BigBattery 48V 15kWH NEXUS LiFePO4 Battery
BigBattery 48V 15kWH NEXUS LiFePO4 Battery
SKU: F-NXUS-48150-G1
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- Price: $2,980.00
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- List Price: $2,999.00
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- Price: $2,980.00
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PRODUCT DESCRIPTION
Description
The 48V 15 kWh NEXUS LiFePO₄ Battery is a cost-effective, high-capacity energy storage solution for off-grid homes, cabins, and backup power systems. Designed with a compact, portable, floor-standing form factor, the NEXUS delivers reliable, uninterrupted power using advanced LiFePO₄ chemistry for long service life, safety, and efficiency. Ideal for installations in garages, tech closets, cabins, or sheds, it offers flexible placement without complex mounting.
Built with an integrated Battery Management System featuring quadruple safety protections, the NEXUS ensures dependable operation in demanding environments. Each unit includes a self-heating function and integrated aerosol fire suppression for added safety and cold-weather performance. Scalable up to 225 kWh, the 48V NEXUS 15 kWh battery is well suited for off-grid solar systems, commercial backup power, and home emergency power supply (EPS) applications where affordability, scalability, and reliability matter most.





Specifications
| Specification | Details |
|---|---|
| Model | NEXUS 15kWh |
| GTIN/UPC | 00199874694771 |
| System Voltage | 48V |
| Nominal Voltage | 51.2V |
| Chemistry | LiFePO4 |
| Usable Energy | 15 kWh |
| Ah Capacity | 300Ah |
| Cell Configuration | 16S1P |
| Max Continuous Discharge Current | 140A |
| Max Continuous Power | 7.6 kW |
| Max Discharge Peak Current | 270A (1s) |
| Max Charge Current | 140A |
| Charging Voltage Range | 53.5V – 57.6V |
| Operating Voltage Range | 48V – 57.6V |
| Max Charge Voltage | 57.9V |
| Suggested Low Voltage Cutoff | 50.8V |
| Charge Temperature Range | 32°F – 113°F |
| Discharge Temperature Range | -4°F – 113°F |
| Optimal Discharge Temperature | 59°F – 95°F |
| Storage Temperature Range | 1 month: -4°F – 113°F3 months: -4°F – 95°F6 months: -4°F – 77°F |
| Humidity Range | 10% – 95% (No Condensation) |
| Weight | ~315 lbs |
| Dimensions (WxHxD) | 19.7 × 27.5 × 15.7 in (500 × 700 × 400 mm) |
| Altitude Limit | <2000 m |
| Max Parallel Connections | 15 (up to 225 kWh) |
| Communications | RS485 / RJ45 / CAN |
| Protection Rating | IP54 |
| Installation | Indoor Floor-standing |
