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Less Space. More Power. Meet the New LSA Series.
APstorage energy storage unit mounted on a pole, white enclosure with orange APstorage logo and a black control panel showing green indicator lights at the bottom.
APstorage energy storage unit mounted on a pole, white enclosure with orange APstorage logo and a black control panel showing green indicator lights at the bottom.
Rectangular cooling module with four round fans and densely finned surface inside a metal enclosure, viewed from the front.
Rectangular cooling module with four round fans and densely finned surface inside a metal enclosure, viewed from the front.
Back view of APstorage device showing its orange logo and a black status strip with system, Wi‑Fi, and alarm indicators.
Back view of APstorage device showing its orange logo and a black status strip with system, Wi‑Fi, and alarm indicators.
Solar inverter unit with white top and black base, side connectors visible for power input/output.
Solar inverter unit with white top and black base, side connectors visible for power input/output.
The APstorage LSA Series is a compact, single-phase, low-voltage battery inverter designed for intelligent residential energy management and dependable backup power.

Available in four power classes from 3,680 VA to 6,000 VA, the LSA Series combines a flexible 48 V battery architecture with up to 9,000 VA of peak backup output and UPS-level switching in 4 milliseconds or less. Its AC-coupled design makes it easy to integrate energy storage into both new and existing residential solar systems.

  • Modern, contemporary home façade with wooden panels, large glass doors, and a white car in the covered driveway area.
  • Cutaway view of a two-story home at night, showing a warmly lit living room, kitchen, dining area, upstairs bedroom and office, and a garage with a car.
  • Contemporary two-story home with large glass front, attached garage, and a rectangular pool in a landscaped yard.
  • Contemporary two-story home with rooftop solar panels, a glass-walled garage area, and a poolside yard.
  • Modern two-story house with a large glass front, wooden panels, balcony, and a driveway with a white car beside a rectangular pool.
  • White electric car plugged into a wall-mounted charging station in a modern garage, soft ceiling lights overhead.
  • Modern two-story white house with a dark, angled roof and attached garage on a quiet suburban street (aerial view)
  • Modern two-story house illuminated from within at dusk, with a white car in the attached garage and surrounding suburb scenery.
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Product Documentation:

Explore technical specifications, installation information and additional product resources for the APstorage LSA Series.

download documentation

Key Features

✔ Four models with 3,680 VA, 4,600 VA, 5,000 VA or 6,000 VA of continuous AC output

✔ Up to 9,000 VA of peak backup output for 10 seconds

✔ 48 V low-voltage battery design

✔ Up to 125 A continuous battery charging and discharging

✔ UPS-level backup switching in 4 milliseconds or less

✔ Up to 96.1% maximum efficiency

✔ Compatible with mainstream low-voltage batteries

✔ Designed to integrate with new or existing solar systems

✔ IP65-rated enclosure for outdoor installation

✔ Fanless natural cooling with operating noise below 30 dB

✔ Zero-export capability

✔ Real-time monitoring through the EMA App, EMA Web and EMA Manager

✔ Wi-Fi, Bluetooth, RS485 and CAN communications

✔ Modbus and Open API support

✔ VPP-ready design

✔ Compact, tool-free wiring design

✔ 10-year warranty

COMPACT DESIGN

Powerful Performance Without Taking Over the Wall
Measuring just 434 × 352 × 181 mm and weighing 15.9 kg, the LSA Series is approximately 20% smaller while delivering powerful residential energy-storage performance. Tool-free wiring helps simplify installation, while its fanless design supports ultra-quiet operation.

AP Storage enclosure with orange logo and a black oval status panel showing green LEDs.

Smart Energy Management

More Control Over How Home Energy Is Used


The LSA Series offers multiple operating modes that allow homeowners to manage energy around their individual needs, electricity rates and backup priorities.

Orange circular badge containing a white microchip icon with two star-like sparkles, suggesting high performance.

AI MODE

Intelligently optimizes battery charging and discharging based on household energy requirements.

Icon of a house with a sun and a battery, representing solar energy and storage.

SELF-CONSUMPTION

Stores excess solar energy for use when household demand exceeds current solar production.

Orange circular icon featuring a white clock with a lightning bolt, suggesting fast or urgent timing or service.

TIME-BASED CONTROL

Charges and discharges the battery according to electricity rates and preferred operating schedules.

Orange circular badge with a white shield containing a house and a lightning bolt, symbolizing home electrical protection or safety.

BACKUP POWER

Keeps essential household loads powered during a grid outage with UPS-level switching in 4 milliseconds or less.

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APsystems

Powering the globe. Including your corner of it.

APsystems is the #1 global multi-platform MLPE solution provider, offering microinverter, energy storage and rapid shutdown devices for the global solar PV industry. APsystems microinverters are intelligent, innovative, and the best-selling multi-module microinverters in the world.

Founded in Silicon Valley in 2010, APsystems encompasses 6 global business units serving customers in over 160 countries. With millions of units sold producing more than 8 TWh of clean,, renewable energy, APsystems continues to be a leader in the ever-growing solar MLPE segment.

Our Technology

APsystems is the #1 global multi-platform MLPE solution provider, offering microinverter, energy storage and rapid shutdown devices for the solar PV industry. APsystems brands include APsmart and APstorage.  APsystems encompasses 6 global business units serving customers in over 160 countries. With millions of units sold producing more than 8TWh of clean, renewable energy, APsystems continues to be a leader in the ever-growing solar MLPE segment.

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News

  • Exhibition booth for APsystems with orange and black branding, display panels, and seating on a light floor. A trade show setup promoting solar power products.APsystems to Showcase Next-Generation Solar, Storage & Plug-In Energy Innovations at Solar & Storage Live 2026 in BirminghamJune 30, 2026 - 1:04 pm
  • APstorage equipment lineup displayed on an orange circular platform with the APstorage logo visible in the top-right corner, set against a light background.APsystems Unveils Comprehensive Energy Storage Portfolio at Intersolar Europe 2026June 17, 2026 - 1:47 am
  • APsystemsVisit APsystems at Intersolar Europe 2026 | Booth B3.370 | June 23–25May 28, 2026 - 9:51 am
  • Hero banner showing APsystems' logo with the slogan “AI-powered Solar & Storage Solutions for a Smarter Energy World” over a clean blue background and rows of solar/storage equipment on display.APsystems Releases 2025 ESG Report: Strengthening Governance and Driving Innovation with AIMay 11, 2026 - 9:39 pm
  • Visit APsystems at Solar & Storage Live London – April 29 & 30March 23, 2026 - 3:19 pm

Contact Details

At APsystems, we are committed to providing the highest quality service to our customers and partners around the world.
Phone: +31-85-3018499 or +33-481 65 60 40

Email:emea@APsystems.com

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