The Huawei SUN2000-5KTL-L1 is a state-of-the-art single-phase solar inverter designed for residential and small commercial solar systems. It blends extremely high efficiency (≈ 98.4 %) with hybrid-ready features, allowing integration with batteries and future expansion. The dual MPPT (maximum power point tracking) design accommodates two independent strings, enabling flexible PV layouts and better performance under shading or mismatch conditions.
With active arc fault protection, smart grid compliance, and built-in communications (WiFi, RS485, optional dongles), this inverter offers both safety and connectivity. It supports plug-and-play battery connection and works seamlessly with Huawei’s LUNA and LG-Chem RESU battery lines. The IP65 rating means it’s built to handle outdoor installations while maintaining durability.
Key Features
5 kW rated AC output power, sufficient for typical household / mid-sized systems.
Dual MPPTs for string flexibility and higher energy harvest under varied conditions.
High maximum efficiency (~98.4 %), and strong European weighted efficiency (~97.8 %) to maximize yield
Battery-ready / hybrid operation, direct compatibility with high-voltage battery systems (e.g. LUNA, LG-Chem)
Wide input voltage range, high DC voltage tolerance (80-600 V DC) for PV inputs; includes startup & operating windows
Comprehensive protections: anti-islanding, arc fault detection, reverse polarity, over / under voltage, surge protection, overtemperature etc
Weatherproof, rugged build: IP65 rated, natural cooling (fanless) for lower maintenance and quiet operation
Built-in communications: LED indicators, WLAN, RS485; optional Smart Dongles (Ethernet / 4G)
Technical Specifications
Rated AC output power: 5,000 W
Maximum apparent power (AC): ~5,000 VA (depending on grid code)
Rated output current: ~25 A (single-phase) depending on nominal voltage (230 V etc.)
Power factor: ±0.8 leading / lagging
Maximum efficiency: ~98.4%
European weighted efficiency: ~97.8%
Maximum input (DC) voltage: 600 V
MPPT voltage range: ~90-560 V
Maximum input current per MPPT: ~12.5 A
Start-up voltage: ~100 V DC
Number of MPPT trackers: 2
Protection rating (IP): IP65
Operating temperature range: –25 °C to +60 °C (with derating above ~45 °C)
Operating altitude: up to 4,000 m (derated above ~2,000 m)
Weight: ~12.0 kg (incl. mounting bracket)
Dimensions: ~365 × 365 × 156 mm (incl. mounting brackets)
The Huawei SUN2000-5KTL-L1 is a top-tier inverter for customers seeking a reliable, high-efficiency single-phase inverter with hybrid capabilities. Its battery readiness, robust protections, and efficient dual MPPT architecture make it well-suited for modern solar + storage systems.
