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    Home / Photovoltaics / Batteries for photovoltaics / Marstek Venus-E 3.0 AC Battery

    Marstek Venus-E 3.0 AC Battery

    Code: MARSTEK-VENUS-E3
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    Marstek Venus-E 3.0 AC Battery
    €0 €0 incl. VAT
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    The Marstek Venus E is a high-performance 5.12 kWh LiFePO₄ AC-coupled energy storage system designed for seamless integration with any PV setup. Featuring up to 2.5 kW on-grid and backup output, it supports whole-home backup in both single- and three-phase configurations. Expandable up to 4 units per phase, it offers plug-and-play installation, smart meter compatibility (CT003/Shelly), and anti-feed-in for 100% self-consumption. With >6,000 cycle life, LAN/RS485/Wi-Fi/Bluetooth connectivity, and EMS-ready open API/Modbus protocol, the Venus E delivers scalable, intelligent energy management for residential and commercial. needs.

    The 3.0 Version have several improvements over the last versions, such as:

    • Smaller and lighther
    • Wall mounted option
    • New Eternet communication 

    Detailed information

    Fair price
    Fair price
    We offer competitive prices with an emphasis on quality and transparency
    Fast delivery
    Fast delivery
    Products in stock, ships now. Backordered items ship in 5 days.
    Loyalty bonus
    Loyalty bonus
    Regular customers get discounts and bonuses for their loyalty.
    Expert turnkey installation
    Expert turnkey installation
    We provide end-to-end services with a quality guarantee.

    Product detailed description

    Key Features:

    Performance & Capacity

    • 2500W on-grid AC output power
    • 2500W fast charging, full charge in approx. 2 hours
    • 5.12 kWh LFP battery with over 6000 cycles and 15-year lifespan
    • Scalable up to 3 units per phase, enabling 7.5 kW output / 15.36 kWh per phase

    PV & Smart Integration

    • Compatible with any existing PV system
    • Anti-feed-in & 100% self-consumption enabled
    • Supports Marstek CT003 / Shelly smart meters for AI optimization
    • Enables zero energy waste through real-time smart meter management
    • Integrates with external EMS via Open API / Modbus / LAN / RS485 / WiFi / BT

    Home Backup & Grid Interaction

    • Provides 2500W backup power within 12ms (UPS function)
    • Supports whole-home backup, single- and three-phase systems
    • Supports intelligent electricity trading (grid interaction for profit)

    Installation & Durability

    • 5-second plug & play installation
    • IP65-rated waterproof and weather-resistant
    • Operates in extreme conditions down to -20°C
    • Compact and sleek design suitable for indoor and outdoor use

    Reliability & Warranty

    • Designed for long-term residential & light commercial energy management

    Modes

    • AI-Powered Optimization: Leverages artificial intelligence to study electricity consumption patterns and market prices, generating smart charging strategies that cut costs, boost savings, and improve energy efficiency.

    • Smart Self-Consumption: With integrated smart metering, the system tracks household energy usage in real time, intelligently adjusting charging and discharging to enhance efficiency and maximize energy utilization.

    • Flexible Manual Control: Provides the option to manually set schedules and customize charging and discharging preferences for greater user control.

    Additional parameters

    Category: Batteries for photovoltaics
    Weight: 63 kg
    Brand: Marstek
    Lenght: 150 mm
    Width: 480 mm
    Height: 620 mm
    Power: 2500 W
    Degree of protection (IP): IP65
    Communication: RS485, Ethernet, Wi-Fi
    Maximum output current: 13.4 A
    Nominal voltage: 230 V
    Battery type: Low voltage
    Usable energy: 5,12 kWh

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    MARSTEK, founded in 2020, is on a mission to make clean energy accessible and affordable for every household. The company developed its own lithium iron phosphate (LFP) laminated cells and introduced the world's first household micro-solar battery storage system, pioneering a new category of compact, plug-and-play residential energy storage.

    The name MARSTEK blends "Mars" and "Technology," reflecting the company's bold commitment to exploration and innovation. MARSTEK products are designed for simplicity, safety, and maximum value, enabling homeowners to store solar energy and reduce electricity costs without complex installations or high upfront investment.

    Manufacturing company : Marstek Energy Co., Ltd.
    Address : 815 Brazos St, Austin, TX 78701, USA
    E-mail : [email protected]
    EU representative of the manufacturer : Marstek GmbH
    Address of the EU representative : Wiesenstrasse 21, 40549 Düsseldorf, Germany
    Email of the EU representative : [email protected]