Sungold Power - 12000W 48V Split-Phase Pure Sine Wave Inverter Charger (120/240V) – Whole-Home & Off-Grid Power
SAVE! 3–5% with bank transfer on orders over $5,000
SAVE! 3–5% with bank transfer on orders over $5,000
The 12000W 48V split-phase pure sine wave inverter charger is a high-capacity, low-frequency power solution engineered for whole-home backup, off-grid homes, farms, workshops, and commercial applications.
This all-in-one unit combines:
A high-surge pure sine wave inverter
A powerful AC battery charger
An automatic transfer switch
into a single professional-grade system capable of handling large motor loads, high inrush currents, and continuous operation.
With true split-phase 120V / 240V output, this inverter can power nearly all residential and commercial appliances—including HVAC systems, well pumps, dryers, compressors, and heavy shop equipment.
Available as a standalone inverter or as a complete battery bundle with 20.48kWh of LiFePO₄ storage.
12000W continuous output power
36,000W peak surge capacity
48V DC battery system
Split-phase 120V / 240V AC output
Low-frequency transformer-based design
Built-in AC battery charger (grid or generator)
Automatic transfer switch (≤10ms)
Automatic Generator Start (AGS) support
Adjustable AC / Battery priority modes
Compatible with lithium and lead-acid batteries
Designed for off-grid and backup power systems
No built-in MPPT (external solar controller required)
This inverter uses a heavy-duty low-frequency transformer, making it far more robust than lightweight high-frequency designs.
Handles large surge loads (motors, pumps, compressors)
Maintains stable voltage under heavy load
Superior reliability for continuous operation
Ideal for whole-home and commercial systems
Reduced risk of inverter shutdown during startup surges
Designed for:
Whole-home backup power
Off-grid homes and cabins
Farms and agricultural systems
Workshops and job sites
Commercial buildings
Renewable energy installations

Inverter only (requires external battery bank)
4 × SG48100P LiFePO₄ Batteries (20.48kWh Total Storage)
– Complete inverter + battery solution for off-grid and backup systems
Battery bundle includes factory-matched lithium batteries designed for high-current inverter applications.
Continuous Power: 12,000W
Surge Power: Up to 36,000W (short duration)
Output Voltage: 120V / 240V Split Phase
Waveform: Pure Sine Wave
Frequency: 50Hz / 60Hz selectable
Efficiency: >88%
Transfer Time: ≤10ms
Nominal Voltage: 48V
Supported Batteries: LiFePO₄, AGM, GEL, Flooded Lead-Acid
Low & High Voltage Protection: Yes
AC Input Voltage: 240VAC
Input Range: 184–253VAC / 140–270VAC selectable
Charger Type: Multi-stage intelligent charger
Max Charge Current: Up to 115A
Adjustable Charge Rate: 0–100%
When selecting the battery bundle, your system includes:
4 × SG48100P 48V 100Ah LiFePO₄ Server Rack Batteries
Total Storage Capacity: 20.48kWh
Certifications: UL1973 & UL9540A
Chemistry: Lithium Iron Phosphate (LiFePO₄)
Expandable for future capacity growth
Designed for seamless integration with the inverter for home backup, off-grid solar, and commercial energy storage systems.
12000W 48V Split Phase Inverter Charger
LCD Remote Control
Remote Control Cable
Battery Temperature Sensor (BTS)
User Manual
4 × SG48100P 48V 100Ah LiFePO₄ Batteries
Required (Not Included):
Battery cables sized for 12kW load
DC disconnect and over-current protection
AC input breaker (grid or generator)
AC output breaker panel / load center
Proper grounding components
Optional:
MPPT solar charge controller (required for solar panels)
Solar panels
Backup generator
This inverter does not include an MPPT solar charge controller
A separate MPPT controller is required for solar panel integration
Designed for 48V battery systems only
Professional installation recommended for split-phase systems