Marstek Jupiter-C+ Extension Battery

Key Features:

• 2.56 kWh additional storage capacity

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.