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title: "Marstek MARS I PLUS Battery 5.12kWh"
description: "Marstek MARS I PLUS: 5.12kWh LFP expansion battery. High-voltage ESS with V-Boost & 10-year warranty. Scalable up to 30.72kWh. Order at ESTG!"

type: product_page

---

# Marstek MARS I PLUS Expansion Battery - 5.12kWh LFP - High Voltage - Art.No.: MST-MARS I PLUS-5.0KBAT

## Specifications

- **Barcode**: 6951525704819
- **Brand**: Marstek
- **HS code**: 8507600090
- **Manufactor**: Marstek
- **Net Height**: 390 MILLIMETER
- **Net Length**: 628 MILLIMETER
- **Net Weight**: 64 KILOGRAM
- **Net Width**: 196 MILLIMETER
- **Origin**: China
- **Battery capacity**: 5.12 KILOWATT
- **Ingress Protection**: IP65
- **Number of phases**: 1 phase, 3 phase
- **System**: Marstek MARS I
- **Voltage battery**: High
- **Warranty in Years**: 10

## 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](https://www.estg.eu/en-gb/p/MST-MARS-I-1PH):** The ideal single-phase hybrid solution.
- **[Marstek MARS I PLUS 12kW Bundle](https://www.estg.eu/en-gb/p/MST-MARS-I-3PH):** For powerful three-phase residential systems.


Comes with a solid **10-year manufacturer's warranty** for maximum peace of mind.

## Downloads

- [Marstek MARS I PLUS  3PH  Datasheet](https://cdn.estg.eu/p/2/0/6/9/206944a08c00afcb0d7aaf0a61c9e5d95f4e7288_Marstek_MARS_I_PLUS__3PH__Datasheet.pdf)
- [Marstek MARS I PLUS  1PH  Datasheet](https://cdn.estg.eu/p/0/2/2/3/0223ec10ceff7c3ea5becfc6a31b0c3034510589_Marstek_MARS_I_PLUS__1PH__Datasheet.pdf)