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EG4 WallMount 280Ah All-Weather Home Lithium Battery | 48V | 14.3kWh | Heated UL1973 | UL9540A

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SKU: FEWPP-48143-G1
$3,499.00

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The EG4 WallMount 280Ah All-Weather 48V Battery Provides Reliable Energy Storage So That Your Home Or Worksite Stays Powered

When the lights go out, the RV hits the trail, or off-grid adventures call, you need a battery that keeps up. The EG4 WallMount 280Ah All Weather 48V 14.3kWh Battery delivers safe, high-capacity energy so that your home, mobile workspace, or off-grid setup remains fully powered with confidence. This all-weather lithium battery combines durability, advanced safety features, and long-term performance, ensuring your energy never lets you down when it matters most.

Unlike typical lead-acid batteries, which degrade quickly and struggle in extreme temperatures, the EG4 All-Weather battery uses LiFePO₄ chemistry to provide consistent energy output and exceptional lifespan. You’ll enjoy more than 8,000 cycles at 80% depth of discharge, which translates to years of reliable service with minimal maintenance, making it a smarter, longer-lasting solution for both indoor and outdoor applications.


EG4 WallMount 280Ah All-Weather Battery Features

High-Capacity 14.3kWh Lithium Storage So That You Can Power Your Home or RV Longer

With 14.3kWh of storage, this battery keeps lights, appliances, and electronics running during outages or off-grid adventures. Its high energy density means fewer batteries are needed, saving space while delivering steady, reliable power wherever you are.

200A Continuous Output So That You Can Handle High-Demand Loads Without Worry

Support heavy-duty appliances, tools, or multiple devices simultaneously with a continuous 200A output. Unlike weaker batteries that risk voltage drops or overloads, this battery delivers the power your lifestyle or worksite demands.

Long Life 8,000+ Cycle Battery So That You Save Money and Replace Less Often

LiFePO₄ chemistry ensures more than 8,000 cycles at 80% depth of discharge, outlasting traditional lead-acid batteries by years. This translates to unmatched value, fewer replacements, and confidence that your energy investment is built to last.

Integrated Self-Heating So That Cold Weather Never Slows You Down

Winter power challenges are handled with ease. The built-in self-heating feature keeps the battery performing optimally in cold climates, so RVers, off-grid adventurers, and homeowners enjoy dependable energy all year round.

Advanced Safety with EMP and Fire Protection So That You Stay Protected

Dual fire arrestors, EMP protection, and an emergency stop (E-Stop) safeguard your investment, giving you peace of mind. You can deploy this battery in a variety of indoor and outdoor environments with confidence in its safety systems.

Weather-Resistant Design So That You Can Install Indoors or Outdoors Without Compromise

Rugged construction ensures reliable performance regardless of exposure to rain, dust, or heat. Install the EG4 WallMount battery in garages, basements, RV compartments, or outdoor battery enclosures with no concerns about durability.

Real-Time Monitoring with LCD Display So That You Stay In Control of Your Energy

Integrated LCD shows battery status, charge, and health in real-time. Stay informed about your system’s performance without needing additional monitoring tools, making energy management straightforward and stress-free.


EG4 WallMount 280Ah All-Weather Battery Warranty

EG4 provides a limited warranty policy, ensuring the absence of defects in materials, workmanship, and performance during the warranty period.


What's Included

  • 1 x EG4 WallMount Battery
  • 1 x Mounting Bracket
  • 1 x Bracket
  • 6 x Expansion Bolts
  • 2 x Red & Black Battery to Inverter Power Cables (3.3 FT)
  • 1 x Battery to Inverter Comm Cable (5 FT)


EG4 WallMount 280Ah All-Weather Battery Specifications

Nominal Voltage 51.2V
Chemistry Lithium Iron Phosphate (LiFePO4)
kWh Capacity 14.3 kWh
Ah Capacity 280 Ah
BMS Charging Voltage (Bulk/Absorb) 56.0V (±0.8V)
Recommended Charging Voltage (Bulk/Absorb) 56.2V (±0.2V)
Recommended Float Setting 54V (±0.2V)
Recommended SoC Cutoff Setting 20%
Max Continuous Charge Current 140A
Max Continuous Discharge Current 140A (200A Max for 30 min)
Recommended Charge Current 60 – 140A
Recommended Discharge Current 60 – 140A
Max Continuous Discharge Rate 10,240W
Voltage 56V
Power Consumption 224W
Internal Temperature Cutoffs ≤32ºF (On) / ≥41ºF (Off)
Charging Temperature Range 32ºF – 122ºF (0ºC – 50ºC)
Discharging Temperature Range -4ºF – 131ºF (-20ºC – 55ºC)
Storage Temperature Range 32ºF – 113ºF (0ºC – 45ºC)
Operating Altitude <16,404 ft (<5,000 m)
Protection Rating IP65
Communications RS485 / CANBus
Weight 308.6 lbs (140 kg)
Depth 9.1 in (232 mm)
Width 22.3 in (566 mm)
Height 36.1 in (916 mm)


EG4 WallMount 280Ah All Weather 48V 14.3kWh Battery Manual

EG4_WallMount_280Ah_All_Weather_Manual

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