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Big Battery | 36kW 92.1kWh ETHOS Energy Storage System (ESS) (BACKORDER)

SKU K0968
Save $2,275.00 Save $2,275.00
Original price $48,365.00
Original price $48,365.00 - Original price $48,365.00
Original price $48,365.00
Current price $46,090.00
$46,090.00 - $46,090.00
Current price $46,090.00

Overview

THIS PRODUCT IS IN HIGH DEMAND AND CURRENTLY ON BACKORDER! SECURE YOURS NOW TO BE FIRST IN LINE FOR THE DECEMBER 10 RESTOCK!

CERTIFIED COMMERCIAL ESS! BigBattery’s 48V ETHOS systems are now available, offering an impressive 92kWh configuration tailored for grid-tied energy needs in office buildings, warehouses, and job sites. Built with state-of-the-art features and robust safety, the ETHOS is an ideal commercial power solution.

Designed for versatility, the ETHOS system features a modular, stackable build for easy expansion, with all necessary hardware for smooth wall-mount installation. With an IP65-rated enclosure, built-in fire suppression, and a sophisticated BMS with automatic cell balancing, this system prioritizes safety and durability. Its control box, equipped with an interactive LED display, supports CANBus and RS485 protocols, allowing continuous monitoring of power performance.

Additionally, this ETHOS setup includes three advanced 12,000W Lux inverters, each with an LCD touchscreen, three MPPT inputs, and an integrated UPS module for seamless grid transitions. Together, they support PV arrays up to 54,000W, featuring smart load control, AC coupling, and peak shaving to ensure uninterrupted power and monthly energy savings.

Whether securing backup power or implementing a powerful solar system, the ETHOS provides reliable, efficient power management daily, helping you cut utility costs and even earn through net metering and tax incentives. Take control of your business’s energy needs—explore the 48V ETHOS today!

 



What's Included

18 × 48V ETHOS 5.12kWh Stackable Battery Module
3 × ETHOS Control Box
3 × ETHOS RACK BASE
3 × LUXPower 12kW Hybrid Inverter
6 × Ethos Parallel Power Cable 4.9 ft (1500mm)
1 × Parallel Busbar
3 × Ethos Parallel Comm Cable 4.9 ft (150cm)

Specs and Downloads

Single Stack Tech Specs

SKU: K0968
GTIN-12 (U.P.C.): 850061252043
System Voltage: 48V
Nominal Voltage: 51.2V
Chemistry: LiFePO4
kWh Capacity: 15.36kWh
Ah Capacity: 300Ah
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
Cell Configuration: 16S 3P
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

 

Spec Sheet

User Manual

UL9540 Certification

UL9540A Certification

UN38.3 Certification

Safety Data Sheet

Inverter Downloads

Spec Sheet

User Manual

Registration & WiFi Setup Guide

Rapid ShutDown Certificate

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USA Based Tech & Customer Support Got a question? Speak to our USA based tech & customer support team: 571-350-0146
#1 DIY Solar Authorized Retailer
Fast & Safe Shipping
Sales Tax Free
Authorized Dealer Warranty