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Booth Walkthrough

APsystems Shows AC-Coupled ESS and New QS2 Quad Microinverter at Solar & Storage UK

Maxime Boiron, Global Marketing Director at APsystems, walks through the company's AC-Coupled energy storage system and newly launched QS2 quad microinverter at Solar & Storage Live UK 2025 in Birmingham. He details charger, battery and microinverter specifications aimed at UK residential installers.

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Filmed ·Birmingham, UK·Runtime 03:29Booth Walkthrough ·
Booth Walkthrough
Solar & Storage Live UK 2025 · Birmingham
03:29
Filmed on site · No editorial direction beyond question set · Captions auto-generated, reviewed by EUPD Research

AC-Coupled Storage Built for UK Households

According to Maxime Boiron, APsystems' Global Marketing Director, the booth centers on an AC-Coupled ESS system that pairs chargers with low-voltage batteries. Installers can choose a single-phase 5 kW charger or a three-phase 12 kW unit, then match either to 5, 10 or 15 kWh battery modules. Up to 32 batteries can run in parallel, reaching 160 kWh of total capacity. That modularity, Boiron says, is what builds an ecosystem for UK storage needs. The batteries can maximize self-consumption, back up specific household appliances, or run a home fully off-grid. Microinverters on the roof, either multi-module units for three-phase circuits or dual units for single-phase circuits, complete the setup depending on the property's wiring.

Monitoring and Wider System Integration

Boiron notes that every component, chargers, batteries and microinverters, reports into a single monitoring platform for the system's lifetime. This gives installers and homeowners visibility across the full setup rather than separate dashboards for each device. It also supports the off-grid and backup use cases described for the battery lineup. Interoperability is a stated priority. APsystems is working to make these systems compatible with broader energy management platforms, according to Boiron, so they can coordinate with HVAC products and EV chargers. He points to growing adoption of these technologies in UK households as the reason for prioritizing that integration.

"We are making those systems more interoperable as well when it comes to energy management systems." Boiron · · 02:03

QS2: A New Microinverter for Social Housing

The QS2 is described by Boiron as APsystems' second-generation quad single-phase microinverter, newly introduced to the UK market. It outputs 2200 W AC and connects four high-power modules of up to 600 W each, with 4 MPPT and a warranty extending to 25 years. It is also backward compatible with the existing DS3 series. Boiron positions the QS2 specifically for social housing projects, citing operational efficiency for UK installers as the main benefit. Technical documentation, video tutorials and webinar registration are available on the APsystems website, which he points attendees toward for further detail on the full product range.

"I believe this product is going to be a great fit to social housing, providing operational efficiency to UK installers." Boiron · · 02:51

Chapters

Chapters · click to jump
00:00
AC-Coupled ESS Lineup
Boiron introduces the AC-Coupled ESS system, its single- and three-phase chargers, and modular battery capacity.
01:04
System Functions and Integration
Boiron outlines the battery ecosystem's self-consumption, backup and off-grid uses, along with microinverter pairing and monitoring.
02:18
QS2 Launch and Resources
Boiron introduces the QS2 quad microinverter's specs and positioning, then points viewers to online resources.

Interview transcript

Auto-generated · reviewed · ~3 min read
Hello, very glad to welcome you at Solar & Storage UK in Birmingham this year in 2025. We are on AP System stand and I Maxime Boiron, Global Marketing Director of AP System. What we are seeing here is an AC-Coupled ESS system that includes charger and battery. So you got different options. You have single-phase charger like this one, a 5 kg in and out in terms of power. You got three-phase charger. This one is a 12 kg charger that works with three-phase grid. And you got to pair those charger with low-voltage battery. Here we are showing a 10 kWh low-voltage battery, but we have a range of 5 10 or 15 kWh battery. And you can put them in parallel to reach up to 160 kWh. So you can put actually up to 32 battery in parallel. So that builds an ecosystem when it comes to storage for the UK household. can work to maximize self-consumption. They can also be used as backup for certain appliance on the house. And you can even work them as an off-grid system. That's what we provide here together with of course our microinverters that pair with them on the roof. Whether those are multi-module microinverters on the three-phase side or dual microinverters on the single-phase side, depending on the circuit of the household. have the ability to monitor all of that on the monitoring system during the lifetime of the system. And we are making those systems more interoperable as well when comes to energy management systems so that it can run with HVAC products, EV charger and a lot of other solutions that we are now seeing penetrating UK households. What we are also introducing on the market here in the UK is the new QS2. It's a second-generation quad single-phase microinverter providing 2200 W AC output power and connecting four different high-power modules up to 600 W each. It has 4 MPPT, guaranteed up to 25 years and is backward compatible with our DS3 series. believe this product is going to be a great fit to social housing, providing operational efficiency to UK Installers. For further information, I invite you to go on our website ap-system.com, where you'll find useful resources such as video tutorials, webinar registration and a lot of documentation that will guide you through our solution.
Show full transcript

Frequently asked questions

It pairs a charger, either a single-phase 5 kW unit or a three-phase 12 kW unit, with low-voltage batteries available in 5, 10 or 15 kWh sizes. Up to 32 batteries can be combined in parallel for a total of 160 kWh.

Boiron describes three uses: maximizing self-consumption, providing backup power to specific appliances, and running the household fully off-grid. The same battery modules support all three functions depending on configuration.

Multi-module microinverters serve three-phase circuits, while dual microinverters are used on single-phase circuits. Both feed into a shared monitoring platform for the system’s lifetime.

According to Boiron, APsystems is increasing interoperability with energy management systems so the ESS can coordinate with HVAC products and EV chargers. He cites rising adoption of these technologies in UK households as the driver.

The QS2 outputs 2200 W AC, connects four modules of up to 600 W each, and includes 4 MPPT with a 25-year warranty. It is also backward compatible with the DS3 series.

Boiron positions it for social housing projects in the UK, emphasizing operational efficiency for installers. Full documentation and tutorials are available on the APsystems website.