Axpert VM IV 4kW, PV5000

The Triex Axpert VM IV 4kW is a hybrid solar inverter designed for smaller Pakistani homes, apartments, and budget-conscious buyers who want reliable solar backup at a capacity that matches their actual load without paying for excess capacity they do not need. With 4000VA of rated output, 5000W of maximum PV input, and a wide MPPT voltage range of 60V to 450VDC, it handles the standard appliance load of smaller Pakistani families efficiently while keeping electricity bills down through solar-first energy management.

The Axpert VM IV 4kW operates in true hybrid mode, staying connected to K-Electric or WAPDA when available and using solar energy first to power your home and charge the battery. When load shedding starts, it transfers to battery backup in 10ms for personal computers and 20ms for home appliances, keeping devices running without noticeable interruption. When the grid returns, it reconnects automatically without any manual action.

The built-in battery equalizer actively balances cell voltages in lead-acid battery banks during charging, extending battery lifespan and maintaining consistent backup capacity over time. For Pakistani homeowners using lead-acid batteries, this feature adds meaningful extra service life without any additional maintenance effort. The built-in anti-dust kit protects internal components from Pakistan’s dusty urban environment, extending the inverter’s service life in homes near construction zones, main roads, and dusty areas.

Data log event storage inside the inverter maintains a complete record of system events, faults, and performance history for accurate troubleshooting without requiring constant cloud connectivity. Built-in WiFi and USB on-the-go function provide real-time monitoring and data access from your smartphone or directly through USB.

For Pakistani families in Gulshan, Korangi, North Nazimabad, Liaquatabad, and similar areas where daily load shedding runs 6 to 10 hours and system budget is a priority, the Axpert VM IV 4kW delivers proven hybrid performance at the right scale.

Product Description

Key Features

  • 4kW Continuous Output: Handles fans, lights, refrigerator, television, router, and phone charging simultaneously, with capacity for one small inverter AC under controlled load conditions
  • 5000W Maximum PV Input: Accepts up to 5kW of solar panels for reliable daytime generation and steady battery recharging through Pakistan’s long sunny days
  • Wide MPPT Voltage Range: 60V to 450VDC MPPT range starts harvesting solar energy from early morning low-light conditions, maximizing daily solar output
  • Built-In Battery Equalizer: Automatically balances cell voltages in lead-acid battery banks during charging, extending battery lifespan without any manual maintenance
  • 10ms Transfer Time for Computers: Seamless transition from grid to battery keeps computers, routers, and sensitive electronics running without interruption during load shedding
  • Built-In Anti-Dust Kit: Protects internal components from Pakistan’s dusty urban environment, extending inverter service life significantly
  • Data Log Event Storage: Maintains a complete record of system events, faults, and performance history inside the inverter for accurate troubleshooting
  • Built-In WiFi for Mobile Monitoring: Real-time monitoring of solar input, battery status, grid interaction, and load output from your smartphone
  • USB On-The-Go Function: Direct USB data access for system diagnostics, data export, and firmware updates
  • 8000VA Surge Power: Handles short startup spikes from refrigerator compressors and other motor loads without tripping
  • 48V Smart Battery System: Compatible with lead-acid and lithium batteries with BMS communication through USB, RS232, RS485, WiFi, and dry-contact
  • Pure Sine Wave Output: Clean, stable power for sensitive electronics, computers, routers, and home appliances
  • 90% to 93% Peak Efficiency: Reliable conversion efficiency during both grid-tied and battery backup operation
  • Net Metering Compatible: Grid connection supports NEPRA net metering approval for K-Electric and WAPDA areas
  • 2 Plus 2 Years Warranty: Standard warranty with Triex after-sales support across Pakistan

Technical Specifications

Specification Axpert VM IV 4kW
Model PV5000
Rated Power 4000VA / 4000W
Maximum PV Array Power 5000W
MPPT Voltage Range 60VDC to 450VDC
Max PV Array Open Circuit Voltage 500VDC
Max PV Input Current 27A
Max Solar Charge Current 120A
Max AC Charge Current 100A
Max Charge Current 120A
Battery Voltage 24VDC
Floating Charge Voltage 27VDC
Overcharge Protection 33VDC
Surge Power 8000VA
Transfer Time 10ms (PC), 20ms (Home Appliances)
Peak Efficiency 90% to 93%
Output Waveform Pure Sine Wave
Input Voltage 230VAC
Selectable Voltage Range 170 to 280VAC (PC), 90 to 280VAC (Appliances)
Frequency Range 50Hz / 60Hz Auto Sensing
Parallel Function No
Built-In WiFi Yes
Battery Equalizer Yes
Anti-Dust Kit Yes
Data Log Storage Yes
Communication USB, RS232, RS485, WiFi, Dry-contact
Operating Temperature -10°C to 50°C
Humidity 5% to 95% Non-Condensing
Ingress Protection IP21
Dimensions (D x W x H) 119 x 313.6 x 457.5mm
Net Weight 10 kg

Who Should Buy This

The Axpert VM IV 4kW is the right choice for smaller Pakistani homes and apartments in Gulshan, Korangi, North Nazimabad, Liaquatabad, and similar areas where the daily appliance load is moderate and a 6kW inverter would be more capacity than needed.

It is ideal for families running fans, lights, refrigerator, television, and router through daily load shedding of 6 to 10 hours, with the option to run one small inverter AC under controlled load conditions. The battery equalizer makes it well suited for homeowners pairing the inverter with a lead-acid battery bank who want to extend battery life without manual maintenance.

If your home load does not justify a 6kW system and you want a proven hybrid inverter with practical everyday features at a more accessible price point, the Axpert VM IV 4kW is the right choice.


Important Note on Battery System

The Axpert VM IV 4kW uses a 24V battery system. This is different from the 48V system used by larger Triex hybrid inverters. Compatible Triex battery:

  • Triex TXL-24V-100 (25.6V, 2.56kWh, LiFePO4) ✅

Not compatible with 48V batteries including Triex TXL-5.12 and TXL-16.07. Using the wrong battery voltage will damage the system. Always confirm battery voltage compatibility before purchase.


Warranty

2 plus 2 years standard warranty. Contact Triex Solar Team for warranty registration and after-sales support.

Signup our newsletter to get update information, news, insight or promotions.

Shopping Basket

Get a Free
Consultation