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    Home / Photovoltaics / Batteries for photovoltaics / Marstek Venus-E 2.0 AC Battery

    Marstek Venus-E 2.0 AC Battery

    Code: MARSTEK-VENUS-E2
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    Marstek Venus-E AC Battery
    €1 190 €1 463,70 incl. VAT
    In external warehouse
    Delivery to:
    13.08.2025

    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 2.0 Version have several improvements over the last version, such as:

    • Floor Mounting only
    • Casters only/dual top handles added

    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

    • 800W / 2500W on-grid AC output power
    • 2500W fast charging, full charge in approx. 1 hour
    • 5.12 kWh LFP battery with over 6000 cycles and 15-year lifespan
    • Scalable up to 4 units per phase, enabling 10 kW output / 20.48 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

    Additional parameters

    Category: Batteries for photovoltaics
    Weight: 64 kg
    Brand: Marstek
    Degree of protection (IP): IP65
    Communication: RS485, Wi-Fi, LAN, Bluetooth
    Maximum output current: 10.9 A
    Nominal voltage: 230 V
    Lenght: 224 mm
    Width: 520 mm
    Height: 640 mm
    Usable energy: 5,12 kWh
    Battery type: Low voltage
    Discharge power: 800 W

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    Founded in 2020, MARSTEK is dedicated to making clean energy accessible and affordable for every household. Combining innovation with a bold vision, MARSTEK developed its own lithium iron phosphate laminated cells and introduced the world’s first household micro-solar battery storage system—pioneering advancements in residential energy solutions.

    The name MARSTEK blends "Mars" and "Technology," symbolizing the company’s commitment to exploration, innovation, and pushing the boundaries of what’s possible.