12kW Split-Phase Whole Home Backup Battery System


· 12kW Split-Phase Hybrid Inverter 

· 16kWh LiFePO₄ Battery 

· Expandable up to 72kW / 241kWh 

· Native 120/240V Split-Phase Output 

· Dual MPPT Solar Input 

· 10ms Seamless Backup Switching 

· Smart APP Monitoring 

· 12kW Split-Phase Hybrid Inverter 

· 16kWh LiFePO₄ Battery 

· Expandable up to 72kW / 241kWh 

· Native 120/240V Split-Phase Output 

· Dual MPPT Solar Input 

· 10ms Seamless Backup Switching 

· Smart APP Monitoring 


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Designed for Reliable Whole Home Backup Power

A scalable split-phase energy storage solution for solar self-consumption, backup power, and off-grid energy independence.

EF-DL-HB12+PB16 combines a powerful 12kW split-phase hybrid inverter with a 16kWh LiFePO₄ battery to provide reliable whole-home backup power for residential and light commercial applications. Designed specifically for North American 120/240V electrical systems, it supports solar integration, generator connection, intelligent energy management, and flexible system expansion. With support for up to 6 inverters and 15 batteries in parallel, the system can scale to 72kW output power and 241kWh storage capacity, making it suitable for everything from residential backup applications to large homes, farms, workshops, and small commercial projects.

Designed for Reliable Whole Home Backup Power

A scalable split-phase energy storage solution for solar self-consumption, backup power, and off-grid energy independence.

EF-DL-HB12+PB16 combines a powerful 12kW split-phase hybrid inverter with a 16kWh LiFePO₄ battery to provide reliable whole-home backup power for residential and light commercial applications. Designed specifically for North American 120/240V electrical systems, it supports solar integration, generator connection, intelligent energy management, and flexible system expansion. With support for up to 6 inverters and 15 batteries in parallel, the system can scale to 72kW output power and 241kWh storage capacity, making it suitable for everything from residential backup applications to large homes, farms, workshops, and small commercial projects.

Whole Home Backup Power
Native 120/240V split-phase architecture delivers reliable backup power for entire homes, supporting essential appliances, HVAC systems, well pumps, and other high-power loads during grid outages.

 

Flexible expansion
Support up to 6 inverters and 15 batteries in parallel. Scalable up to 72kW / 241kWh, enabling flexible expansion from residential backup systems to large homes, farms, and light commercial applications. 

 

Whole Home Backup Power
Native 120/240V split-phase architecture delivers reliable backup power for entire homes, supporting essential appliances, HVAC systems, well pumps, and other high-power loads during grid outages.

Flexible expansion
Support up to 6 inverters and 15 batteries in parallel. Scalable up to 72kW / 241kWh, enabling flexible expansion from residential backup systems to large homes, farms, and light commercial applications. 

Technical Specifications

Inverter Model EF-DL-HB12
AC Input
Nominal Input Voltage 120(L1/N/L2/N)/240Vac(L1/L2)
Input Phase Voltage Range (85Vac-140Vac)±2%
Frequency 50Hz/60Hz(Auto Detection)
Frequency Range Grid:47–55(50Hz)/57–65(60Hz)
Max.AC Input Current 2 Pole,200A /185A(L1/L2)
Max.AC Grid Charge Current(Battery Side) 160A
AC Output
Nominal Output Voltage 120/240Vac (L1/L2/N)
Nominal Output Power(VA)/(W) Split phase:12000/24000/Single phase:7200/7200
Peak Power(VA) Split phase:18000/Single phase:18000
Frequency 50Hz/60Hz
Max.Efficiency AC mode:>95%/inverter mode:>91%
Power Factor 1
Conversion(Bypass and inverter) 10ms(Typical)
Gen
Loaded Motor Capability 6HP(-4.47KW)
Nominal Input Voltage 120/240 Vac(L1/L2/N
Input Phase Voltage Range (85Vac-140Vac)±2%
Frequency Range 40–70Hz
Max.Bypass Phase Overload Current 2 Pole,200A /185A(L1/L2)
Battery
Battery Type Lead Acid or Lithium Battery
Nominal Battery Input Voltage 51.2V(Minimum Starting Voltage 44V)
Battery Voltage Range 40.0Vdc–58.6Vdc
MaxCharge Current(Grid+PV) 250A
Solar(PV)
Max.PV Open Circuit Voltage 500Vdc
PV Operate Voltage Range 90Vdc–485Vdc
MPPT Voltage Range 90Vdc–450Vdc
Max.PV Input Power/Current 12000W/2*62A*2C(Pole)
General Data
Max. Units in Parallel 6
Save Power Mode Loads25W Enter Power-Saving Mode
Safety Certification UL STD.T741,FCC Part15,CLASS B
Operate Temperature Range -10°C to 55°C(+45°C Derating)
Storage Temperature Range -25°C ~ -60°C
Humidity Range 5% to 95%(Conformal Coating Protection)
Noise ≤60dB
Cooling Forced Air Cooling,Variable Speed Of Fan
Communicate USB/RS485(WIFI/GPRS)/Dry Node Control
Dimension(L*W*D) 700*485*150mm
Weight(Kg) 23.8

 

Battery Model PB-16
General
Nominal Energy 16kWh
Usable Energy 16kWh
Scalability Max.15 in Parallel(241kWh)
Dimension(H*W*D) 910*530*255mm
Installation Floor Installation
Cell Type LFP
Cell Capacity 314Ah
Design Life 15 Years
Electrical
Nominal Voltage 51.2V(16S1P)
Operating Voltage Range 43.2V~56.8V
Max.Discharge Current 200A
Max.Charge Current 150A
Operation
Charge Temperature -10°C-55°C(Heating starts at -10°C-0°C)
Discharge Temperature 20°C-55°C
Storage Temperature -20°C-55°C
Relative Humidity 5%-95% (No Condensation)
Altitude ≤2000m
Ingress Protection IP67
Communication Interface RS485,CAN,WiFi/Bluetooth(Optional)
Certification CE,UN38.3,UL1973,UL1950a(Design conforms)
Compatible Inverter BST,Victron,Goodwe,Solis,Solar,Deye,Voltronic
Inverter Model EF-DL-HB12
AC Input
Nominal Input Voltage 120(L1/N/L2/N)/240Vac(L1/L2)
Input Phase Voltage Range (85Vac-140Vac)±2%
Frequency 50Hz/60Hz(Auto Detection)
Frequency Range Grid:47–55(50Hz)/57–65(60Hz)
Max.AC Input Current 2 Pole,200A /185A(L1/L2)
Max.AC Grid Charge Current(Battery Side) 160A
AC Output
Nominal Output Voltage 120/240Vac (L1/L2/N)
Nominal Output Power(VA)/(W) Split phase:12000/24000/Single phase:7200/7200
Peak Power(VA) Split phase:18000/Single phase:18000
Frequency 50Hz/60Hz
Max.Efficiency AC mode:>95%/inverter mode:>91%
Power Factor 1
Conversion(Bypass and inverter) 10ms(Typical)
Gen
Loaded Motor Capability 6HP(-4.47KW)
Nominal Input Voltage 120/240 Vac(L1/L2/N
Input Phase Voltage Range (85Vac-140Vac)±2%
Frequency Range 40–70Hz
Max.Bypass Phase Overload Current 2 Pole,200A /185A(L1/L2)
Battery
Battery Type Lead Acid or Lithium Battery
Nominal Battery Input Voltage 51.2V(Minimum Starting Voltage 44V)
Battery Voltage Range 40.0Vdc–58.6Vdc
MaxCharge Current(Grid+PV) 250A
Solar(PV)
Max.PV Open Circuit Voltage 500Vdc
PV Operate Voltage Range 90Vdc–485Vdc
MPPT Voltage Range 90Vdc–450Vdc
Max.PV Input Power/Current 12000W/2*62A*2C(Pole)
General Data
Max. Units in Parallel 6
Save Power Mode Loads25W Enter Power-Saving Mode
Safety Certification UL STD.T741,FCC Part15,CLASS B
Operate Temperature Range -10°C to 55°C(+45°C Derating)
Storage Temperature Range -25°C ~ -60°C
Humidity Range 5% to 95%(Conformal Coating Protection)
Noise ≤60dB
Cooling Forced Air Cooling,Variable Speed Of Fan
Communicate USB/RS485(WIFI/GPRS)/Dry Node Control
Dimension(L*W*D) 700*485*150mm
Weight(Kg) 23.8

 

Battery Model PB-16
General
Nominal Energy 16kWh
Usable Energy 16kWh
Scalability Max.15 in Parallel(241kWh)
Dimension(H*W*D) 910*530*255mm
Installation Floor Installation
Cell Type LFP
Cell Capacity 314Ah
Design Life 15 Years
Electrical
Nominal Voltage 51.2V(16S1P)
Operating Voltage Range 43.2V~56.8V
Max.Discharge Current 200A
Max.Charge Current 150A
Operation
Charge Temperature -10°C-55°C(Heating starts at -10°C-0°C)
Discharge Temperature 20°C-55°C
Storage Temperature -20°C-55°C
Relative Humidity 5%-95% (No Condensation)
Altitude ≤2000m
Ingress Protection IP67
Communication Interface RS485,CAN,WiFi/Bluetooth(Optional)
Certification CE,UN38.3,UL1973,UL1950a(Design conforms)
Compatible Inverter BST,Victron,Goodwe,Solis,Solar,Deye,Voltronic
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