1400W 24V Modified Sine Wave Inverter With Charger Dual Voltage Power Inverter for Off-Grid Solar Backup

The SDA-D4000AL is a heavy-duty dual-voltage modified sine wave inverter engineered to match worldwide AC grid standards. It converts 24V direct current from battery banks into switchable 110V or 220V alternating current, supporting both 50Hz and 60Hz frequency output. Adopting optimized soft-start circuitry paired with MCU intelligent power management, it effectively suppresses startup surge current for inductive loads. With 1200W continuous power and 2400W surge capacity, it is well-suited for medium-load off-grid solar systems, residential power outage backup, RV power setups, and field work power supply.

1. Modified sine wave output delivers steady power supply, compatible with a wide range of household appliances and medium-power electrical tools.
2. Equipped with an intelligent thermal-controlled silent cooling fan and low no-load current consumption, maintaining stable operation with low noise.
3. MCU smart control algorithm boosts energy conversion, achieving conversion efficiency exceeding 85%.
4. Supports auto power-on function, suitable for unattended continuous running in fixed solar off-grid systems.
5. Digital LED panel offers real-time readouts of output wattage and battery remaining state for easy monitoring.
6. Multi-layer low-battery protection: buzzer alert, indicator reminder, and automatic shutdown; reset by power switch after battery voltage recovers.
7. Built-in overload and short-circuit lockout protection: output is cut off immediately once a fault is detected and an alarm signal triggers; restart after troubleshooting.
8. Dual AC voltage selectable: 110V / 220V switchable output, adaptable to North America, Latin America, Southeast Asia, and other regional power specifications.
9. Integrated DC 5V 1A USB port, convenient for charging smartphones, tablets, and other portable electronics directly.
10. Wide 21V–30V DC input window, matched with dedicated low-voltage alarm and shutdown thresholds for 24V battery packs.

As a leading manufacturer with extensive experience in the solar photovoltaic industry, our company specializes in producing high-quality equipment such as solar inverters, AGM/GEL battery charging systems, and advanced charge controllers. Choosing Sunchonglic-branded products guarantees reliable and efficient performance for your energy needs.

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