The Hinvert HMK-Plus 3.5 kW is a hybrid solar inverter with built-in MPPT solar charge controller designed for residential and small commercial solar systems. It combines a pure sine wave inverter, MPPT solar charger, and AC battery charger in one unit for off-grid or hybrid use. It’s commonly used to power household loads from solar panels, batteries, and grid/generator with automatic switching.

⚡ Key Specifications

Features & Functions

Hybrid Solar + MPPT Charge Controller

• Integrates MPPT solar charge controller to extract maximum power from solar panels.

• Supports solar + grid/generator charging of batteries.

Pure Sine Wave Output

• Delivers clean AC power suitable for sensitive appliances (computers, TVs, etc.).

Automatic Source Switching

• Automatically switches between solar, battery, and mains/generator to supply loads without interruption.

Smart Display & Control

• LCD panel shows system status (voltages, charge current, battery level). Some variants offer Wi-Fi or RS485 monitoring.

Multi-Mode Charging

• Can charge batteries from solar, AC mains, or both depending on settings (solar priority, utility priority, hybrid)

Protection Features

• Overload, short circuit, high/low voltage protection — protects both the inverter and connected loads.

Typical Use Cases

✔ Residential solar systems
✔ Off-grid or hybrid solar installations
✔ Backup power for homes or small offices
✔ Reducing grid energy use and bills