FI-502 | 5KW Pure Sine Wave Power Inverter
Reliable Backup. Smarter Energy.

The FI-502 is a 5KW pure sine wave inverter designed for users who seek a solid, long-lasting backup power solution for their home or business. Built with a robust toroidal transformer and high overload capacity, this inverter stands out for its stability and performance in critical applications.

Thanks to its high surge tolerance-up to three times its rated power-it handles sudden start-ups of large appliances like air conditioners, power tools, or refrigerators with ease. Whether you're dealing with frequent blackouts or setting up a solar-powered system in an off-grid cabin, the FI-502 is built to keep your power consistent and safe.

Battery Friendly, System Ready
This model supports a wide range of battery chemistries including SLA, AGM, GEL, Lithium-ion, and LiFePO4. With enhanced overcharge protection and intelligent charging current control, it ensures your batteries are used efficiently while extending their lifespan. You get the freedom to build a power system that fits your needs-whether for daily use or emergency backup.

Smooth, Safe, and Silent Operation
The pure sine wave output ensures compatibility with all sensitive electronics. No buzzing, no risk-just smooth operation for your computers, medical equipment, entertainment systems, and more. It comes with automatic 50/60Hz frequency recognition, so you don't need to worry about mismatched appliances or regional setups.

Rugged Design, Flexible Use
Dust, humidity, or voltage fluctuations won't stand in its way. The FI-502 is engineered with environmental resilience in mind, making it ideal for outdoor systems, farms, rural households, or workshop setups. Its efficient cooling and solid-state design contribute to longer service life with minimal maintenance.

For individuals and small business owners looking to invest in reliable solar inverter tech, the FI-502 offers a future-proof choice that balances affordability, durability, and functionality.