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BigBattery EG4 WallMount 280Ah Indoor 48V - 14.3kWh Home Battery Backup - FEWMT-48143-G1

SKU FEWMT-48143-G1
Sold out
Original price $4,352.88
Original price $4,352.88 - Original price $4,352.88
Original price $4,352.88
Current price $3,299.00
$3,299.00 - $3,299.00
Current price $3,299.00
Availability:
Out of stock

BigBattery EG4 WallMount 280Ah Indoor 48V - 14.3kWh Home Battery Backup - FEWMT-48143-G1 is a powerful and space-saving energy storage solution designed for modern off-grid and backup systems. Engineered for efficiency, this 48V lithium battery delivers 14.3kWh of reliable power with an impressive 280Ah capacity, making it ideal for residential and small commercial energy needs. Its wall-mounted design helps conserve floor space, while the LFP (LiFePO4) chemistry ensures long-term safety and performance. With built-in BMS protection and seamless compatibility with EG4 inverters, this indoor-rated battery is a dependable addition to any energy system.

Features:

  • 14.3kWh capacity with 280Ah for extended energy storage
  • Space-saving wall-mounted indoor design
  • Built-in advanced Battery Management System (BMS)
  • Safe and stable LiFePO4 (LFP) chemistry
  • Compatible with EG4 and other 48V inverter systems
  • Long cycle life for dependable performance
  • Pre-wired and easy to install
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Specifications

SpecificationDetails
System Voltage48V
Nominal Voltage51.2V
ChemistryLiFePO4
kWh Capacity14.3kWh
Ah Capacity280Ah
Max Continuous Charge Current200A
Max Continuous Discharge Current200A
Recommended Charge Current60A – 160A
Recommended Discharge Current160A
Max Continuous Discharge Rate10.24kW
BMS Charging Voltage56V (±0.8V)
Recommended Charging Voltage56.2V (±0.2V)
Recommended Float Voltage54V (±0.2V)
Recommended SoC Cutoff20%
Power Consumption (Heater)224W
Heater Activation Temperature≤32ºF (On), ≥41ºF (Off)
Charging Temperature Range32ºF – 113ºF (0ºC – 45ºC)
Discharging Temperature Range-4ºF – 122ºF (-20ºC – 50ºC)
Storage Temperature Range-4ºF – 122ºF (-20ºC – 50ºC)
Protection RatingIP20
CommunicationsRS485
Weight282.2 lbs (128 kg)
Dimensions (HxWxD)36.4 x 18.1 x 9.6 in (925x460x245mm)
Design Life>10 Years
Cycle Life>8000 cycles @ 80% DOD
CertificationsUL1973, UL 9540A (Passed)

 

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