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Resort & Island Off-Grid Power Solutions

Energy stability is essential for resort comfort, safety, and operations—especially in locations unreachable by traditional grids. Here, you’ll find customized system options that help remote destinations maintain seamless service and long-term operational efficiency.

 

 

 

◼ Step 01

Pain Points

🏝️
⦁ No access to mainland grid electricity for islands or remote resorts
💡
⦁ Frequent power interruptions affecting guest experience and operations
⦁ High power demand from lighting, air conditioning, water pumps, and entertainment facilities
🔋
⦁ Inefficient energy use with low-quality inverters
🔌
⦁ Safety risks including overload, short circuits, and overheating
🔧
⦁ Limited on-site technical support in remote locations

◼ Step 02

Solution Overview

Off-grid Inverter for Island - Congsin

CONGSIN off-grid power solutions provide reliable electricity for resorts, private islands, remote lodges, and vacation homes.


Our pure sine wave inverters convert DC power from solar panels or battery storage into stable AC electricity, ensuring uninterrupted operation of critical infrastructure, guest amenities, and essential systems.

Get the Solution

◼ Step 03

Core Advantages

✧ Pure Sine Wave Output
Safe for sensitive electronics, air conditioning, and entertainment systems
✧ High Surge Power
Supports water pumps, refrigeration, and high-demand equipment
✧ Power Supply
Hybrid Solar + Battery System Support
✧ Conversion Efficiency
Up to 95% Conversion Efficiency
✧ Industrial-Grade Durability
Suitable for harsh marine and island environments
✧ Intelligent Protection
Overload, short circuit, low voltage, over-temperature
✧ Compatible
Compatible with 12V / 24V / 48V battery systems
✧ Customization
OEM / ODM customization available

◼ Step 04

How It Works

01
Solar panels or batteries provide DC power
02
The inverter converts DC to pure sine wave AC
03
AC power is distributed to guest rooms, lighting, air conditioning, and entertainment systems
04
MCU intelligent control monitors voltage, current, and temperature
05
MCU intelligent control monitors voltage, current, and temperature

◼ Step 05

Product Recommendations

⦁ 3000W Inverter — Guest rooms, small entertainment areas, lighting

⦁ 5000W Heavy-Duty Inverter — Entire resort facilities, air conditioning, water pumps

⦁ 10,000W High-Power Inverter — Full island or luxury villa setups

⦁ Hybrid Inverter + MPPT Solar Controller Combo

⦁ 12V / 24V / 48V battery system options

1000W 1500W 2000W UPS POWER INVERTER WITH CHARGER 10A 15A 20A DC TO AC 12v24v 110v 220V

1000W 1500W 2000W UPS POWER INVERTER WITH CHARGER 10A 15A 20A DC TO AC 12v24v 110v 220V

1500W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with LED Display, 3 USB Ports, 1 Type-C, 1 DC 12V Output & Two Universal Sockets

Our CS1000DDBC 1000W modified sine wave inverter is a professional power conversion device that converts DC 12V from batteries into AC 220V electricity. It is designed with user convenience in mind, featuring an LED display for real-time status monitoring, multiple charging ports (3 USB, 1 Type-C, 1 DC 12V) and two universal sockets to power a wide range of devices simultaneously. Its compact size (250×95×55mm) and lightweight design (NW: 0.84kg) make it easy to carry, ideal for outdoor activities, emergency home use, and on-the-go power needs.

1500W Modified Sine Wave Inverter, DC 12V to AC 220V Power Inverter with LED Display, 3 USB Ports, 1 Type-C, 1 DC 12V Output & Two Universal Sockets

Dual Input Modified Sine Wave Car Inverter DC12V/24V to AC220V Multi-interface Power Converter 150W

This 150W modified sine wave car inverter supports dual DC12V/24V input and AC220V output. It is equipped with a Type-C port, two 3.1A USB ports, and a national standard socket. It is compact and portable, providing stable AC power conversion in various scenarios such as in the car, meeting the power supply needs of mobile phones, tablets, small home appliances and other devices.

Dual Input Modified Sine Wave Car Inverter DC12V/24V to AC220V Multi-interface Power Converter 150W

1000W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 600W Rated Power Dual Universal Socket Inverter

This 1000W modified sine wave inverter has UPS charging function, with DC12V input and AC220V output, and 600W rated power. Equipped with dual universal sockets, two USB ports, an LCD display, and a battery clip, it is professionally designed and has stable performance. It can provide stable AC power conversion and UPS emergency power supply for computers, small home appliances, electronic devices, etc. in home emergency, office, outdoor and other scenarios, meeting the needs of simultaneous power supply and emergency power supply for multiple devices.

1000W Modified Sine Wave Inverter with UPS Charger DC12V to AC220V 600W Rated Power Dual Universal Socket Inverter

300W Modified Sine Wave Inverter DC12V to AC220V 4 USB Ports Dual Universal Sockets Inverter with LCD Display (with Cigarette Lighter, Battery Clip)

This 300W modified sine wave inverter has DC12V input and AC220V output, with a rated power of 300W. Equipped with 4 USB ports, two universal sockets, an LCD display, as well as 1 cigarette lighter port and a battery clip, it is rich and practical in design. It can provide stable AC power conversion for mobile phones, tablets, small home appliances, vehicle-mounted devices, etc. in vehicle, outdoor, home emergency and other scenarios, meeting the diverse needs of simultaneous power supply for multiple devices.

300W Modified Sine Wave Inverter DC12V to AC220V 4 USB Ports Dual Universal Sockets Inverter with LCD Display (with Cigarette Lighter, Battery Clip)

500W Modified Sine Wave Inverter (Rated 360W) DC12V to AC220V 4 USB Ports (6.8A) Dual LED Display Inverter with Reverse Protection

This 500W modified sine wave inverter has a rated power of 360W, with DC12V input and AC220V output. Equipped with 4 USB ports (total current 6.8A), a universal socket, dual LED displays, a reverse protection function, and a battery clip, it is thoughtfully designed and has stable performance. It can provide stable AC power conversion for mobile phones, tablets, small home appliances and other devices in vehicle, outdoor, home and other scenarios, meeting your need for simultaneous power supply of multiple devices.

500W Modified Sine Wave Inverter (Rated 360W) DC12V to AC220V 4 USB Ports (6.8A) Dual LED Display Inverter with Reverse Protection

500W Modified Sine Wave Inverter (Rated 360W Peak 720W) DC12V to AC220V Inverter with LED Display Universal Socket

This 500W modified sine wave inverter has a rated power of 360W and a peak power of 720W, with DC12V input and AC220V output. Equipped with 1 USB port, universal socket, LED display, external fuse design, and battery clip, it has an exquisite appearance and stable performance. It can provide reliable AC power conversion for mobile phones, small home appliances, electronic devices, etc. in scenarios such as vehicle, outdoor, and home emergency, meeting the power needs of various devices.

500W Modified Sine Wave Inverter (Rated 360W Peak 720W) DC12V to AC220V Inverter with LED Display Universal Socket

Patent Model 2000W Modified Sine Wave Inverter DC12V to AC220V Multi-interface Independent Control Power Converter

This 2000W full-power modified sine wave inverter is a patented model of our factory, with DC12V input and AC220V output. Equipped with an LED display, three AC output sockets, four USB ports, and independent control switches for DC and AC, it can provide stable power conversion for high-power devices and various electronic devices in multiple scenarios, meeting the power needs of home emergencies, outdoor operations, small commercial equipment and other scenarios.

Patent Model 2000W Modified Sine Wave Inverter DC12V to AC220V Multi-interface Independent Control Power Converter

◼ Step 06

Technical Specifications

Output Type Rated Power DC Input Voltage AC Output Voltage

Pure Sine Wave

3000W / 5000W / 10000W

12V / 24V / 48V

110V / 220V ±5%

Frequency Efficiency Peak Surge THD

50/60Hz Auto

≥ 90–95%

2× Rated Power

< 3%

Protection   Cooling Certification

Overload / Over-temp / Low Voltage / Short Circuit

Intelligent Fan Control

CE / RoHS / ISO9001

◼ Step 07

Frequently Asked Questions

Remote Home Off-Grid Power Solutions
Can the inverter handle air conditioning units?
Yes, 5000W+ models support high-demand HVAC systems.
Can the system power a whole resort or island villa complex?
Yes, large-capacity inverters up to 10,000W are available.
Is it compatible with solar panels?
Yes, hybrid inverter + MPPT controller options are provided.
Is it safe for continuous operation without supervision?
Yes, intelligent protection ensures safe long-term operation.

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