Battery Energy Storage Systems
China Suppliers Factory Integrated Photovoltaic-Electric Hybrid Energy Storage System – 48 kWh Capacity for Homes and Businesses
This integrated smart energy system from China features an innovative combination of photovoltaic power generation and advanced lithium-ion battery storage, offering a significant total energy storage capacity of 48 kilowatt-hours (kWh). Designed to fulfill the energy self-sufficiency and optimization requirements for households and small-to-medium-sized commercial and industrial applications, this product is ideal for those seeking reliable and efficient energy solutions. As a leading supplier in the industry, our factory ensures high-quality manufacturing standards and cutting-edge technology, providing you with the best in smart energy solutions
Rated Voltage: 460V
Cell: 3.2V-105AH
Rated Capacity: 48KWH
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Photovoltaic Power Generation Unit
Utilizes high-efficiency monocrystalline or polycrystalline silicon photovoltaic panel arrays to capture solar energy through Maximum Power Point Tracking (MPPT) technology, converting light energy into direct current (DC) electricity.
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Energy Storage and Conversion Unit
DC power is converted to AC via smart inverters and simultaneously stored in lithium iron phosphate (LFP) batteries. Features extended cycle life (≥5000 cycles), high safety, and wide operating temperature range (-20°C to 60°C).
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Intelligent Management System
Integrated EMS (Energy Management System) continuously monitors PV generation, battery status, and load demands. Supports grid-connected/off-grid dual-mode switching and ensures uninterrupted power supply during outages.
📋 Technical Specifications
| Model | SPVLI-48KWH-INV30KW | |
| Isolation Mode | Low Frequency Transformer | |
| ⚡ Inverter Part | ||
| Battery Input | Rated Voltage (Vdc) | 460 VDC |
| Voltage Range (Vdc) | 388 – 518 V | |
| AC Output | Rated Output Power | 30 KW |
| Output Waveform | Pure Sine Wave | |
| Rated Voltage | 120/240 VAC | |
| Phases | Split Phase + N + PE | |
| Rated Current (A) | 125 A (Phase Current) | |
| Frequency | 60 Hz | |
| Power Factor (PF) | > 0.95 | |
| Inverter Efficiency | > 92% | |
| Display | LCD + LED | |
| Overload Ability | 150%, 35 seconds | |
| 🔌 AC-DC Charger Part | ||
| AC Input | Voltage Range (Vac) | 90 – 280 Vac |
| DC Output | Rated Voltage (Vdc) | 460 Vdc |
| Rated Current (A) | 40 A | |
| 🔋 Lithium Battery Part | ||
| Cell / Number | 105 AH / 144 PCS | |
| Rated Voltage | 460 V | |
| Max Charge Current | 50 A | |
| Max Discharge Current | 50 A | |
| Charge Temperature Range | 0 ºC ~ 50 ºC | |
| Discharge Temperature Range | -20 ºC ~ 50 ºC | |
| Cell Charge End Voltage | 3.6 V | |
| Cell Discharge End Voltage | 2.7 V | |
| Protection Function | Protection | Input reverse polarity, under voltage, over voltage, output over-current, short circuit, overheating, etc. |
| Cooling Method | Fan-cooled | |
| Degree of Protection | IP20 (Indoor) | |
❓ Frequently Asked Questions
Q
What is the rated output power of the SPVLI-48KWH-INV30KW system?
What is the rated output power of the SPVLI-48KWH-INV30KW system?
The system provides a rated AC output power of 30 KW, with a split-phase output at 120/240 VAC and a rated phase current of 125 A. It also supports an overload capacity of 150% for up to 35 seconds.
Q
What type of battery does this solar energy storage system use, and how long does it last?
What type of battery does this solar energy storage system use, and how long does it last?
The system uses lithium iron phosphate (LFP) batteries with 105 AH cells (144 PCS) at a rated voltage of 460 V. LFP batteries offer a cycle life of ≥5,000 cycles, providing exceptional longevity and safety compared to conventional battery technologies.
Q
Can this system operate both on-grid and off-grid?
Can this system operate both on-grid and off-grid?
Yes. The integrated EMS (Energy Management System) supports grid-connected and off-grid dual-mode switching. It ensures uninterrupted power supply during grid outages and intelligently schedules self-generation for self-consumption with surplus energy stored in the battery.
Q
What is the operating temperature range of the lithium battery?
What is the operating temperature range of the lithium battery?
The battery supports a charge temperature range of 0°C to 50°C and a discharge temperature range of -20°C to 50°C. This wide range makes it suitable for various climate conditions and installation environments.
Q
What protection features are built into this system?
What protection features are built into this system?
The system includes comprehensive protection mechanisms covering: input reverse polarity, under voltage, over voltage, output over-current, short circuit, and overheating. Thermal management is handled by a fan-cooled design, and the unit carries an IP20 protection rating for indoor installation.
Q
What is the isolation mode and inverter efficiency of this unit?
What is the isolation mode and inverter efficiency of this unit?
The SPVLI-48KWH-INV30KW uses a Low Frequency Transformer isolation mode, which provides superior reliability and load handling. The inverter achieves an efficiency of >92% with a power factor of >0.95, delivering clean pure sine wave output at 60 Hz.
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