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title: "Marstek Venus D expansion battery | Check active stock"
description: "Select the modular Marstek Venus D expansion battery at ESTG. Easily expandable up to 15.36kWh. Check current availability and buy online!"

type: product_page

---

# Marstek Venus D Expansion Battery - 2.56kWh LFP - for Balcony ESS - Art.No.: MST-E2.5ST-D

## Specifications

- **Barcode**: 6951525704765 
- **Brand**: Marstek
- **HS code**: 8507600090
- **Manufactor**: Marstek
- **Net Height**: 202 MILLIMETER
- **Net Length**: 480 CENTIMETER
- **Net Weight**: 24.65 KILOGRAM
- **Net Width**: 320 CENTIMETER
- **Origin**: China
- **Battery capacity**: 2.56 KILOWATT
- **Ingress Protection**: IP65
- **Number of phases**: 1 phase, 3 phase
- **System**: Marstek VENUS D
- **Voltage battery**: Low
- **Warranty in Years**: 10

## Marstek Venus D Expansion Battery - 2.56kWh LFP - for Balcony ESS


The Marstek Venus D Expansion Battery offers a straightforward way to increase the total storage capacity of the balcony energy storage system. You can stack this module onto the main unit easily thanks to the modular plug-and-play design. The system requires no complex interconnecting cables for the physical or electrical coupling. This expansion helps installers respond quickly and flexibly to the growing energy needs of the end user. The weather-resistant housing withstands various conditions and fits both indoor and outdoor setups perfectly.


### Important system requirements


- **Main system**: this module works exclusively as an expansion for the central hybrid inverter and cannot function independently.


### Advantages of Marstek Venus D Expansion Battery


- **Simple scalability**: you can stack up to a maximum of 6 additional battery packs to flexibly increase capacity.
- **Long lifespan**: the stable LFP cells deliver solid performance for more than 6000 cycles.
- **Weather-resistant housing**: the ip65 protection rating guarantees safe operation when mounted in open air or damp spaces.


## Specifications


- **Model**: MST-E2.5ST-D
- **Nominal capacity**: 2.56kWh
- **Battery type**: lithium iron phosphate (LiFePO4)
- **Nominal voltage**: 51.2V
- **Depth of discharge (DoD)**: 90%
- **Protection rating**: ip65
- **Weight**: 26 kg
- **Dimensions**: 480 mm wide, 320 mm high, 150 mm deep
- **Ambient temperature**: -20°C to +60°C
- **Cooling**: natural convection
- **Factory warranty**: 10 years


### Other models within this series


- **[Marstek Venus D 2.2kW Balcony Solar Storage Bundle](https://www.estg.eu/en-gb/p/MST-VENUS-D-1)**

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