Off-Grid Inverters 2025 | Solar Backup & Emergency Power

    Home Off-Grid Inverters 2025 | Solar Backup & Emergency Power
    Home Off-Grid Inverter Solutions: Power Your Independence (2025 Guide)Why Every Home Needs an Off-Grid InverterIn today's energy-conscious world, off-grid inverters empower homeowners to break free from traditional power systems. These essential devices convert DC power from solar panels or batterie Read More
TESTIMONIALS
WHAT OUR CLIENTS SAY
  • “Their off grid pure sine power inverter compiance with (UL458)on first try. The dual China-Thailand production let us scale from 500 to 5,000 units/month without quality dips. More than a vendor – a power partner.”
    Jack Wilson-CEO Energy Solutions 26 March, 2025
  • “Ordered 8,000 custom 3000W inverters with our branding and 50°C thermal specs. Sinemax’s Thailand factory delivered zero defects while cutting lead times by 40%. Finally, an Asian supplier that understands ‘rush’ means yesterday!”

    Brian Murdoch– Supply Chain Director  11 December, 2024
  • ”Initially, concerns existed about Chinese factories' communication efficiency, but Sinemax's team addressed them with English - fluent engineers and daily production photos. When the first batch of 2,000 12V 3000W inverters arrived, three had scratched casings. They swiftly air - freighted replacements within 72 hours - faster than our local suppliers.“ Richard Smith-Outback Mining Tech 09May, 2025
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    Add: Building No.3, Liu Fang Science Park, No.1 Fuda Road, Suzhou Industrial Park, Jiangsu, China
    contact: kelly
    Tel: 0512-62797076
    Email: sales@sinemax.cn

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