Description
Overview
The Kafi K-5000W 48V Hybrid Inverter is engineered for modern residential and light commercial systems that require higher efficiency and robust energy stability. By utilizing a 48V architecture, this system minimizes energy loss and maximizes performance. With advanced MPPT technology and a high-capacity solar input, it serves as the perfect cornerstone for a reliable, smart energy ecosystem.
Key Features
- 5000W Pure Sine Wave output for high-demand household appliances
- Built-in 100A MPPT solar charger with 6000W PV input capacity
- Dual output load management for prioritizing essential devices
- Lithium battery “cold start” activation via PV or utility grid
- Full LiFePO₄ battery compatibility with dedicated RS485 communication
- Integrated WiFi system for real-time monitoring via the Smart ESS App
- Flexible design: operates seamlessly with or without a battery bank
- High efficiency up to 96% for minimal energy waste
Technical Specifications
System Overview
| Specification | Details |
|---|---|
| Phase | Single Phase |
| Rated Power | 5000W / 5000VA |
| Max PV Input Power | 6000W |
| Parallel Capability | No |
AC Input / Output
| Nominal Voltage | 230VAC |
| Output Voltage | 220/230VAC ±5% |
| Surge Power | 10000VA |
| Transfer Time | 10ms (PCs) / 20ms (Appliances) |
| Efficiency | Up to 96% |
Battery & Solar Charger
| Battery Voltage | 48V DC |
| Max Solar Charge Current | 100A |
| PV Voltage Range | 60V – 500V DC |
| Max PV Open Circuit (Voc) | 500V DC |
| Max AC Charge Current | 60A |
Physical & Environment
| Dimensions | 312.4 × 350 × 114.5 mm |
| Weight | 8.5 kg |
| Communication | RS485 / RS232 / WiFi |
| Protection Rating | IP21 |
Performance Details
The K-5000W is built to handle heavy residential loads with ease. Featuring a surge power capacity of 10000VA, it provides the necessary “kick” to start up large appliances like refrigerators or pumps. The pure sine wave output ensures that even sensitive medical or office equipment operates smoothly without electrical noise or interference.
Battery & Charging Information
Optimized for high-voltage 48V battery systems, this inverter is fully compatible with modern LiFePO₄ (Lithium Iron Phosphate) setups. The integrated BMS communication ensures balanced charging and longevity, while the CC/CV charging profile maintains battery health throughout its lifecycle.
Physical Specifications
Despite its 5000W power rating, the unit maintains a lightweight (8.5kg) and slim profile for easy wall-mounted installation. The IP21 rating makes it suitable for indoor environments, supported by a smart cooling system that keeps internal components within safe operating temperatures.
Connectivity & Smart Features
- Built-in WiFi for global remote access
- Full support for Smart ESS App monitoring and settings adjustment
- Advanced dual output control for intelligent load shedding
- Auto-recovery and auto-sensing features for zero-touch operation
Environmental Conditions
Designed for resilience, the inverter operates flawlessly in temperatures ranging from -10°C to 50°C. It is built to withstand high humidity environments (up to 95% non-condensing), ensuring it remains a reliable power source in diverse geographical locations.
Why Choose Kafi?
Kafi combines industrial-grade performance with residential ease of use. The K-5000W is the ideal choice for families and medium-sized offices looking for a significant energy upgrade, offering high PV input limits and smart management features that put you in complete control of your energy costs.





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