BigBattery, K0153, Nexus + EG4 6000XP, 1x 6000XP + 2x NEXUS

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BigBattery, K0153, Nexus + EG4 6000XP, 1x 6000XP + 2x NEXUS

Model: K0153
Manufactured by: BigBattery
Condition: New
Estimated Delivery: May 4th - May 10th
In Stock
Out of Stock

Price:

$10,159.50 $7,815.00

Manufacturer Info

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The BigBattery NEXUS™ ESS combines high-capacity 15kWh LiFePO? battery modules with the EG4 6000XP hybrid inverter to deliver a powerful, scalable energy solution for both on-grid and off-grid applications. Designed for flexibility and performance, this system provides 6,000W split-phase output per inverter with up to 8,000W PV input, making it ideal for home backup, energy savings, and full off-grid operation.

Expandable from 15kWh up to 225kWh and scalable up to 18kW output, NEXUS grows with your energy needs while maintaining reliable, efficient performance. With advanced battery technology, fast UPS switching (15-30ms), and intelligent energy management, this system ensures seamless power during outages and optimized daily usage.

Built with safe LiFePO? chemistry, integrated system protection, and U.S.-supported engineering, NEXUS delivers a dependable, maintenance-free energy storage solution.

Ships From: Texas, USA
Warranty: 12 Years (Battery), 10 Years (Inverter)
Support: Lifetime USA-Based Tech Support

Compatibility

Integrated System

NEXUS Battery Modules + EG4 6000XP Hybrid Inverter

Expandable System Design

Scales from 15kWh to 225kWh
Supports multiple inverters up to 18kW output
Compatible with off-grid installations

Key Features

15kWh LiFePO? Battery Modules – Safe, high-capacity lithium storage with long lifespan
6,000W Output per Inverter – Reliable split-phase power for residential applications
8,000W PV Input – Efficient solar harvesting with dual MPPT inputs
6,000+ Cycle Life – Built for long-term performance and daily energy use
Advanced BMS Protection – Full protection against voltage, current, and temperature risks
UPS Backup (15-30ms) – Seamless transition during grid outages
Modular Expansion – Easily scale storage and output as energy demands grow
Smart Energy Management – Supports load control, AC coupling, and peak shaving
Built-In Breakers & Safety – Simplifies installation and enhances protection
Remote Monitoring – Track system performance and manage settings from anywhere
Maintenance-Free Operation – No routine servicing required

A scalable, high-performance energy storage system built for reliability, flexibility, and energy independence-with the support and performance you can trust.

Battery Specifications

Battery Specifications: NEXUS 15KWh
System Voltage: 48V
Nominal Voltage: 51.2V
Chemistry: LiFePO4
Usable Energy (kWh): 15kWh
Ah Capacity: 300Ah
Cell Configuration: 16S1P
Max Continuous Discharge: 140A
Max Discharge Power: 7.6kW
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 Cutoff50.8V
Charge Temp Range: 32°F to 113°F
Discharge Temp Range: -4°F to 113°F
Optimal Discharge Temp: 59°F to 95°F
Storage Temp Range (SoC >50%): (1 month: -4°F ~ 113°F | 3 months: -4°F ~ 95°F | 6 months: -4°F ~ 77°F)
Humidity Range: 10%-95% (No Condensation)
Weight (lbs): ~315 lbs
Dimensions (WxHxD): 19.7 x 27.5 x 15.7 in (500×700×400 mm)
Altitude Limit: <2000m
Max Connections: 15 in parallel (up to 225kWh)
Communications: RS485 / RJ45 / CAN
Protection Rating: IP21
Installation: Indoor Floor-standing