EG4 WallMount Indoor Battery 48V 314Ah | 16kWh UL9540A Self-Heating

$3,600.00
$3,600.00
Shipping calculated at checkout.

EG4 WallMount Indoor Battery 48V 314Ah | 16kWh UL9540A | Self-Heating

Power your home or backup system with the EG4 WallMount Indoor Battery, engineered for high-capacity energy storage and long-term reliability. This 48V 314Ah, 16kWh lithium module features advanced self-heating technology for dependable performance in cold environments, along with UL9540A safety certification. Designed for clean indoor installation, it delivers stable, high-output energy for residential, off-grid, and hybrid systems.

KEY FEATURES

  • Cross-Compatible with Other EG4 Models: Seamlessly integrates with existing
    EG4 battery systems for flexible scaling and expanded storage capacity. (Note: UL9540 Certified only with Flexboss 18 & Flexboss 21)
  • Hybrid Wall or Floor Mount Design: Flexible installation options with a durable,
    space-saving enclosure (IP20 rated).
  • High-Capacity Storage: 16kWh nominal energy and 314Ah capacity for
    reliable, high-output performance.
  • Auto-ID Technology: Automatically recognizes and syncs new batteries during
    installation, simplifying system setup and configuration.

Specifications 

Category Details
Product Type Low Voltage LFP Battery
Battery Type Lithium Iron Phosphate (LFP)
Model Number WM-48-314-IN-XX (XX = 00–99)
Nominal Energy Capacity 16kWh
Usable Energy (DOD%) 12.86kWh (80% recommended)
Voltage Range 47.5 – 57.6 VDC
Nominal Voltage 51.2 VDC
Capacity 314Ah
Charging Voltage Range 56 – 57 VDC
Discharging Cut-off Voltage 47.5 VDC
Max Continuous Charge Current 157A
Max Continuous Discharge Current 200A
Continuous Charge/Discharge Power 8 kW / 10.2 kW
Recommended Charge/Discharge Rate 0.5C
Peak Power 12.8kW (3 sec)
Round-trip Efficiency 95%
Max Parallel Units 16
Protection Features Over/Under Voltage, Over-Current, Short Circuit, High/Low Temp
BMS Integrated, Active Balancing
Communication Protocols RS485, CAN
Battery Breaker 250A
Storage Temp Range -4 – 131°F (-20 – 55°C)
Humidity Range 5% – 95% RH (non-condensing)
Altitude 9843 ft (<3000 m)
Cooling Method Natural Convection
Dimensions (H × W × D) 34.1 × 18.1 × 9.6 in (865 × 460 × 245 mm)
Operating Temperature Charge: 32 – 122°F (0 – 50°C) • Discharge: -4 – 131°F (-20 – 55°C)
Recommended DOD Setting Note Do not set below 20% to maintain 80% DOD
Storage Temp Note >3 months storage: recommended 59 – 86°F (15 – 30°C)
Weight 293.2 lbs (133 kg)
Enclosure Rating IP20
Mounting Options Wall / Floor mount
Display/Indicators LED Status
Connector Type Degson quick connector / screw terminal
UL 1973 Yes
UL 9540 DC ESS, AC ESS with EG4 18kPV, 12kPV, FlexBOSS 21, FlexBOSS 18*
UL 9540A Battery-to-battery spacing: 6 in
UN 38.3 Yes
FCC Part 15 (EMC) Yes
Protection Class Class B
Cycle Life (70% EOL) 10,000 cycles @ 0.5C, 25°C, 80% DOD
Design Life 10 years
Warranty 10 years or 10,000 cycles
Application Type Residential / Commercial / Off-grid / Backup
Lifetime Energy Throughput 115.7 MWh
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