20KW Solar Inverter for Lithium Battery

The HX-203 Hybrid Solar Inverter is a powerful off-grid hybrid inverter from our HX Series product line, and the HX-203 Hybrid Solar Inverter is perfectly matched with our self-developed lithium batteries and independent MPPT modules, delivering stable high-power energy conversion with two core competitive functions as its biggest highlights. The first key function is the built-in high-efficiency MPPT solar charging system with outstanding solar energy utilization efficiency. It adopts constant current and floating three-stage charging logic, reaching MPPT efficiency over 96.5% and photovoltaic module conversion efficiency up to 99%. This unit supports a maximum solar input power of 28000W and 100A maximum solar charging current, compatible with PV open circuit voltage up to 650VDC and PV working voltage within 550VDC. It can efficiently charge various batteries including SLA, AGM, gel and lithium iron phosphate batteries we produce, and the 20A AC auxiliary charging current can supplement energy when solar power is insufficient to ensure stable battery replenishment. The second core function is multi-scene intelligent mode control plus ultra-fast seamless switching capacity. The HX-203 is equipped with five switchable working modes, covering AC Input Priority Mode, Battery Priority Mode, ECO Mode, Generator Mode and Unattended Mode, which can intelligently adjust operating strategies according to real-time power status. Its transfer time is limited within 8ms to realize uninterrupted power supply for loads without power interruption. Supported by forced air cooling with intelligent speed regulation, it can run continuously and safely in 0-55°C working temperature and avoid overheating damage under long-term high-load operation. For safety protection, it will trigger automatic shutdown when encountering overload, over-temperature and short-circuit faults, and set dedicated high and low voltage protection thresholds for its 240V DC battery pack to prolong battery service life. In basic performance, the HX-203 has 20kW rated power and 60kW surge peak power to resist instantaneous large current impact, outputs high-quality pure sine wave 220VAC voltage with ±3% precision and 50/60Hz automatic frequency adaptation, with overall conversion efficiency above 85%. It is equipped with an LCD screen for real-time operation data display and RS485 communication interface for remote monitoring. The solid cabinet structure and strict environmental adaptability greatly enhance its durability, making the HX-203 Hybrid Solar Inverter a reliable core device for complete off-grid solar storage systems supplied by our company.

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