BigBattery 48V 15kWh NEXUS LiFePO4 Battery | Expandable to 225kWh | Built-In BMS, Heater & Fire Suppression | Indoor/Outdoor | 12-Year Limited Warranty

Unlock reliable, high-capacity off-grid power with the BigBattery 48V 15kWh NEXUS—one of the most affordable, scalable LiFePO₄ battery systems on the market. Designed for seamless integration, rugged performance, and long-term reliability, NEXUS is the ideal choice for residential, commercial, and off-grid solar setups.

Whether you're building a backup energy system or powering a remote cabin, the NEXUS delivers peace of mind with smart features like a built-in heater, fire suppression system, and advanced BMS for real-time protection and monitoring.

Key Features & Benefits:

• 15kWh Capacity – Delivers uninterrupted, high-demand power for off-grid and hybrid solar systems.

• Expandable to 225kWh – Connect up to 15 units in parallel for massive energy storage.

• Advanced LiFePO₄ Chemistry – Safe, long-lasting cells rated for 4,000+ cycles at 80% DoD.

• DIY-Friendly Setup – Floor-standing design with plug-and-play terminals and harnesses.

• All-Climate Operation – Integrated heater and thermal management system support -4°F to 113°F.

• Quadruple BMS Protection – Built-in smart Battery Management System with real-time alerts.

• Emergency-Ready – Fire suppression system ensures added safety in any application.

• Inverter-Compatible – Works with EG4, Sol-Ark, Victron, Solis, LUX, and more.

• Indoor/Outdoor Ready – Rugged, compact design for homes, garages, sheds, or cabins.

Perfect For:

• Residential solar energy storage

• Off-grid cabins and homesteads

• Emergency backup power (EPS)

• Commercial and industrial energy systems

Take control of your power with scalable, maintenance-free lithium storage you can trust—backed by Shop Solar’s legendary support.

User Manual / Documents:

• BigBattery 48V 15kWh NEXUS LiFePO4 Battery User Manual
• BigBattery 48V 15kWh NEXUS LiFePO4 Battery Specifications