Marstek Venus A All-in-One Battery & Inverter

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Specifications

Marstek product line	Marstek Venus A
Weight	24 kg

Description

The Marstek Venus A is a compact all-in-one energy storage system (ESS) designed for residential and balcony solar applications. With an integrated inverter and battery, it simplifies installation while delivering efficient energy management through four independent MPPT channels, capturing up to 2400W of solar input. Its AC-coupled design ensures seamless compatibility with existing PV systems, making it a flexible solution for both new and retrofit installations.

Powered by MARSTEK Intelligence (AI), the system optimizes energy usage by automatically managing charging, discharging, and self-consumption. With <15 ms backup switching, reliable LFP battery technology, and modular scalability up to 12.72kWh, the Venus A provides stable, long-term performance in any environment. Its IP65-rated design and wide operating temperature range ensure durability, while smart app control and multiple communication options give users full visibility and control over their energy system.

Key Features & Benefits

All-in-One Design – Integrated battery and inverter for simple, space-saving installation
4 MPPT Inputs – Up to 2.4kW solar input for optimized energy harvesting
Backup Power – 1200W output (1440W peak) with <15 ms switching for uninterrupted supply
Expandable Storage – From 2.12kWh up to 12.72kWh to match growing energy needs
AI Energy Management – MARSTEK Intelligence maximizes self-consumption and reduces costs
Plug & Play Installation – Ready in minutes with minimal setup required
Durable LFP Batteries – 6000+ cycles, 15-year design life, and 10-year warranty
Smart Monitoring – App control with Wi-Fi, Bluetooth, and Ethernet connectivity
Wide Compatibility – AC-coupled for integration with existing solar systems
Robust Design – IP65 protection and operation from -20°C to 60°C

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Frequently Asked Questions

Find quick answers to the most common questions about ordering, delivery and support.

When will my order be delivered?

We aim to deliver your order as quickly as possible (7–10 business days). Delivery is handled by an external logistics partner and shipped to the address you provided during checkout. We guarantee delivery no later than 30 days after order confirmation.

What are the shipping costs?

Shipping costs are calculated based on the order size and delivery address. In some cases, shipping is free above a certain order volume. This is clearly shown before you complete your purchase. If shipping costs apply, they are always visible at checkout.

Can I return my order?

Yes. You can return products within 14 days of receiving them. Please submit a return request first via the return form or by email. Once confirmed, the product must be sent back within 14 days, preferably in the original packaging and in the same condition.

Are there any costs for returns?

Yes. Returns are subject to an administration fee of 5% of the total order value. Return shipping costs are at your expense. After we receive and inspect the returned product, the remaining amount will be refunded within 7 days.

What warranty applies to the products?

Products are supplied by manufacturers or distributors. The manufacturer's warranty conditions apply to each product and may vary by brand and product type. Please consult the product documentation for exact coverage and duration. For inverter repairs performed via our service, we provide a 3-year warranty on proper operation of the repaired inverter.

Which payment methods are accepted?

We accept: American Express, Bancontact, iDEAL, Maestro, Mastercard and Visa. In some cases, and subject to credit approval, payment by invoice may also be possible. All available options are shown during checkout.

Can I cancel or change my order?

Cancellation is only possible before the order is processed. Please submit your cancellation request in writing. Cancellations without valid reason are subject to a fee of 5% of the total order value, with a minimum of €25. For custom-made or specially ordered products already processed, full costs may apply.

What should I do if my order arrives damaged?

If your order arrives damaged, contact us as soon as possible by email or phone. Include clear photos and a description of the issue. We will review your case and advise next steps. Reporting damage promptly helps us resolve it efficiently.

What happens if my delivery is delayed?

If a delay occurs, you will be informed in writing. We guarantee delivery no later than 30 days after confirmation. If delivery cannot be completed within that period, you may request a refund or a replacement product of equal value.

How can I contact customer support?

You can contact us by phone (+31 180 810402) or email (sales@search4solar.com). Our office is located in Barendrecht, the Netherlands, and we also operate from Valencia, Spain. We aim to respond to complaints within 7 days; if more time is needed, you will receive confirmation within 2 days with an estimated response date.