BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

Name: BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System
Brand: BigBattery
SKU: K0968
Price: 38939.0 USD
Availability: InStock

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BigBattery

| SKU:

K0968

$38,939.00

Free shipping with delivery between Mar 31 - Apr 07

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BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

High-Capacity 92.1kWh LiFePO₄ Energy Storage with EG4 18kPV Hybrid Inverters for Commercial Applications

Empower your business with BigBattery’s highest-capacity ETHOS solution yet. This 92.1kWh energy storage system, paired with three EG4 18kPV Hybrid Inverters, provides reliable, scalable power for commercial operations, warehouses, offices, and industrial sites.

Featuring 18 modular 5.12kWh LiFePO₄ battery units, the system offers superior safety, long-lasting performance, and IP65-rated enclosures with Tier 1 cells, auto cell-balancing, and integrated fire suppression.

Three ETHOS Control Boxes provide real-time monitoring via LED interface and support CANBus and RS485 communication for full visibility into voltage, capacity, and BMS status.

Paired with three 12kW EG4 18kPV Hybrid Inverters, the system supports up to 54kW PV input and seamless on/off-grid switching. Features include AC coupling, peak shaving, UPS modules, and touchscreen LCD displays for efficient system operation.

Key Features:

Total Battery Capacity: 92.1kWh (18 × 5.12kWh ETHOS Modules)
System Voltage: 48V
Battery Chemistry: LiFePO₄ (Lithium Iron Phosphate)
Inverter Setup: 3 × EG4 18kPV Hybrid Inverters (36kW Total Output | 54kW PV Input)
Safety: Fire suppression, advanced BMS with auto cell-balancing
Cold Weather Ready: Industrial-grade reliability
Monitoring: LED + inverter touchscreen interfaces
Enclosure: IP65-rated, stackable, vibration-resistant
Expandability: Modular design for scalable growth
Grid Optimization: Net metering ready with AC coupling and peak shaving

Perfect For:

Commercial buildings & offices
Warehouses & light industrial sites
Grid-tied and hybrid solar installations
Emergency power & backup infrastructure
Net metering optimization
High-capacity lead-acid replacement
Energy cost reduction and peak demand control

What’s Included:

18 × 48V ETHOS 5.12kWh Stackable Battery Modules – FETHS-48051-G1
3 × ETHOS Control Boxes – CNT060
3 × ETHOS Rack Bases – CNT081
6 × 4.9 ft ETHOS Parallel Power Cables – CBL089
3 × 4.9 ft ETHOS Parallel Communication Cables – CBL096
3 × EG4 18kPV Hybrid Inverters – INV024
1 × Parallel Busbar – CNT015

Specifications

Parameter	Details
SKU	K0968
GTIN-12 (U.P.C.)	850061252043
System Voltage	48V
Nominal Voltage	51.2V
Chemistry	LiFePO4
kWh Capacity	15.36kWh
Ah Capacity	300Ah
Cell Configuration	16S 3P
Charging Voltage Range	55.6 – 57V
Max Charge Voltage	57V
Operating Voltage Range	48 – 57V
Suggested Low Voltage Cutoff	48 – 50.8V
BMS Cutoff Range	42 – 47V
Max Continuous Discharge Current	250A
Max Continuous Power	12800W
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	387 lb (175.5 kg)
Depth	6.7 in (170 mm)
Width	26.5 in (674 mm)
Height	59.8 in (1520 mm)
Max Connections	Up to (16) parallel connections per control box
Protection Rating	IP65 / NEMA 4X
Communications	CANBus / RS485
Certifications	UL9540, UL9540A, UL1973, & UN38.3

Understanding Your Power Needs

Power Calculation Guide

Sizing Metric	Formula & Example
Energy Consumption (Wh)	Formula: Watts × Hours Example: 60W × 4 hrs = 240 Wh
Battery Capacity (Ah)	Formula: Watt-hours ÷ System Voltage (V) Example: 240 Wh ÷ 12V = 20 Ah
Inverter Size (W)	Formula: Total Watts × 1.25 (safety margin) Example: 300W × 1.25 = 375W → Use 400W inverter
Total Load Power (W)	Formula: Sum of all appliance watts used simultaneously Example: Light (10W) + Fan (75W) = 85W
Runtime (hrs) of Battery	Formula: (Battery Ah × Voltage) ÷ Total Load (W) Example: (100Ah × 12V) ÷ 240W = 5 hrs

Find Your Power Match

Need / Application	System Recommendation
Basic lighting + phone charging	Recommended Battery: 50Ah – 100Ah (12V) Inverter Size: 100W – 200W Notes: For small backup setups
Home office (laptop, fan, TV)	Recommended Battery: 150Ah – 200Ah (12V or 24V) Inverter Size: 500W – 1000W Notes: For moderate usage with 4–6 hours of backup
Home backup (fridge, lights)	Recommended Battery: 200Ah+ (24V or 48V recommended) Inverter Size: 1000W – 1500W Notes: Ideal for longer backups or heavier loads
Business / shop power backup	Recommended Battery: 300Ah+ (48V system) Inverter Size: 2000W – 3000W Notes: Suitable for commercial setups or extended power outages

Why Shop With Us

Authorized & Trusted Dealer: We’re fully authorized for every brand we carry, so you get genuine products backed by full manufacturer warranties.
Fast, Reliable Shipping: Shipped from U.S. warehouses with quick, dependable freight options — keeping your project on track.
30-Day Hassle-Free Returns: Changed your mind? Enjoy a simple 30-day return process for peace of mind.
Real Human Support, 7 Days a Week: Reach us by phone, email, or live chat — no bots, no overseas call centers, just experts who know off-grid power systems.
Expert Energy Guidance: Our solar and backup energy specialists are here to help with system design, product questions, and installation tips.
USA-Based Service: Local, knowledgeable, and friendly support right here in the U.S.
Secure Payments: Shop confidently with encrypted, secure checkout protecting your personal and payment information.
Built for Energy Independence: Whether powering a cabin, prepping for emergencies, or going off-grid, our products are chosen for performance, reliability, and sustainability.

BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

$38,939.00

BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

BigBattery

K0968

#1 Authorized BigBattery Distributor

Free Shipping + No Sales Tax

Hassle-Free Returns & Exchanges

Talk To A Real Person

BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

Key Features:

Perfect For:

What’s Included:

BigBattery ETHOS 92.1kWh + 3x EG4 18kPV Hybrid Inverter (ESS) | Grid-Tied Home Solar System

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