Grandtech / Inverters
Grandtech SEI Pro Hybrid Inverter
SEI Pro Series
Made for the US split-phase grid, this hybrid solar inverter comes in three models (8, 10, 12 kW). Its dual MPPT peaks at 99.9% efficiency, hybrid charging hits 240 A, and up to six units can run in parallel for three-phase output.
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- 12 kW
- Output
- 99.9%
- MPPT efficiency
- 240 A
- Hybrid charging
UL 1741IEEE 1547.1-2020CEC RULE 21HECOFCC 15 Class B
At a glance
What makes this inverter worth it.
Split-phase 120 / 240 V; three-phase possible with units in parallel
Two MPPTs, PV array max 9 kW + 9 kW
Hybrid charging current of up to 240 A
Run 1 – 6 units in parallel
Rated IP65 for outdoor use
Tech specs
The numbers that matter.
Output
Rated output (8K / 10K / 12K)8.8 / 10 / 12 kW
Peak power1.5× rated
Rated voltage120 / 240 V split-phase
WaveformPure sine wave
Parallel capacity1 – 6 units
Battery
Battery typeLi-ion / Lead-acid / User-defined
Rated battery voltage48 V DC
Voltage range40 – 60 V DC
Max grid charging200 A
Max hybrid charging240 A
PV input
MPPT trackers2
Max PV array (12K)9 kW + 9 kW
Max open-circuit voltage550 V DC + 550 V DC
MPPT voltage range125 – 450 V DC
General
Dimensions840 × 440 × 260 mm
Weight48 kg
ProtectionIP65
Operating temp−25 °C to 60 °C
Max efficiency97.5%
Paperwork & cover
Before you buy.
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