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BigBattery ETHOS 48V – 5.1kWh Home Battery Backup LFP Kits

BigBattery ETHOS 48V – 5.1kWh Home Battery Backup LFP Kits

SKU: K0949

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Price: $2,990.00
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List Price: $4,490.00
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Price: $2,990.00
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Description

Configurable up to 80+ kWh.

The BigBattery ETHOS is a modular 48V lithium battery system engineered for reliable, long-lasting energy storage in UL-certified configurations. Each battery integrates seamlessly with the ETHOS controller for safe operation, intelligent management, and scalable capacity as your needs grow. Backed by a 12-Year Warranty, ETHOS delivers a high-performance, maintenance-free platform for dependable energy independence.

Specifications
Battery Specification Details
GTIN-12 (UPC) 850061252005
System Voltage 48V
Nominal Voltage 51.2V
Chemistry LiFePO4
kWh Capacity 10.24 kWh (2x), 15.36 kWh (3x), 20.48 kWh (4x), 30.72 kWh (6x), 40.96 kWh (8x), 46.08 kWh (9x)
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
BMS Cutoff Range 42 – 47V
Cell Configuration 16S
Max Continuous Discharge Current 200A
Max Continuous Power 10,240W
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 UL9540, UL9540A, UL1973, UN38.3
What's in the Box?

Each shipment comes with 'X' number of Modules (2,3,4,6) & accessories

ETHOS 10.2KWH (2 Module) INCLUDED IN KIT: (2) FETHS-48051-G1 - 5.12kWh ETHOS Battery Module & Included Accessories INCLUDED IN EACH BATTERY BOX: (1) ETHOS Battery Module Red & Black Parallel Cable 0.7 FT (220mm) (1) ETHOS Battery Module Comm Cable 0.7 FT (220mm) (2) L Wall Mounting Brackets + Fasteners - ETHOS Control Box & Included Accessories (1) CBL088 - ETHOS Battery Final Module to Control Box Power Cable Pair (2 Stack) 31.5" (800mm)

ETHOS 15.4KWH (3 Module) INCLUDED IN KIT: (3) FETHS-48051-G1 - 5.12kWh ETHOS Battery Module INCLUDED IN EACH BATTERY BOX: (1) ETHOS Battery Module Red & Black Parallel Cable 0.7 FT (220mm) (1) ETHOS Battery Module Comm Cable 0.7 FT (220mm) (2) L Wall Mounting Brackets + Fasteners (1) CNT060 - ETHOS Control Box & Included Accessories INCLUDED IN CONTROL BOX BOX: (1) ETHOS Stack Base (2) ETHOS Control Box to Inverter Power Cable Pair 4.9 FT (1500mm) (1) ETHOS Control Box to Inverter Comm Cable 4.9 FT (1500mm) (1) CBL091 - ETHOS Battery Final Module to Control Box Power Cable Pair (3 Stack) 4 ft (1220mm)

ETHOS 20.2KWH (4 Module) INCLUDED IN KIT: (4) FETHS-48051-G1 - 5.12kWh ETHOS Battery Module (1) CNT060 - ETHOS Control Box (1) CNT081 - ETHOS Base (Base Only) (2) CBL089 - ETHOS Stack-to-Stack Power Cable Pair 4.9 ft (1500mm) (1) CBL090 - ETHOS Stack-to-Stack Comm Cable 4.9 ft (1500mm)

ETHOS 30.7KWH (6 Module) INCLUDED IN KIT: (6) FETHS-48051-G1 - 5.12kWh ETHOS Battery Module (1) CNT060 - ETHOS Control Box (1) CNT081 - ETHOS Base (Base Only) (2) CBL089 - ETHOS Stack-to-Stack Power Cable Pair 4.9 ft (1500mm) (1) CBL090 - ETHOS Stack-to-Stack Comm Cable 4.9 ft (1500mm)

 


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