Single Phase 4kW Solar Inverter Built-in MPPT Solar Charger for Home Use
Product Overview
The BCT-FXC-4KW is a highly integrated single-phase string solar inverter designed for residential and light commercial applications. It offers flexible switching between grid-tied and off-grid modes, features a built-in MPPT solar charger, and supports both lithium-ion and lead-acid batteries (including battery activation functionality). This product is equipped with dual AC outputs, a removable dust cover and an optional Wi-Fi remote monitoring interface. It is suitable for a variety of applications, including whole-house backup power, supermarket cold chains, communication base stations, RV/camping and construction sites. This solution effectively increases self-consumption rates, safeguards critical loads, and shortens the investment payback period.
key features
BCT-FXC-4KW
All-in-One Solar Inverter Solution
All-in-one solar inverter with MPPT controller, high-frequency pure sine wave output, and UPS, perfect for off-grid backup, self-consumption, and hybrid solar-grid systems.
Compact & High-Performance
Rated at 4kW with a power factor of 1, this lightweight, high-frequency solar inverter delivers reliable power in a small footprint, making installation easy and efficient.
Wide MPPT & Maximum Solar Output
Supports MPPT from 60-450V and up to 500Voc, ensuring optimal solar energy utilization across varying solar conditions.
Flexible Energy Management
Operates seamlessly with or without a battery, enabling versatile solar energy storage or direct grid-tied applications.
Dual AC & Pure Sine Wave
Optional dual AC outputs and pure sine wave AC ensure stable power for sensitive appliances and simultaneous solar and grid power supply.
Smart Connectivity & Monitoring
Supports CAN/RS485 BMS communication and optional WiFi/GPRS for real-time remote monitoring and intelligent energy management.






Application Scenarios
- Small Residential Solar Systems: Ideal for small homes, apartments, and townhouses, offering simple on-grid and off-grid operation for everyday household power needs.
- Cost-Effective Backup Power: Provides an affordable backup power solution during grid outages, supporting essential loads without complex system design.
- Areas with Weak or Unstable Grid: Suitable for regions with frequent power interruptions, enabling reliable solar-based power with optional battery support.
- Starter Solar + Battery Systems: Designed for entry-level solar and battery setups, allowing users to gradually expand their energy system over time.



Technical Specifications

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