Marstek Jupiter-C+ Extention battery

Code: MARSTEK-MST-JC-B2500
€473 €581,79 incl. VAT
International delivery
In stock (8 pcs)
Delivery to:
30.04.2026

Extension battery module for the Marstek Jupiter-C+ balcony ESS. Adds 2.56 kWh of LiFePO4 storage capacity per unit, allowing you to expand the system for greater energy independence. Compact IP65 design for indoor or outdoor stacking.

Detailed information

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Product detailed description

Key Features:

Each extension battery adds 2.56 kWh of usable energy to your Jupiter-C+ system, letting you store more solar power for evening and nighttime use.

  • LiFePO4 battery cells

Built with lithium iron phosphate (LiFePO4) chemistry rated for over 6,000 charge cycles at 80% capacity retention, ensuring long-term reliability and safety.

  • Seamless stacking design

Simply stack the extension battery beneath the Jupiter-C+ main unit. The modular approach requires no additional wiring or configuration beyond connecting the modules.

  • IP65 weatherproof protection

Rated IP65 for dust and water resistance, the extension battery can be installed indoors or outdoors alongside the main unit.

  • Compact & lightweight

Measuring 320 x 480 x 165 mm and weighing approximately 20 kg, each module is easy to handle and install without professional assistance.

  • 50Ah capacity at 51.2V

The 16S cell configuration delivers a nominal voltage of 51.2V with 50Ah capacity, perfectly matched to the Jupiter-C+ system architecture.

Additional parameters

Category: Batteries for photovoltaics
Weight: 23 kg
Brand: Marstek
Marstek - Product line: Marstek Jupiter C+

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MARSTEK, founded in 2020, is on a mission to make clean energy accessible and affordable for every household. The company developed its own lithium iron phosphate (LFP) laminated cells and introduced the world's first household micro-solar battery storage system, pioneering a new category of compact, plug-and-play residential energy storage.

The name MARSTEK blends "Mars" and "Technology," reflecting the company's bold commitment to exploration and innovation. MARSTEK products are designed for simplicity, safety, and maximum value, enabling homeowners to store solar energy and reduce electricity costs without complex installations or high upfront investment.

Manufacturing company : Shenzhen Marstek Energy Co., Ltd.
Address : Building B, Yusheng Industrial Park, Gongming Sub-district, Guangming District, Shenzhen, Guangdong, China
E-mail : [email protected]
EU representative of the manufacturer : Marstek GmbH
Address of the EU representative : Wiesenstrasse 21, 40549 Düsseldorf, Germany
Email of the EU representative : [email protected]