Description

Overview

The Kafi K-4200W 24V Hybrid Inverter is an intelligent energy solution tailored for small homes, shops, and essential backup systems. Designed for efficiency in a compact form factor, it features integrated MPPT technology and seamless lithium battery compatibility. Whether you are looking to go off-grid or ensure power continuity during outages, this inverter provides reliable pure sine wave output for your sensitive electronics.

Key Features

• 4200W Pure Sine Wave output for stable and clean power
• Built-in 100A MPPT solar charger to maximize energy harvest
• Dual output functionality for intelligent load management
• Lithium battery activation via PV or utility power
• Advanced LiFePO₄ compatibility with RS485 communication
• Integrated WiFi for convenient remote monitoring via Smart ESS App
• Flexible operation modes: works with or without a battery bank
• Space-saving, wall-mounted design for easy installation

Technical Specifications

System Overview

AC Input / Output

Battery & Solar Charger

Physical & Environment

Performance Details

The K-4200W is optimized for high-efficiency energy conversion, reaching up to 96% efficiency. With a robust surge capability of 8400VA, it easily handles the initial startup current of motorized appliances, while the pure sine wave output ensures your laptops, routers, and smart devices run without interference.

Battery & Charging Information

This 24V system is built for the modern era, supporting LiFePO₄ batteries through dedicated RS485 communication. The inverter can “wake up” lithium batteries via solar or utility power even after a deep discharge, and uses a CC/CV charging method to maximize battery lifespan.

Physical Specifications

With a weight of only 8.5kg and a slim wall-mounted profile, the K-4200W fits perfectly in tight spaces. Its IP21 rating provides protection for indoor installations, and the smart cooling system keeps the unit running optimally across a wide temperature range from -10°C to 50°C.

Connectivity & Smart Features

• Built-in WiFi for real-time data access
• Full compatibility with the Smart ESS App for mobile monitoring
• Dual output management for prioritizing critical loads
• Auto-sensing frequency for seamless grid integration

Environmental Conditions

The inverter is designed to operate reliably in varied climates, maintaining performance in humidity levels up to 95% (non-condensing). Its wide AC input range (90–280VAC) ensures stability even in areas with fluctuating grid quality.

Why Choose Kafi?

Kafi delivers sophisticated energy management in a user-friendly package. The 4200W model is the perfect entry point for residential solar, offering premium features like battery-less operation and lithium BMS integration at a scale that makes sense for smaller applications.