Marstek MARS I PLUS Expansion Battery - 5.12kWh LFP - High Voltage
628 x 196 x 390 mm
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Specifications
| Capacity | 5.12 |
| Dimensions | 628 x 196 x 390 mm |
| Recent offer at | 2026-10-29T05:15:55.595Z |
| Recent offer currency | EUR |
| Recent offer price | 1012.52 |
| Recent offer unit label | Unit |
| Voltage nominal | 800 |
| Weight kg | 64 |
Description
Scalable Energy Storage: Marstek MARS I PLUS 5.12kWh Battery Module
The Marstek MARS I PLUS Expansion Battery is a high-performance LFP (Lithium Iron Phosphate) module designed for seamless integration with MARS I PLUS hybrid inverters. With a capacity of 5.12kWh per module, this battery provides a safe, durable, and highly efficient solution for residential energy storage. Its advanced high-voltage technology ensures minimal conversion losses and maximum performance.
Why choose the MARS I PLUS Battery Module?
- V-Boost Technology: The innovative V-Boost feature eliminates cell imbalance, resulting in a longer lifespan and more consistent energy delivery.
- Modular and Scalable: Easily expand your system up to 6 battery packs per inverter for a total capacity of 30.72kWh.
- Safety and Durability: The high-quality LFP cells offer 6000+ cycles and provide the highest level of fire safety.
- Extreme Weather Resistance: With an IP65 rating and an operating temperature range of -25°C to 60°C, the battery is suitable for almost any location.
- Whisper-Quiet Operation: Operating at sub-30dB, this module is practically silent and unobtrusive.
Complete your system
This battery module is specifically designed for use with the following systems:
- Marstek MARS I PLUS 6kW Bundle: The ideal single-phase hybrid solution.
- Marstek MARS I PLUS 12kW Bundle: For powerful three-phase residential systems.
Comes with a solid 10-year manufacturer's warranty for maximum peace of mind.
Product datasheet
Marstek MARS I PLUS Expansion Battery - 5.12kWh LFP - High Voltage
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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.