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This off-grid PV energy storage system integrates efficient control, reliable power supply and flexible energy storage, adopts fully digital dual closed-loop control and SPWM technology, outputs pure sine waves, is compatible with lead-acid, colloid, and lithium batteries and supports lithium battery activation, has AC/PV priority charging and hybrid charging modes, integrates controller, inverter, battery and BMS, realizes integrated compact design, supports uninterruptible power supply and full-power UPS functions, and has wide environmental adaptability and multiple protection mechanisms. It is an ideal choice for off-grid power supply in multiple scenarios such as high-end villas, areas without electricity, hospitals, and hotels.
Item No :
GM-LE5KPayment :
TT/LCProduct Origin :
ChinaCustom Made :
YesShipping Port :
20 daysWarranty :
5 yearsFeatures
Off-grid Photovoltaic Energy Storage All In One
Integrated Design
Multi-mode Output
Efficient and Safe
Parameter
| Model | GM-LE3K | GM-LE5K |
| Mains Input | ||
| Rated Input Voltage（VAC） | 220 | 220 |
| Input Voltage Range (VAC) | (185-280)±2% | |
| Frequency Range (Hz) | 47-55(50)/57-65(60) | |
| Overload Current (A) | 40 | |
| Maximum AC Charging Current | 20 | |
| Battery (internal) | ||
| Battery Type | Lithium battery | |
| Battery Rated Voltage | 48 | |
| Battery Voltage Range | 45-60 | |
| No-load Loss（A） | ＜1 | |
| Rated Energy（KWh） | 5.12 | 10.24 |
| PV Input | ||
| Maximum Input Power (W) | 2800 | 4500 |
| Input Voltage Range (VDC) | 60-145 | |
| Recommended PV String Voltage (V) | 105 | |
| Charging Method | MPPT | |
| MPPT Number | 1 | 1+1 |
| Maximum Photovoltaic Charging Current (A) | 50 | 40+40 |
| AC Output | ||
| Rated Output Power (W) | 3000 | 5000 |
| Maximum Output Power (VA) | 5000 | 8000 |
| Rated Output Voltage (VAC) | 220±5% | |
| Output Frequency Range (Hz) | 50/60±1% | |
| Output Waveform | Pure sine wave | |
| No-load Loss | ＜3%（rated power） | |
| AC voltage Distortion Rate | ＜3%（Linear load） | |
| Peak Efficiency | ＞90% | |
| Overload Protection | 120%, turns off after 1 minute; 150%, turns off after 10 seconds | |
| General Parameters | ||
| Isolation Method | High frequency isolation | |
| Protection Level | IP20 | |
| Cooling Method | Intelligent air cooling | |
| Relative Humidity | 5%-95% (no condensation) | |
| Operating Temperature（℃） | -20~+45 | |
| Altitude（m） | 2000 | |
| Noise（dB） | ＜55 | |
| Display Mode | LCD+LED | |
| Communication | RS485-RTU | |
| Reference Weight | 75 | 120 |
| Reference Size (W*D*H) (mm) | 600*550*720 | 600*550*920 |
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