1200W Hybrid Solar Low Frequency Inverter

The HSI-122 Hybrid Solar Inverter is ideal for high-load, full-house off-grid power supply. It stands out thanks to its high-current PWM solar charging and industry-leading surge power tolerance.

Its upgraded 30A PWM solar charger maximises PV energy intake and, when paired with a 15A AC charger, forms a 45A dual charging system that can rapidly recharge 24V storage batteries, even in continuous cloudy weather. Intelligent charging algorithms adjust voltage thresholds separately for lead-acid and lithium batteries, stopping charging automatically to prevent overcharging and extend battery service life. The unit maintains over 85% transfer efficiency to minimise solar energy waste. Four fully adjustable working modes allow users to switch between mains priority, battery priority, energy-saving mode and unattended automatic operation, fitting all living scenarios.

The HSI-122 Hybrid Solar Inverter's industry-leading surge power capacity strengthens its performance. It provides a steady 1200 W of rated power and has a massive 3600 W surge capacity, enabling it to power multiple high-startup devices such as water pumps and air conditioners simultaneously. The heavy-duty toroidal low-frequency transformer delivers pure sine wave AC with no distortion, and an integrated AVR stabiliser fixes grid voltage fluctuations between 165V and 275V to ensure stable appliance operation. The ultra-fast 8ms UPS transfer ensures there is no interruption when mains power cuts off, and full multi-layer safety circuits protect against overload, short circuits, overvoltage and damage from reverse connections. The front LCD screen displays PV output, battery level and system faults, making daily monitoring and troubleshooting straightforward for home solar users.

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