Skip to product information

BigBattery 48V 15kWH NEXUS LiFePO4 Battery

BigBattery 48V 15kWH NEXUS LiFePO4 Battery

SKU: F-NXUS-48150-G1

Regular price
Price: $2,980.00
Regular price
List Price: $2,999.00
Sale price
Price: $2,980.00
You Save: $19.00 (1%)
PowerGenStore support team

Found a lower price?

We'll match any verified competitor price — just share the listing with us before you buy.

Low stock

View Cart
  • Free Shipping on Orders >$5K
  • Easy 30 Day Returns

Why Buy From PowerGen Store

Authorized Dealer

100% genuine products with manufacturer warranty.

Free Fast Shipping

On most orders across the U.S.

Expert Support

Real people ready to help you choose. Based in USA

Secure Checkout

Safe encrypted payments you can trust.

Easy Returns

Simple returns on eligible orders.

Trusted Nationwide

Customers rely on PowerGen for dependable solutions.

Price Guarantee

At PowerGen Store, we are committed to offering you the best prices online. If you find a lower price at another online store within two months of your purchase, just let us know.


Click Here to review full Price Guarantee Policy

Manufactures Warranty

PowerGen Store is an Authorized Dealer for all of our Suppliers, so every product you purchase includes the Full Manufactures Warranty provided directly by the Manufacturer. See Manufactures Website for More Details

Return Policy

We have a 30-day return policy, which means you have 30 days after receiving your item to request a return. 

Click Here to review our full Returns Policy

Shipping Policy

At PowerGen Store, we are dedicated to ensuring our customers enjoy a smooth and efficient shipping experience. As a special benefit for our valued customers, we are pleased to offer FREE SHIPPING in the Contiguous 48 United States (See below for Alaska & Hawaii). To guarantee timely delivery of your orders, we have built a comprehensive network of couriers. Please see the detailed information below regarding our shipping Policy.

Click Here to read out full Shipping Policy

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

 



Questions & Answers

Have a Question?

Be the first to ask a question about this.

Ask a Question

Recently Viewed Products