





GYS 3.2K-3.8KWH GYS 5K-5/10KWH All-in-One Hybrid Inverter
GYS 3.2K-3.84KWH / 5K-5KWH / 5K-10KWH all-in-one hybrid energy storage system integrates a hybrid inverter, LiFePO4 battery and MPPT solar charge controller in one compact unit. With 3.2kW or 5kW rated output power and 3.84kWh, 5.12kWh and 10.24kWh battery capacity options, it supports grid-connected operation and off-grid backup power supply. Equipped with WiFi APP monitoring and parallel function, it is ideal for residential solar energy storage and home emergency backup applications.
•All-in-One Energy Storage Design — Integrates hybrid inverter, LiFePO4 battery and MPPT solar charge controller into one compact system, simplifying installation and reducing system complexity.
•Flexible Power & Capacity Options — Available with 3.2kW and 5kW output power configurations, supporting 3.84kWh, 5.12kWh and 10.24kWh battery capacity options for different residential energy needs.
•Reliable Backup Power Supply — Supports grid-connected operation and off-grid backup mode, providing continuous power supply during grid outages.
•High Conversion Efficiency — Delivers up to 98% conversion efficiency with pure sine wave output for stable and efficient power performance.
•Safe LiFePO4 Battery Technology — Equipped with lithium iron phosphate battery technology, offering enhanced safety, long cycle life and reliable energy storage performance.
•Smart Energy Monitoring — Supports WiFi APP monitoring, enabling remote access to system status, battery information and energy performance.
•Flexible Solar Integration — Equipped with MPPT solar charging technology, supporting efficient PV energy conversion and improved solar utilization.
•Parallel Expansion Capability — Supports parallel operation, allowing flexible system expansion for increasing household energy requirements.
•Wide Residential Applications — Suitable for home solar storage, small residential projects, backup power systems and emergency energy supply applications.
Features
Energy storage can be used in conjunction with PV modules to charge itself using solar energy. When a grid fault or power outage occurs, it automatically switches to backup power, utilizing the stored electricity to continuously provide stable and reliable power support for lighting systems, electrical equipment, etc. It features low maintenance costs, low energy consumption, and low environmental noise.
- Built-in MPPT solar charge controller
- Wide PV input range
- Wide PV input range
- Grid output voltage: 220V/230V/240VAC
- Equipped with dust filter for harsh environments
- Optional WiFi module for mobile APP monitoring
- Supports Li-ion battery BMS communication

Technical Parameter
| Product Specifications | GYS 3.2K-3.8KWH | GYS 5K-5KWH | GYS 5K-10KWH |
| Grid Input | |||
| Nominal Voltage | 220/230/240Vac(L+N+PE) | ||
| Grid Input Range | 170-280VAC (UPS mode); 90-280VAC (APL mode) | ||
| Frequency | 50Hz/60Hz (Auto detection) | ||
| Grid-connected Operation | |||
| Output Voltage | 220/230/240Vac(L+N+PE) | ||
| Grid Voltage Range | 195-253VAC | ||
| Grid Frequency Range | 49-51±1Hz / 59-61±1Hz | ||
| Power Factor Range | >0.99 | ||
| Max. Conversion Efficiency | 98% | ||
| Inverter Mode | |||
| Output Voltage | 220/230/240Vac(L+N+PE) ±5% | ||
| Rated Output Frequency | 50/60Hz ±0.2% | ||
| Output Waveform | Pure sine wave | ||
| Rated Output Power | 3000W | 5000W | 5000W |
| Peak Power | 6000VA | 10000VA | 10000VA |
| Peak Efficiency (PV to INV) | 98% | ||
| Peak Efficiency (BATT to INV) | 94% | ||
| Overload Protection | 110-150%, 11s / ≥150%, 2s | ||
| Crest Factor | 3:1 | ||
| Energy Storage Battery | |||
| Battery Type | LiFePO4 | LiFePO4 | LiFePO4 |
| Battery Capacity (Wh) | 3840Wh | 5120Wh | 10240Wh |
| Battery Nominal Voltage | 25.6Vdc | 51.2Vdc | 51.2Vdc |
| Constant Charging Voltage | 28.2Vdc | 56.4Vdc | 56.4Vdc |
| Grid Max Charging Current | 60A | 120A | 120A |
| PV Max Charging Current | 100A | 150A | 150A |
| Charging Temperature Range | 0-55°C | 0-55°C | 0-55°C |
| Discharging Temperature Range | -20°C to 55°C | -20°C to 55°C | -20°C to 55°C |
| PV Side | |||
| Number of MPPTs | 1 | 1 | 1 |
| MPPT Voltage Input Range | 60-500Vdc | 90-500Vdc | 90-500Vdc |
| PV Max Protection Voltage | 500Vdc | 500Vdc | 500Vdc |
| PV Max Input Power | 5000W | 8000W | 8000W |
| PV Max Input Current | 18A | 25A | 25A |
| General Data | |||
| Operating Temperature | -10°C to 50°C | ||
| Relative Humidity | 5% to 95% (Conformal coating protection) | ||
| Protection Grade | IP21 | ||
| Cooling Method | Forced air cooling, variable speed fan | ||
| Communication Interface | USB / RS485 (Wi-Fi/4G) / Dry contact control | ||
| Product Dimensions (mm) | 620/300/780 | 630/300/1160 | 670/350/1320 |
| Packaging Dimensions (mm) | 700/380/940 | 700/380/1320 | 750/430/1540 |
| Weight (kg) | 70 | 100 | 145 |
| Optional Functions | |||
| Parallel Operation | YES / NO | ||
| Wi-Fi | YES / NO | ||
| Grid Anti-reverse Current Device CT | YES / NO | ||
User Manual
GYS 3.2K-3.84KWH / 5K-5KWH / 5K-10KWH All-in-One Hybrid Inverter FAQ
◉ Built-in MPPT solar charge controller
◉ Wide PV input range
◉ Wide PV input range
◉ Grid output voltage: 220V/230V/240VAC
◉ Equipped with dust filter for harsh environments
◉ Optional WiFi module for mobile APP monitoring
◉ Supports Li-ion battery BMS communication
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