BigBattery 51.2V NEXUS 2 LiFePO4 Battery | 314AH | 16KWH | Off-Grid Home Back-up

The BigBattery NEXUS 2™ 51.2V 16kWh LiFePO₄ Battery is a cost-effective, high-capacity energy storage solution designed for off-grid homes, cabins, and backup power systems. With a compact, portable, floor-standing design, NEXUS 2 delivers reliable, uninterrupted power while allowing flexible installation in garages, utility rooms, cabins, or sheds-without complex mounting.

Powered by advanced LiFePO₄ battery chemistry, NEXUS offers long service life, enhanced safety, and consistent performance. Built with an integrated Battery Management System (BMS)featuring multiple layers of protection, it ensures dependable operation even in demanding environments.

Each unit includes a self-heating function for cold-weather performance and integrated aerosol fire suppression for added safety. Expandable up to 225kWh, NEXUS is ideal for off-grid solar systems, commercial backup power, and home emergency power applications where affordability, scalability, and reliability matter most.

Ships From: Texas, USA
Warranty: 12 Years
Support: Lifetime USA-Based Tech Support

Compatibility

Closed-Loop Communication with Inverters (Off Grid Non-UL 9540 Installs)

• All BigBattery APEX Inverters
• All EG4 Inverters

Power Flexibility:

• Supports off-grid installations
• Scalable energy storage for residential and commercial use
• Designed for scalable energy storage applications

Key Features

• 16kWh LiFePO₄ Battery Module – Safe, high-capacity lithium storage with long lifespan
• 8,000+ Cycle Life – Built for years of daily use and long-term savings
• Advanced BMS Protection – Multi-layer protection against voltage, current, and temperature risks
• Self-Heating Function – Reliable performance in cold climates
• Integrated Thermal Suppression – Built-in aerosol system for enhanced safety
• Modular Expansion – Scale from 16kWh up to 241kWh as needed
• Compact Floor-Standing Design – Easy placement without wall mounting
• Maintenance-Free Operation – No routine servicing required

A reliable, scalable, and safety-focused battery solution built for long-term energy independence.