Product details
Reliable whole-home solar power for North American residential and light-commercial systems.
The Grandtech 12kW Hybrid Solar Inverter combines solar, battery, utility-grid and generator power in one intelligent energy-management platform. Its native 120/240V split-phase output supports common U.S. household loads, while dual MPPT tracking, fast backup switching and scalable parallel operation make it suitable for home backup, off-grid homes, farms and small businesses.
Key Features
- 12kW 120/240V split-phase output: Supports high-demand appliances including HVAC systems, water heaters, dryers, pumps and EV chargers.
- Dual MPPT with up to 24kW PV input: Improves solar harvest across different roof orientations and changing sunlight conditions.
- 10ms UPS transfer: Keeps essential loads and sensitive electronics running during grid outages.
- 48V battery compatibility: Works with 48V/51.2V LiFePO4 and lead-acid battery banks.
- Grid and generator ready: Flexible charging and backup options for reliable energy supply.
- Expandable to 72kW: Connect up to six inverters in parallel as energy demand grows.
- Smart WiFi monitoring: View system performance remotely, run diagnostics and support firmware updates.
- IP65 outdoor protection: Designed for reliable indoor or outdoor installation.
Technical Specifications
| Rated Output Power | 12,000W |
|---|---|
| Peak Output Power | 24,000VA |
| AC Output | 120/240Vac split phase, 60Hz |
| Battery Voltage | 48V nominal; compatible with 51.2V LiFePO4 systems |
| Battery Types | LiFePO4 / lithium-ion / lead-acid / user-defined |
| MPPT Trackers | 2 independent MPPTs |
| Maximum PV Input | Up to 24kW |
| MPPT Operating Range | 125–450Vdc |
| Maximum PV Open-Circuit Voltage | 550Vdc |
| Maximum Hybrid Charging Current | 200A |
| Backup Transfer Time | 10ms |
| Parallel Capability | 1–6 units, up to 72kW combined output |
| Communication | RS485 / CAN / USB / dry contact / WiFi |
| Protection Rating | IP65 |
| Operating Temperature | -25°C to 60°C; derating above 45°C |
| Cooling | Intelligent air cooling |
| Dimensions | 750 × 440 × 240mm |
| Weight | 42kg |
| Warranty | 5 years |
| Certifications | UL1741, IEEE 1547.1-2020, CEC, Rule 21, HECO, FCC Part 15 Class B, RoHS |
Recommended Applications
- Whole-home solar and battery backup
- Off-grid homes and cabins
- Farms, water pumps and workshop equipment
- Small commercial energy-storage systems
- EV charging and high-load household appliances
Frequently Asked Questions
Will it work with a standard U.S. home electrical system?
Yes. The inverter provides native 120/240V split-phase output for North American residential electrical systems.
Can it work with my preferred lithium battery?
It supports 48V and 51.2V lithium battery systems, lead-acid batteries and user-defined battery settings. CAN and RS485 communication support integration with compatible BMS protocols.
Can it power air conditioners, pumps and motors?
Yes. The 12kW output and high surge capability are suitable for HVAC systems, pumps, compressors, refrigerators and other demanding loads when the system is correctly sized.
Can several units be connected together?
Yes. Up to six units can operate in parallel for a maximum combined output of 72kW.
Can it charge from a generator?
Yes. The inverter supports solar, grid and generator input for flexible backup-power design.
Do you provide OEM and ODM service?
Yes. Grandtech provides OEM/ODM support for project configuration, branding and system integration.