5kw Inverter 48v | High-Efficiency Solar Power Conversion for Off-Grid & Backup Systems
1. Product Overview
In the rapidly evolving landscape of renewable energy, the 5kw inverter 48v stands as a critical component for modern power systems. Designed to convert 48-volt DC battery storage into stable 230V/240V AC power, this inverter is the backbone of residential off-grid setups, commercial backup solutions, and industrial solar installations. Our latest model combines advanced MPPT technology with pure sine wave output, ensuring compatibility with sensitive electronics while maximizing energy harvest from your solar array. Whether you are building a new solar system or upgrading an existing one, this 5kw inverter 48v unit delivers the reliability and efficiency demanded by professional B2B applications.
2. Key Features
- Pure Sine Wave Output: Delivers clean, stable AC power (THD < 3%), safe for motors, medical equipment, and smart appliances.
- Built-in MPPT Charge Controller: 120A maximum PV input current, tracking efficiency ≥99.5% for optimal solar utilization.
- Wide Input Voltage Range: Operates from 40V to 62V DC, ensuring stable performance even with battery voltage fluctuations.
- Parallel Capability: Supports up to 6 units in parallel (30kW total) for scalable energy systems.
- Smart LCD Display & App Monitoring: Real-time data on power flow, battery status, and fault alerts via Wi-Fi/Bluetooth.
- Seamless UPS Transfer: Automatic switchover in < 10ms between grid and battery during power outages.
- High Surge Power: 10kW surge capacity for 5 seconds, handling startup loads of refrigerators, pumps, and compressors.
3. Technical Specifications
| Parameter |
Specification |
| Model |
SP-5000-48 |
| Rated Power |
5000W (5kw inverter 48v) |
| Surge Power (5s) |
10000W |
| DC Input Voltage |
48V (40V-62V range) |
| AC Output Voltage |
230VAC ±2% / 240VAC ±2% (selectable) |
| Output Frequency |
50Hz / 60Hz (auto-sensing) |
| Waveform |
Pure Sine Wave (THD < 3%) |
| Maximum PV Input Power |
6000W |
| MPPT Voltage Range |
60V-130V DC |
| Maximum Charging Current |
120A (adjustable) |
| Efficiency (Peak) |
94% (inverter mode) / 98% (MPPT mode) |
| UPS Transfer Time |
< 10ms (typical) |
| Operating Temperature |
-20°C to +55°C |
| Protection Rating |
IP21 (indoor use) |
| Communication |
RS485, Wi-Fi (optional), Bluetooth (optional) |
| Dimensions (WxHxD) |
450 x 310 x 130 mm |
| Weight |
14.5 kg |
| Certifications |
CE, RoHS, IEC 62109, EN 50438 |
4. Application Scenarios
The 5kw inverter 48v is engineered for versatility across multiple professional environments:
- Residential Off-Grid Systems: Power entire homes in remote areas, combining with 48V lithium batteries and solar panels.
- Commercial Backup Power: Protect critical loads in small offices, retail stores, and telecommunications shelters.
- Solar Hybrid Installations: Integrate with grid-tied systems for self-consumption optimization and zero-export modes.
- Industrial Equipment: Run pumps, compressors, and HVAC units in factories requiring 5kW continuous power.
- Mobile & Marine Applications: Suitable for RV, boat, and mobile workshop power systems (with vibration-dampening mounts).
- Agriculture: Power irrigation systems, greenhouses, and livestock ventilation in rural areas.
5. Advantages
Why the SP-5000-48 model outperforms standard inverters in its class:
- True Parallel Scalability: Unlike many 5kw inverters that require complex synchronization, our units plug-and-play parallel without additional hardware.
- Advanced Battery Compatibility: Works seamlessly with lead-acid, gel, AGM, and lithium (LiFePO4) batteries with customizable charging profiles.
- Energy-Saving Mode: Standby power consumption < 5W, reducing battery drain during idle periods.
- Overload & Short Circuit Protection: Multiple layers of safety including temperature, voltage, and current monitoring with automatic shutdown.
- Low Noise Operation: Smart fan control ensures noise levels < 45dB under normal load conditions.
- 5-Year Warranty: Extended coverage with global technical support network.
6. Why Choose Us
As a leading OEM/ODM manufacturer with 15 years of experience in power electronics, we bring unmatched expertise to every 5kw inverter 48v unit:
- Factory-Direct Pricing: No middlemen – you get competitive wholesale rates with volume discounts available.
- Customization Options: Modify voltage, frequency, communication protocols, and enclosure design per your project requirements.
- Rigorous Quality Control: Every unit undergoes 48-hour burn-in testing, thermal cycling, and full-load validation before shipping.
- Global Logistics: Warehouses in China, Germany, and USA ensure fast delivery (7-15 days for most orders).
- Technical Documentation: Comprehensive manuals, CAD drawings, and wiring diagrams provided in English, Spanish, and French.
- After-Sales Support: 24/7 technical hotline + remote troubleshooting via our monitoring platform.
7. FAQ
Q1: Can this 5kw inverter 48v run a 3-ton air conditioner?
Yes, but with considerations. A typical 3-ton AC unit draws ~3.5kW running power but requires 7-9kW surge. Our inverter's 10kW surge capacity handles this, provided your battery bank can deliver 200A+ surge current. We recommend a minimum 200Ah 48V lithium battery for reliable startup.
Q2: How many solar panels can I connect?
The built-in MPPT controller handles up to 6000W PV input. With 400W panels, you can connect up to 15 panels (in 3 strings of 5). Ensure the open-circuit voltage per string does not exceed 130V DC.
Q3: Is the unit compatible with hybrid solar systems?
Absolutely. This 5kw inverter 48v supports three operating modes: 1) Grid-tie with battery backup, 2) Off-grid standalone, and 3) Zero-export mode for net metering compliance. It automatically manages power flow between solar, battery, grid, and loads.
Q4: What battery capacity is recommended?
For optimal performance, we suggest a 48V battery bank with 200Ah to 400Ah capacity. This provides 10-20 kWh of storage, sufficient for overnight loads from a 5kW inverter. For longer autonomy, parallel additional battery modules.
Q5: How do I monitor the system remotely?
Use the optional Wi-Fi dongle (sold separately) to connect to our free monitoring app. View real-time data on power generation, consumption, battery SOC, and receive alerts for faults or low battery via email/SMS.
Q6: What is the difference between this and a standard 5kW inverter?
Most standard inverters operate at 24V or 12V, requiring heavier cables and suffering higher losses. Our 48V architecture reduces current by 50% compared to 24V systems, enabling thinner wiring, higher efficiency, and support for larger battery banks.
Contact our sales team for custom quotations, OEM branding, or bulk orders. Request a sample unit for testing before committing to large-scale procurement.