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EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 16kW Hybrid Inverter Kits
by EG4

EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 16kW Hybrid Inverter Kits

SKU: K0210
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Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Availability:
in stock, ready to be shipped
Bundle Options: 1 x Indoor Battery + FlexBOSS21 Inverter

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Product Highlights

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 16kWh 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.

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EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 16kW Hybrid Inverter Kits

EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 16kW Hybrid Inverter Kits

Introducing The EG4 16kWh WallMount Indoor Battery

Specifications:

EG4 48V 314Ah WallMount Indoor Battery
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
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.
Operating Temperature Range Charge: 32 – 122°F ; Discharging: -4 – 131°F
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
Weight 293.2 lbs.
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
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.
EG4 FlexBOSS21 16kW 48V Split Phase AC Hybrid Inverter
Nominal AC Voltage 120/240VAC | 120/208VAC (L1/L2/N required)
Frequency 60 Hz (Default) | 50 Hz
Max. AC Current 50A @ 240V | 57.7A @ 208V
Max. AC Input Power 12000W
Max. AC Bypass 90A
Operating Voltage Range 180 - 270VAC
Output Voltage 120/240VAC | 120/208VAC (L1/L2/N required)
Max. Output Current 66.7A
Output Frequency 60 Hz (Default) | 50 Hz
Nominal Output Power (without PV) 12000W @ 240V | 12000W @ 208V
Nominal Output Power (with PV) 16000W @ 240V | 13800kW @ 208V
Power Factor 0.99 (Full Load)
Reactive Power Adjustment Range -0.8 - 0.8 Leading Adjustable
Total Harmonic Distortion <5% (Full Load)
Transfer Time 20ms (Default) | 10ms
(Configurable) | 20ms (Parallel)
Rated Output Current 50A @ 240V | 57.7A @ 208V
Nominal Output Voltage 120/240VAC | 120/208VAC
Rated Output Power 12000W @ 240VAC | 12000W @ 208VAC
Peak Power 24000W (0.5 sec) | 18000W (1 sec)
15000W (6 min) | 13200W (12 min)
Operating Frequency 60 Hz (Default) | 50 Hz
Total Harmonic Distortion Voltage <5%
Transfer Time 20ms (Default) | 10ms (Configurable)
| 20ms (Parallel
No. of MPPTs 3
Inputs per MPPT 2 (MPPT 1) | 2 (MPPT 2) | 1 (MPPT 3)
Max. Usable Input Current 26A (MPPT 1) | 26A (MPPT 2) | 15A (MPPT 3)
Max. Short Circuit Input Current 31A (MPPT 1) | 31A (MPPT 2) | 19A (MPPT 3)
DC Input Voltage Range 100 - 600VDC
Unit Start-Up Voltage 100VDC
MPPT Operating Voltage Range 120 - 440VDC
Nominal MPPT Voltage 360VDC
Max. Utilized PV Array Power 21000W
Max. Recommended PV Input 25000W
Max. Efficiency 97% (PV to Grid) | 94.5%
(PV to Battery) | 94% (Battery to Grid)
Idle Consumption <65W
Nominal Voltage 48VDC
Voltage Range 40 - 60VDC
Max. Charge / Discharge Power 12000W
Recommended Battery
Capacity per Inverter		 >300Ah
Operating / Storage Temperature Range -13ºF - 140ºF
Operating Altitude <6,561 ft (2000 m)
Relative Humidity 0 - 100%
Typical Noise Emission <50dB @ 3 ft
Design Topology High-Frequency / Transformerless
Protection Rating IP65 / NEMA 4X
Communications RS485 / CANBus / WiFi
Max. Parallel Connections 16
Weight 88 lbs
Depth 11.3 in
Width 22.3 in
Height 30.5 in

PACKAGE INCLUDES

EG4 48V 314Ah WallMount Indoor Battery + FlexBOSS21 12kW Hybrid Inverter

EG4 48V 314Ah WallMount Indoor Battery

x 1

Mounting Bracket

x 1

Concrete Expansion Bolts

x 6

Red & Black Battery to Inverter Power Cables (3.3 FT)

x 2

Battery to Inverter Comm Cable (5 FT)

x 1

EG4 Indoor Buildable Conduit Box

x 1

EG4 FlexBOSS21 16kW 48V Split Phase AC Hybrid Inverter

x 1

Product Documents:

EG4 48V 314Ah WallMount Indoor Battery User Manual

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EG4 48V 314Ah WallMount Indoor Battery Specification Sheet

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EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter User Manual

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EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter Specification Sheet

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EG4 FlexBOSS21 16kw 48V Split Phase AC Hybrid Inverter Certification Of Compliance

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