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BJ4024 – 4kW Hybrid Solar Inverter
BJ4024 – 4kW Hybrid Solar Inverter BJ4024 – 4kW Hybrid Solar Inverter BJ4024 – 4kW Hybrid Solar Inverter

BJ4024 4kW Hybrid Solar Inverter

  • Series : BJ Series
  • Type : High-Frequency
  • Power Range : 4000W
  • Battery Voltage : 24V DC
  • Payment : T/T,Western Union,Paypal
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The BJ4024 is a high-frequency hybrid solar inverter with a 4kW output, designed for home energy storage and off-grid applications. Featuring an intuitive touch screen, you can easily monitor and adjust system parameters. It supports 24V/48V battery systems, pure sine wave output, and MPPT charging efficiency up to 98%. With fast 10ms transfer and 150% overload protection, it ensures uninterrupted power supply. The BJ4024 supports both grid-tied and off-grid operation, allowing automatic switching to feed excess energy into the grid (grid connection requires user approval). Its compact design and dual PV inputs enable flexible, high-efficiency solar power management, while RS232 and BMS expansion provide seamless integration with lithium battery systems. Ideal for users seeking reliable, scalable, and cost-effective hybrid solar solutions.

Key Features:

  • 4kW output for small to medium residential systems

  • Touch screen interface for clear monitoring and parameter settings

  • Supports 24V/48V battery systems and pure sine wave output

  • MPPT charging efficiency up to 98%

  • Fast 10ms grid/off-grid switching

  • 150% overload protection for 11s

  • Dual PV input for high-current solar charging

  • Supports multiple units for parallel expansion

  • EMI filter for anti-interference, stylish white design

Model
BJ4024
AC Input VoltageAC Input
220V AC/110V AC
Input Voltage Range90-280V±3V AC(Normal Mode) 170V-280V±3V AC(UPS Model) 
Input Frequency50/60Hz±5%
Rated Power
4000W
Output
PV Inverter Output Power6500W
Output Voltage220/230/240VAC±5%
Output Frequency50/60Hz±0.1%
Output WavePure Sine Wave
Transfer Time≤10ms(UPS Model)/≤20ms(INV Model)
Peak Power8000VA
Overload AbilityBattery Model:11s@105%-150% Load  2s@150%-200% Load 400ms@＞200% Load
Battery
Rated Voltage24V DC
Constant Charging(Configurable)28.2V DC
Charging Voltage(Configurable)27V DC
Charger
PV Charging MethodMPPT
Max PV Input Power6500W
MPPT Input Voltage Range60~500V DC
Optimal VMP Range300~400V DC
Max PV Input Voltage500V DC
Max PV Input Current27A
Max PV Charging Current120A
Max AC Charging Current100A
Max Charging Current120A
DispalyLCD InterfaceCan display operating mode/Load/Input/Output
Inerface
RS232Baud Rate 2400
Expansion Slot Communication Inerface
Lithium Battery BMS Communication Card,WiFi/Pitch 2.54mm
Parallel Inerface
Not Support Parallel
Ambient Temperature
Operation Temperature-10℃~50℃
Operating Environment Humidity-10℃~60℃
Storage TemperatureNon Condensing
Noise≤50dB


Digitalized Energy Storage Technology

  • Digital Battery Management System – Optimizes battery performance and longevity

  • AI Algorithm for Maximum Solar Efficiency Tracking – Ensures the highest energy output by adjusting to varying sunlight conditions

GD Series Off Grid Solar Inverter Advantages

All-Round Protection, Total Safety

  • Short Circuit Protection – Safely shuts down during a short circuit

  • High/Low Temperature Protection – Guards against extreme temperatures

  • Voltage Protection – Ensures stable operation despite voltage fluctuations

  • Overload Protection – Prevents damage by reducing overload

  • Overcurrent Protection – Shields the inverter from excess current

  • Reverse Polarity Protection – Avoids damage from incorrect wiring

GD Series Off Grid Solar Inverter Advantages

Lithium Battery Wake-up Function

  • Automatic Lithium Battery Start-up: Powers on seamlessly from the battery.

  • Smart & Safe Charging: Designed for safety and peace of mind.

  • Zero Activation Required: Fully operational for immediate use after charging.

  • Hands-Off Recovery: Automatically detects power restoration, charges, and reboots.

GD-Series-Solar-Inverter Advantages

Operation Under Full Sunlight

Remote Monitoring

  • Supports multiple remote monitoring options, including computer and app access, with the ability to set parameters remotely.


GD-Series-Solar-Inverter Advantages
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