Stackable All In One ESS 1200W / 4.02kWh Energy Storage System ESS LCD Display PV Input

Stackable All-in-One 1200W / 4.02kWh Energy Storage System ESS LCD display PV input

The RSUN Stacked RSN Series is a compact, all-in-one residential energy storage system featuring a modular, stackable battery design for simplified installation and scalability. Designed for smart energy independence, it captures and stores surplus solar energy during the day to power household appliances and equipment efficiently, educing grid reliance and electricity costs.

Equipped with integrated WiFi and Bluetooth, users can remotely monitor and manage system performance via mobile devices anytime, anywhere. The floor-standing form factor and minimalist footprint make it ideal for space-conscious indoor applications, delivering a seamless blend of functionality, reliability, and modern energy management.

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With over 23 years of industry expertise, RSUN POWER is a trusted manufacturer specializing in Uninterruptible Power Supplies (UPS), inverters, and battery solutions. Our state-of-the-art factory spans nearly 20,000 square meters and is equipped with 33 fully automated SMT production lines, over 10 sets of automated insertion equipment, ICT PCB testing systems, ATE automated testing centers, and a dedicated aging workshop to ensure the highest product reliability.

Supported by a team of over 500 skilled professionals, including 30 experienced R&D engineers, we are committed to continuous innovation, superior product quality, and exceptional customer service. RSUN POWER stands as a leading force in the power electronics industry, delivering dependable solutions to customers worldwide.

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.

Since its establishment in 2002, RSUN POWER has steadily grown into a leading manufacturer of UPS systems, inverters, and batteries. Through continuous innovation, global expansion, and investment in advanced manufacturing technologies, we have achieved key milestones that reflect our commitment to quality, reliability, and customer satisfaction. The timeline below highlights the significant stages of our development and the strategic steps that have shaped our success over the years.