QLbattery
QLH-L12kW 12kW Split-Phase Hybrid Solar Inverter
QLH-L12kW 12kW Split-Phase Hybrid Solar Inverter
The QLH-L12kW is a 12kW split-phase hybrid solar inverter for US residential solar storage and whole-home backup, delivering pure sine wave 120V/240V output with an integrated MPPT solar charge controller.
It accepts up to 6kW x 2 PV input (MPPT 90-450VDC), supports 51.2V lithium or lead-acid batteries (40-58.6VDC), provides up to 18kW peak power with 10ms typical switchover, and up to 6 units can be paralleled for larger systems.
Key Specifications
| Rated power | 12kW split-phase (7.2kW single-phase) |
| Peak power | 18kW |
| Output voltage | 120VAC (L1/N, L2/N) / 240VAC (L1/L2) |
| Waveform | Pure sine wave |
| Transfer time | 10ms typical |
| Battery | 51.2VDC nominal (40-58.6VDC) |
| PV input | 6kW x 2 |
| MPPT range | 90-450VDC |
| Max charging current | 220A |
| Parallel | Up to 6 units (optional) |
| Communication | USB / RS485, WiFi optional |
| Weight / size | 24.3kg / 620*450*132mm |
Applications
- US residential solar + storage
- Whole-home backup power
- Off-grid and hybrid systems
- Split-phase 120V/240V loads
FAQ
Is it compatible with US split-phase power? Yes, it outputs 120VAC on L1/N and L2/N and 240VAC across L1/L2 for standard US panels.
Which batteries can I use? Lithium-ion (51.2V), lead-acid, or user-defined battery profiles within 40-58.6VDC.
How much solar can it handle? Up to 6kW x 2 PV input with 90-450VDC MPPT tracking.
Can I parallel multiple units? Yes, up to 6 machines with optional parallel interface.
What is the transfer time? 10ms typical switchover for seamless backup.
QLbattery is a 15-year LiFePO4 energy storage factory supporting OEM/ODM and wholesale. Contact us for pricing, lead time and the latest datasheet.
