APsystems Launches the QS2 Microinverter: Maximum Power, Reliability, and Flexibility for Modern Solar Rooftops

Designed to meet the growing demands of today’s high-power PV modules, the QS2 sets a new benchmark in performance, safety, and installation efficiency.

The QS2 microinverter is optimized for modern high-output panels, supports four modules per unit with independent MPPTs, and provides reliable performance with proven safety features. It is especially attractive to installers who value scalability, easy installation, and long-term reliability.

The QS2 is a quad microinverter that connects up to four modules, each with independent MPPT and monitoring, delivering a maximum continuous output power of 2200 VA. With 99.5% MPPT efficiency and 96% peak efficiency, the QS2 ensures maximum energy harvest, making it ideal for both residential and small-to-medium commercial rooftop systems.

“Installers are looking for solutions that combine power, flexibility, and safety,” said Maxime Boiron, Marketing Director at APsystems. “The QS2 delivers all of this in a compact, reliable design that is easy to install and perfectly aligned with the latest high-power PV technologies.”

Key features include:

• High productivity: Optimized for next-generation PV modules, delivering superior efficiency.
• Smart design: Four independent MPPT channels, encrypted ZigBee communication, and compatibility with APsystems’ DS3 series for maximum flexibility.
• Proven safety: Low 60V DC input, rapid shutdown compliance, and galvanic isolation for ultimate protection.
• High reliability: IP67-rated enclosure, silicone-encapsulation for durability, and rigorous lifetime testing

Smarter Connectivity with Upgraded ZigBee on QS2
The new QS2 microinverter features an enhanced ZigBee communication module, designed for greater speed, stability, and efficiency.
With 50% lower power consumption, 50% faster chip frequency, and 10× memory capacity, the upgraded ZigBee ensures robust performance. The improved MESH network enhances real-time data flow and system reliability, even in large or complex rooftop setups. AES-128 encryption and anti-interference design further secure your energy data, making QS2 smarter from the inside out. The QS2 is backed by APsystems’ standard 12-year warranty, extendable to 25 years, ensuring long-term peace of mind for both installers and system owners. With the QS2, installers can reduce balance-of-system costs, streamline installations, and deliver future-proof solar solutions that adapt to the evolving PV landscape.

The QS2 microinverter is now orderable and available at our distributors.

More information can be found in our library, images can be found in our media library.

 

 

I today’s rapidly evolving energy landscape, artificial intelligence is transforming the way we generate, store, and manage power. From intelligent manufacturing to real-time optimization, AI is enabling breakthroughs across industries—and APsystems is at the forefront of this shift. By combining advanced solar and energy storage technologies with AI innovation, the company is reshaping what’s possible in residential, commercial, and DIY energy solutions.

Smart Integration of Solar, Storage, and AI

APsystems has long championed the convergence of solar and storage—now supercharged by AI. In the micro energy segment, the company’s EZ1 and EZHI series offer easy-to-install, plug-and-play systems that empower users to achieve energy independence on their own terms.

For residential applications, high-current 20A microinverters seamlessly pair with the APstorage ELS/ELT battery series to meet the dynamic energy needs of today’s households. In the C&I space, the three-phase QT2 microinverter delivers efficient, flexible performance for businesses aiming to lower costs and maximize output.

At every stage of the energy journey—pre-sales, installation, and ongoing operations—APsystems is embedding AI into its ecosystem. From intelligent design tools to smart energy management and AI-driven customer support, the goal is simple: increase system performance, reduce complexity, and elevate the user experience.

AI in Action: Optimizing Energy Management

One of the most compelling examples of AI at work is APsystems’ “BESS AI” model. This advanced algorithm uses deep learning to analyze solar production, energy usage, and regional electricity pricing. It then generates a custom battery charging strategy for each home, which is automatically sent to the user’s energy storage system.

The result? Smarter use of stored power, reduced reliance on the grid, and greater savings—especially in regions with time-of-use pricing. For residential users, it’s a game-changer.

 

Designing Smarter with AP Designer

To simplify system planning, APsystems developed AP Designer, a powerful AI-driven solar design tool. By integrating satellite imagery, image recognition, and 3D modeling, the platform can assess rooftops, tree coverage, and shading to deliver one-click solar layouts with speed and precision.

The tool also produces professional-grade system diagrams, BOMs, cost-benefit analyses, and simulation reports—helping solar professionals cut design time while increasing accuracy.

 

AI-Powered Customer Support with APbot

Customer support has also evolved. APbot, APsystems’ AI assistant, uses large language models and retrieval-augmented generation (RAG) to provide fast, accurate answers to customer questions across pre-sales, installation, and post-sales phases.

Built on a comprehensive technical and product knowledge base, APbot supports multiple deployment options—from embedded web chat to integration with the EMA platform and mobile app. It also includes smart features like contextual follow-ups, video recommendations, and multilingual support for global markets—all monitored in real time to ensure quality and compliance.

A Company-Wide AI Strategy

AI isn’t just a product feature—it’s part of APsystems’ company DNA. Through internal programs like the “+AI Application Research Institute” and “AI Open Day,” the company is investing in AI literacy, streamlining workflows, and identifying new ways to bring intelligent automation into daily operations.

By committing to real-world, value-driven AI adoption, APsystems is expanding its “Smart Energy + AI” ecosystem to deliver a more connected, efficient, and sustainable future.