12kW Split-Phase Whole Home Backup Battery System
· 12kW Split-Phase Hybrid Inverter for Whole Home Energy Management
· 16kWh LiFePO₄ Battery Storage (Safe & Long Life)
· Expandable System up to 72kW Power / 241kWh Battery Capacity
· Native 120V/240V Split-Phase Output for Residential Heavy Loads
· Dual MPPT Solar Input for Maximum Solar Battery Backup Efficiency
· 10ms Seamless Backup Switching for Instant Blackout Protection
· Smart APP Energy Monitoring & Real-Time TOU Control
· 12kW Split-Phase Hybrid Inverter for Whole Home Energy Management
· 16kWh LiFePO₄ Battery Storage (Safe & Long Life)
· Expandable System up to 72kW Power / 241kWh Battery Capacity
· Native 120V/240V Split-Phase Output for Residential Heavy Loads
· Dual MPPT Solar Input for Maximum Solar Battery Backup Efficiency
· 10ms Seamless Backup Switching for Instant Blackout Protection
· Smart APP Energy Monitoring & Real-Time TOU Control
Previous: NO MORE
12kW / 16kWh Whole Home Battery Backup System
Scalable Solar Energy Storage for Homes & Light Commercial
The EF-DL-HB12+PB16 is a high-performance whole home battery backup system engineered for complete energy independence in North American homes, farms, and light commercial projects. Combining a powerful 12kW split-phase hybrid inverter with a 16kWh LiFePO₄ battery, this scalable solution delivers reliable native 120V/240V power to easily start central ACs, pumps, and heavy appliances. Featuring dual MPPT controllers and smart app monitoring for Time-of-Use (TOU) cost savings, it seamlessly integrates with solar panels, the grid, and generators, while supporting massive expansion up to 72kW power and 241kWh battery storage capacity for uninterrupted off-grid energy storage.
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 Engineered with native 120V/240V split-phase architecture, this high-performance whole home battery backup system delivers reliable, uninterrupted power during grid outages. It effortlessly supports heavy residential loads, including central HVAC systems, well pumps, EV chargers, and essential home appliances, ensuring complete residential battery storage reliability and emergency blackout protection. |
| Flexible & Scalable Battery Expansion Designed for seamless system upgrades, this scalable home battery backup system supports up to 6 inverters and 15 batteries in parallel. Effortlessly expanding from a standard unit up to 72kW power output and 241kWh battery storage capacity, it delivers customizable expandable battery storage for everything from residential battery backup to large estates, 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 |
Quality-Driven Manufacturing
Supported by advanced production facilities and internationally recognized management systems, BST ensures consistent quality, operational excellence, and reliable product performance.
ISO 9001 • ISO 14001 • ISO 45001 Certified
Manufacturing-Excellence-2.jpg
Manufacturing-Excellence-3.jpg
what-we-do--然后面上的字改白色.jpg
Manufacturing-Excellence
Manufacturing-Excellence-3.jpg
Manufacturing-Excellence-1.jpg
Manufacturing-Excellence-4.jpg
Manufacturing-Excellence
Manufacturing-Excellence-2.jpg
Manufacturing-Excellence-3.jpg
what-we-do--然后面上的字改白色.jpg
Manufacturing-Excellence
Manufacturing-Excellence-3.jpg
Manufacturing-Excellence-1.jpg
Manufacturing-Excellence-4.jpg
Manufacturing-Excellence
Start Your Energy Storage Project with BST
100% Confidential. Drop your contact info to get a quick quote and product datasheet for your project.
Copyright © 2026 BST POWER. All rights reserved.