Off Grid Solar Inverter 1.2KW High frequency Wall Mounted LCD WIFI MPPT Solar Controller

Off Grid Solar Inverter 1.2KW High frequency Wall Mounted LCD WIFI MPPT Solar Controller

The Smart PY3 Series is a wall-mounted, high-frequency off-grid inverter that combines a pure sine wave inverter with an intelligent MPPT solar charge controller. Designed for residential and light commercial power setups, it supports a broad photovoltaic input range and can operate directly from solar panels when sunlight is sufficient, reducing or even eliminating the need for batteries in certain scenarios.

Leveraging advanced MPPT algorithms and smart BMS integration, the PY3 Series ensures precise energy management, superior battery protection, and maximum system efficiency. Its compact footprint, low standby power draw, and high conversion efficiency enable smooth, rapid transitions between solar, grid, and battery power sources, delivering consistent, high-quality electricity for homes, offices, and small-scale industrial applications.

FEATURES:

SPECIFICATIONS:

APPLICATIONS:

Designed to provide reliable power for:

The image below illustrates the usage example:

RSUN Support & Customization Services:

• Sample & Evaluation Support
  We offer trial units to help you assess product performance and ensure compatibility with your specific applications.
• Comprehensive Warranty Protection
  All RSUN UPS systems, solar controllers, and DC inverters come with a clear, dependable warranty, giving you confidence in long-term operation.
• Tailored OEM Solutions
  Through our ISO-certified production facilities, RSUN delivers flexible OEM services—including design, prototyping, manufacturing, and quality assurance. With over a decade of experience, our scalable processes have successfully supported international partners across diverse industries.

UPS Manufacturer | Lithium UPS, Inverter, Lithium Battery Factory | OEM & ODM Power Solutions

RSUN POWER TECHNOLOGY CO., LTD is a professional UPS manufacturer and power solution provider, specializing in UPS systems, lithium UPS, ALL-IN-ONE power systems, lithium battery packs, and inverter solutions.

We focus on providing reliable, scalable, and professional power solutions, supporting customers with bulk procurement, project-based deployment, and long-term cooperation.

Manufacturing Strength & Technical Capability

RSUN POWER operates a 20,000 square meter modern manufacturing facility with more than 500 employees, including a dedicated engineering and technical team specialized in power electronics, UPS systems, lithium battery integration, and inverter technology.

Core Manufacturing Advantages:

•  In-house PCB design and PCB manufacturing

•  Advanced SMT lines and automated assembly

•  Professional R&D teams for UPS, lithium battery, and inverter systems

•  Full aging tests, load tests, and safety inspections

•  Strict quality control from components to finished products

By controlling key technology and production processes internally, we ensure consistent quality, cost efficiency, and fast response.

Products & Power Solutions

RSUN POWER manufactures and supplies a full range of professional power products, including:

• Online UPS systems (Single Phase & Three Phase)

• Line Interactive UPS
• Offline UPS

• Low frequency UPS and industrial UPS

• Modular UPS power systems

• Mini DC UPS for network equipment

• Inverter power supply solutions

• Lithium Ion UPS
• All in one ESS
• LiFePO4 Battery

• UPS with external battery backup systems

• OEM / ODM customized UPS solutions

Products are mainly supplied through B2B, distributor, and project-based channels, supporting bulk delivery, structured procurement, and long-term cooperation.

Main Customer Groups We Support

RSUN POWER primarily works with professional and organizational customers, including:

• UPS distributors and wholesalers

•  IT system integrators and IT solution providers

•  Engineering and EPC contractors

•  Solar energy and renewable power companies

•  Energy storage and hybrid system providers

•  Telecom and data center project companies

•  Security, CCTV, and monitoring system integrators

•  Retail chain and POS solution providers

•  OEM brands and private-label partners

•  Organizations with bulk or project-based power requirements

Our factory is built to support large-scale production, customized manufacturing, and stable long-term supply, meeting the requirements of distributors, integrators, and project customers worldwide. We understand the needs of procurement teams, engineers, and project managers across different industries.

Our Vision

To become a global leader in the UPS industry by maintaining excellence in technology, R&D capability, manufacturing scale, and modern management practices.

Our Mission

To consistently deliver the most reliable, intelligent, and safe UPS systems, inverters, and battery solutions.
We are committed to positioning China’s UPS industry on the world stage, empowering our employees to achieve personal growth and creating a happier, more fulfilling life through meaningful work.