BigBattery ETHOS Battery + 6000XP Inverter | 5.12–30.72kWh | Off- Grid System

The EG4 6000XP provides up to 6,000W split-phase output with solar input support and seamless integration of battery, solar, and generator power. Paired with the ETHOS battery system – expandable up to 80+ kWh – this setup ensures long-lasting, maintenance-free energy storage with consistent performance.

Built with advanced battery management, and U.S.-engineered design, this system delivers safe, intelligent energy control with closed-loop communication and real-time monitoring. Ideal for backup power, energy savings, and full off-grid independence.

Ships From: Texas, USA
Warranty: 12 Years (Battery), 5 Years (Inverter)
Support: Lifetime USA-Based Tech Support

Compatibility

Integrated & Optimized System:

• ETHOS Battery System + EG4 6000XP Inverter-Charger

Expandable & Flexible:

• Scalable ETHOS battery capacity up to 80+ kWh
• Compatible with additional ETHOS modules for future expansion
• Supports grid-tied, hybrid, and off-grid installations

Key Features

• Complete ESS Solution – Battery + inverter system designed to work seamlessly together
• 6,000W Split-Phase Output – Reliable power for small homes, cabins, and backup systems
• LiFePO₄ Battery Chemistry – Safe, stable lithium technology with long lifespan
• 6,000+ Cycle Life – Built for years of daily use and long-term savings
• Closed-Loop Communication – Optimized coordination between battery and inverter
• Advanced BMS Protection – Multi-layer protection for safe and reliable operation
• Modular Expansion – Easily scale storage capacity as energy needs grow
• Solar + Generator Ready – Flexible input options for continuous energy availability
• UPS Backup Capability – Seamless transition during outages
• Remote Monitoring & Control – Real-time system tracking and performance insights
• Maintenance-Free Operation – No routine servicing required

A compact, scalable energy storage system built for reliability, flexibility, and long-term energy independence – perfect for smaller off-grid and backup applications.

Items Included

2xETHOS Control Box

6xBigBattery ETHOS | 48V - 5.1kWh | UL1973 | Home Battery Backup LFP

1xETHOS Stack to Stack Power Cable Pair (4.9 ft)

1xETHOS Stack to Stack Comm Cable (4.9 ft)

6xEG4 6000XP (8kPV) OFF-GRID INVERTER

1xParallel Busbar

Downloads & Specifications

Battery Specifications

System Voltage:48V

Nominal Voltage:51.2V

Chemistry:LiFePO4

kWh Capacity:10.24kWh

Ah Capacity:200Ah

Charging Voltage Range:55.6 – 57V

Max Charge Voltage:57V

Operating Voltage Range:48 – 57V

Suggested Low Voltage Cutoff:48 – 50.8V

Cell Configuration:16S 2P

Max Continuous Discharge Current:200A

Max Continuous Power:10240W

Max Discharge Peak Current:300A (Max 5 seconds)

Max Charge Current:200A

Charge Temperature Range:32°F – 113°F (0°C – 45°C)

Discharge Temperature Range:-4°F – 140°F (-20°C – 60°C)

Optimal Discharge Temperature Range:59°F – 95°F (15°C – 35°C)

Storage Temperature Range (SoC >50%):-4°F – 113°F (-20°C – 45°C) (Max 6 months)

Weight:273 lb (123.8 kg)

Depth:6.7 in (170 mm)

Width:26.5 in (674 mm)

Height:43.3 in (1100 mm)

Max Connections:Up to (16) parallel connections per control box

Protection Rating:IP65 / NEMA 4X

Communications:CANBus / RS485

Certifications:UL9540A, UL1973, & UN38.3

Inverter Specifications

AC Voltage:120V AC / 240V AC

AC Frequency:50 Hz / 60 Hz

Max. Continuous AC Current:37.5A @ 240V

Max. AC Input Power:9000W

AC Bypass:50A

Output Voltage:120V AC / 240V AC

Output Frequency:50 Hz / 60 Hz

Max. Continuous Output Current:25A @ 240V

Output Power:6000W

Surge Capacity:12000W (3.5 sec) / 11000W (5 sec)

Power Factor:0.99 (Full Load)

Reactive Power Adjustment Range:-0.8 – 0.8 Leading Adjustable

Total Harmonic Distortion:<3%

Switching Time:<15 ms (Single) / <30 ms (Parallel)

No. of MPPTs (Inputs per MPPT):2 (1)

Max. Input Current:17A / 17A

Max. Short Circuit Input Current:25A / 25A

DC Input Voltage Range:100 – 480V DC

Start Up Voltage:100V DC ± 10V DC

MPPT Operating Voltage Range:120 – 385V DC

MPPT Voltage:320V DC

Max. PV Array Power:8000W (4000W per MPPT)

MPPT Efficiency:99%

Nominal Battery Voltage:48V DC

Battery Voltage Range:46.4 – 60V DC

Max. Discharge Current:140A

Max. Charge Current:125A

DC Cut-Off Voltage:59V DC

Operating Temperature:32°F – 113°F (0°C – 45°C)

Storage Temperature:5°F – 140°F (-15°C – 60°C)

Altitude:<6,561 ft (2000 m)

Relative Humidity:5 – 95%

Typical Noise Emission:<58 dB

Protection Rating:IP20

Max. Parallel Connections:16

Weight:52.9 lbs (24 kg)

Depth:5.25 in (132 mm)

Width:18 in (457 mm)

Height:25.5 in (648 mm)

Battery Downloads

SKU#:K0708, K0709

Spec Sheet:DOWNLOAD

User Manual:DOWNLOAD

UL1973 Certificate:DOWNLOAD

Safety Data Sheet:DOWNLOAD

CEC Listing – BigBattery ETHOS + EG4 6000XP:GO TO LINK

Inverter Downloads

SKU#:K0708, K0709

Spec Sheet:DOWNLOAD

User Manual:DOWNLOAD

Monitoring System Guide:DOWNLOAD

Monitoring Adapter Installation Guide:DOWNLOAD

UL1741 Certificate:DOWNLOAD

Warranty:DOWNLOAD

CEC Listing – BigBattery ETHOS + EG4 6000XP:GO TO LINK