MUST 4kW 24V Off-Grid Inverter 100A MPPT WiFi – PV18-4024 PREM
MUST 4kW 24V Off-Grid Inverter with 100A MPPT & WiFi – PV18-4024 PREM
The MUST 4kW inverter is a smart and efficient 24V off-grid solar inverter designed for homes, backup power systems and small business installations in South Africa. It combines a 4000W pure sine wave inverter, built-in 100A MPPT solar charge controller and battery charger in one compact unit, making it ideal for customers searching for a 4kW inverter South Africa, MUST inverter, off-grid inverter, 24V inverter or solar inverter for sale. MUST confirms the PV1800 PREM series supports pure sine wave output, MPPT solar charging, battery-free operation, dual output, Wi-Fi monitoring and lithium BMS communication via CAN.
Its smart LCD interface, dual AC outputs and communication ports make it suitable for modern solar systems where flexible monitoring and energy management are important.
Key Features
4kW / 4000W off-grid inverter
24V battery system
Pure sine wave output
Built-in 100A MPPT solar charge controller
High-voltage PV input
Can operate without a battery
Dual AC outputs for smart load management
Built-in Wi-Fi remote monitoring
Bluetooth connectivity
Lithium battery BMS communication via CAN
USB, RS485 and CAN communication
Smart LCD display
Cold-start function
Overload, short-circuit and deep-discharge protection
Suitable for home solar, backup power and off-grid systems.
Technical Specifications
Specification | Details |
Brand | MUST |
Model | PV18-4024 PREM |
Series | PV1800 PREM |
Inverter Type | Off-Grid / Hybrid Solar Inverter |
Rated Power | 4,000W |
Battery Voltage | 24V DC |
Output Waveform | Pure Sine Wave |
Solar Charge Controller | Built-in MPPT |
Max. Solar Charge Current | 100A |
PV Open-Circuit Voltage | Up to 400V / 450V depending on configuration |
Battery-Free Operation | Yes |
Dual AC Output | Yes |
Lithium BMS Communication | CAN |
Monitoring | Wi-Fi / Bluetooth |
Communication Ports | USB / RS485 / CAN |
Display | Smart LCD |
Cold Start | Yes |
Protection | Overload / Short Circuit / Deep Discharge |
The official MUST PV1800 PREM series is designed as a multi-function inverter/charger combining inverter, MPPT solar charger and battery charger functions, with support for battery-free operation and built-in Wi-Fi monitoring.
MUST 4kW Inverter South Africa
The MUST PV18-4024 PREM 4kW inverter is ideal for customers looking for a flexible solar inverter in South Africa for everyday backup power and off-grid applications. Its 24V battery architecture, 100A MPPT charging and lithium battery communication make it suitable for pairing with compatible lithium or lead-acid battery systems.
Shop the MUST 4kW inverter in South Africa from Lekker Volt for a reliable solar, battery and backup power solution.
