Product Summary:
Smart power. Simple reliability. Whether you want lower energy costs or more control during outages, the EG4 WallMount 314Ah Indoor Battery delivers dependable whole-home backup in a compact design. With 16 kWh of storage capacity and 200A continuous output, it provides consistent performance for your home or small business — all while fitting seamlessly into your indoor setup.
EG4-WallMount Indoor Battery ESS | 48V 314Ah | 16kWh | UL9540 | EG4 FlexBOSS21 Hybrid Inverter
$8,015.00
SKU# K0210
Battery Selected
1× EG4 314Ah Indoor
Total Capacity
16 kWh
Inverter Selected
1× EG4 FlexBOSS21
Input / Output
21 kW / 16 kW
Choose Your ESS Configuration*
1x Inverter
Standard
2x Inverter
Large
3x Inverter
3 Phase
Introducing The EG4 WallMount Indoor Battery
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.
Latest BMS Technology
Third-Generation BMS: Provides advanced monitoring, improved balancing precision, and faster response times for greater safety and system efficiency.
All-Weather Self-Heating
Self-Heating Function: Maintains optimal performance and battery health in cold environments.
Your Personal Power House
200A Continuous Output / 12.8kW Peak Power: Supports heavy household loads and seamless backup operation.
Battery Downloads
DOWNLOADBattery Specifications
Product Type:Low Voltage LFP Battery
Battery Type:Lithium Iron Phosphate (LFP)
Model Number:WM-48-314-IN-XX (XX is a number between 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:8/10.2 kW
Recommended Charging/Discharging 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
Battery Management System (BMS):Integrated, Active Balancing
Communication Protocols:RS485, CAN
Battery Breaker:250A
Storage Temperature 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 in. × 18.1 in. × 9.6 in. (865 mm × 460 mm × 245 mm)
Operating Temperature Range:Charge: 32 – 122°F (0 – 50°C); Discharging: -4 – 131°F (-20 – 55°C)
Recommended DOD Setting Note*:EG4 recommends this value be set no lower than 20% to maintain the recommended 80% Depth of Discharge.
Storage Temperature Note**:Less than 3 months of storage. If longer than 3 months, recommended storage temperature will be 59°F – 86°F (15°C – 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 9540A:Batt to Batt spacing of 6 in.
UN 38.3:Yes
FCC Part 15 (EMC):Yes
Protection Class:Class B
Cycle Life (70% EOL Capacity):10000 cycles @ 0.5C, 25°C, 80% DOD
Design Life*:10 years
Warranty:10 years or 10000 cycles
Application Type:Residential/Commercial/Off-grid/Backup
Lifetime Energy Throughput (Calculated):(51.2V×314Ah/1000×80%×10000/1000)90% = 115.7 MWh or (12861 kWh×10000 cycles×90% efficiency) = 115.7 MWh
Note:Information subject to change without notice.
Inverter Downloads
Inverter Specifications
Model:IV-16000-HYB-AW-FX-XX
CEC Model #:IV-16000-HYB-AW-FX-XX {240V} | IV-16000-HYB-AW-FX-XX {208V}
Type:Hybrid
Design Topology:High Frequency – Transformerless
Nominal Voltage:120/240 or 208 VAC
Frequency:50/60 Hz
Phase Support:1ø
Nominal Output Voltage:120/240 VAC; 120/208 VAC (L1/L2/N required)
Max. Continuous Output:66.7 A | 16 kW
Max. Continuous Output – Battery Only:50 A | 6 kW
Max. Continuous Output – With PV & Grid @25°C:66.7 A | 16 kW
Peak Power:24,000 W (0.5 s) | 18,000 W (1 s) | 15,000 W (6 min) | 13,200 W (12 min)
Locked Rotor Amps (LRA):195 A
Max. Continuous Output Per-Leg:50 A | 6 kW
Power Factor:0.99 @ Full Load
Max. Pass-Thru Current from Grid:90 A
Nominal Grid Voltage:120/240 VAC | 120/208 VAC (L1/L2/N required)
Max. Grid Input Power to Inverter (w/out Pass-Thru):50 A | 12 kW
Max. Grid Circuit Rating (w/ Pass-Thru):90 A
Nominal Voltage:51.2 VDC
Operating Voltage Range:40 – 60 VDC
Max. Charge Current (DC Amps):250 A DC
Max. Discharge Current (DC Amps):250 A DC
Battery Charge/Discharge Ripple Current:< 5%
# of MPPTs:3
Rated Current per MPPT:26 A (MPPT 1) | 26 A (MPPT 2) | 15 A (MPPT 3)
Inputs per MPPT:3 | 2 (MPPT 1) | 2 (MPPT 2) | 1 (MPPT 3)
Short-Circuit Current Rating per MPPT:31 A (MPPT 1) | 31 A (MPPT 2) | 19 A (MPPT 3)
Max. DC Input Voltage*:600 VDC
MPPT DC Startup Voltage:200 VDC
MPPT Full Power Voltage Range**:250 – 440 VDC
MPPT DC Operating Voltage Range:120 – 240 VDC
MPPT Voltage High Protection***:550 VDC
Recommended Max. Solar Array Power (STC):21 kW
Transfer Time (Grid to Battery Switching Time):20 ms (Default), 10 ms (Configurable)
Open Loop Response Time (OLRT):< 2 s
Time to Steady State:< 10 s
CEC Weighted Efficiency:97%
Max. Efficiency: PV to Grid/Load:97%
Max. Efficiency: Battery to Grid/Load:94%
Max. Efficiency: PV to Battery:94.5%
Max. Efficiency: AC to Battery:94%
Idle Consumption (Standby Mode):< 65 W @ 25 °C
Display:Optional EG4 FlexBOSS Screen Kit
User Interface:App / Web
Remote Connectivity:Wi-Fi, Cellular, and Ethernet (Wi-Fi dongle included by default)
Operating Temperature Range:-13° – 140°F (-25° – 60°C)
Storage Temperature Range:-13° – 140°F (-25° – 60°C)
Operating Humidity:0–95% relative humidity
Max. Altitude of Operation:< 6,561 ft (< 2,000 m)
Enclosure Rating:NEMA 4X
Cooling Method:Fans
Noise:< 50 dB @ 3 ft
Dimensions (H × W × D):30.43 × 22.28 × 11.22 in (773 × 566 × 285 mm)
Unit Weight:121 lbs (55 kg)
Mounting:Wall mount
Max # of Inverters in Parallel:16 units
Certifications:UL 1741, UL 1741 PCS CRD TEST, UL3141
EMC Compliance:FCC Part 15 Class B
Safety Class:Class I
Environmental Protection:RoHS Compliant
AC Input Breaker:90 A
AC Output Breaker:80 A
PV Input Breaker:32 A per MPPT
Battery Breaker:250 A DC
EG4 WallMount Indoor Battery: 10-Year EG4 Manufacturer Warranty
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