





GYS 3315K-15/30–45KWH Three-phase All-in-one PV-storage Inverter/Controller
GYS 3315K Three-phase All-in-one PV-storage Inverter Controller integrates photovoltaic MPPT, energy storage battery management, inverter and intelligent control functions into a compact energy solution. Supporting 15kWh/30kWh/45kWh battery configurations, it enables efficient solar energy utilization, grid-connected and backup power operation. With wide PV input range, high conversion efficiency and multiple protection functions, it provides reliable energy management for residential, commercial and small-scale industrial applications.
•All-in-one Energy Integration — integrates PV MPPT, battery storage, inverter and intelligent energy management functions into one compact system.
•Flexible Energy Capacity — available in 15kWh, 30kWh and 45kWh battery configurations for different energy storage requirements.
•Three-phase Power Output — supports three-phase AC applications with stable power supply for residential, commercial and industrial loads.
•Wide PV Input Range — supports up to 1000V PV input voltage with multiple MPPT channels for efficient solar utilization.
•High Efficiency Conversion — delivers up to 98% PV efficiency and 94.5% battery efficiency for optimized energy performance.
•Reliable Safety Protection — equipped with battery protection, PV reverse protection, overcurrent, short-circuit and insulation monitoring functions.
•Smart Energy Management — supports Wi-Fi, APP monitoring, RS485 communication and intelligent BMS connection for convenient operation.
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.
- Wide photovoltaic (PV) input range
- CT-based anti-backflow protection
- Wide grid (AC) input range
- USB / RS485 / dry contact communication
- Supports WiFi + APP monitoring
- Supports lithium battery BMS communication and parallel connection

Technical Parameter
| Product Specifications | GYS 3315K-15KWH | GYS 3315K-30KWH | GYS 3315K-45KWH |
|---|---|---|---|
| Grid-tied | |||
| Peak power | 16500VA | ||
| Rated output voltage | 380/400V | ||
| Rated output frequency | 50/60Hz | ||
| Maximum output current | 25A | ||
| Power factor | 1 (0.8 leading – 0.8 lagging) | ||
| Off-grid | |||
| Rated output power | 15000W | ||
| Overload protection | >200%, 15sec | ||
| Rated output voltage | 380/400V | ||
| Rated output frequency | 50/60Hz | ||
| Rated output current | 24A | ||
| Energy Storage Battery | |||
| Battery type | LiFePO4 | ||
| Battery nominal voltage | 51.2Vdc | ||
| Battery capacity | 15360Wh | 15360Wh × 2 | 15360Wh × 3 |
| Max charge/discharge current | 300A | ||
| Max charge/discharge power | 15000W | ||
| Charging temperature | 0~55℃ | ||
| Discharging temperature | -20~55℃ | ||
| PV Side | |||
| Maximum PV input power | 30kW | ||
| Maximum PV input voltage | 1000V | ||
| MPPT voltage input range | 200-800V | ||
| Number of MPPT | 2 | ||
| Efficiency | |||
| Maximum PV efficiency | 98% | ||
| Maximum battery efficiency | 94.5% | ||
| General Data | |||
| Operating temperature | -25~60℃ (Derating above 45℃) | ||
| Relative humidity | 0~95% | ||
| Cooling method | Intelligent Forced Air Cooling | ||
| Protection rating | IP21 | ||
User Manual
Frequently Asked Questions About GYS 3315K Three-phase All-in-one PV Storage Inverter
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