Description
Overview
The KAFI 3.5KW 24V Hybrid Inverter is a compact and efficient solar energy solution designed for small homes, shops, and backup power systems. Combining a space-saving design with high-performance MPPT technology, it delivers stable pure sine wave power while offering flexible load management through multiple priority modes.
Key Features
- 3.5KW Pure Sine Wave output for clean power delivery
- Integrated MPPT Solar Charger supporting up to 4000W PV input
- High energy conversion efficiency of up to 96%
- Lithium battery compatible with specialized PV activation
- Four smart output priority modes: UTL, SOL, SBU, and SUB
- Battery Equalization (EQ) function to optimize and extend battery life
- Durable, anti-shock design with a detachable dust cover for harsh environments
- Optional WiFi monitoring via the Smart ESS App for real-time tracking
Technical Specifications
System Performance
| Specification | Details |
|---|---|
| Rated Power | 3500W / 3500VA |
| Surge Power | 7000VA |
| Max PV Input Power | 4000W |
| Peak Efficiency | 96% (PV to INV) |
AC Input / Output
| Nominal Voltage | 230VAC |
| Output Voltage | 220/230VAC ±5% |
| Voltage Range | 90–280VAC (Appliances) / 170–280VAC (PCs) |
| Transfer Time | 10ms (PCs) / 20ms (Appliances) |
Solar & Battery Charger
| Battery Voltage | 24V DC |
| MPPT Voltage Range | 30V – 500V DC |
| Max PV Open Circuit (Voc) | 500V DC |
| Max Charge Current | 100A (Solar) / 60A (AC) |
Physical & Environment
| Dimensions | 330 × 278 × 98 mm |
| Net Weight | 3.95 kg |
| Operating Temp | -10°C to 55°C |
| Protection Rating | IP21 |
Advanced Energy Management
The KAFI 3.5KW inverter is designed for versatility. It supports four distinct operating modes (UTL, SOL, SBU, SUB) to prioritize energy sources based on your specific needs, whether you want to maximize solar usage or ensure constant uptime through the grid. The integrated Battery EQ function automates the equalization process, preventing battery stratification and significantly extending the lifespan of your storage bank.
Connectivity & Installation
Installation is made simple with its lightweight, wall-mounted chassis. Users can monitor system performance remotely via the optional WiFi module and the Smart ESS App. Its wide MPPT voltage range (30-500V DC) allows for flexible solar panel configurations, making it one of the most adaptable small-scale inverters on the market.
Ideal For
- Small residential homes
- Retail shops and small offices
- Essential load backup (Lights, Fans, Laptops)
- Low-load off-grid applications
Why Choose KAFI?
KAFI Power delivers scalable and intelligent solar energy solutions. The 3.5KW 24V model provides the perfect entry point for those seeking energy independence without the bulk of larger industrial systems, maintaining high-tier features like pure sine wave output and advanced lithium compatibility.





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