SunLife PRO 3.5KW Off-Grid Solar Inverter

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Categories: Off-Grid Inverters, Sunlife Inverters

Description
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Description

SunLife PRO 3.5KW Off-Grid Solar Inverter price in Pakistan – updated 2026

The SL PRO 3.5KW Off-Grid Solar Inverter is a powerful and efficient inverter designed for residential solar energy systems and backup power applications. It integrates a pure sine wave inverter, MPPT solar charge controller, and intelligent battery charger into one compact unit.

With a 3500W output capacity, the inverter can run multiple household appliances simultaneously, including lights, fans, refrigerators, televisions, and small office equipment. The built-in high-efficiency MPPT controller maximizes solar energy production by optimizing the power generated from solar panels.

The inverter supports solar, battery, and utility grid charging, ensuring uninterrupted power supply during load shedding or grid failures. Its high PV input voltage support and advanced protection system make it a reliable solution for modern solar power systems.

Specifications:

Specification	SL PRO 3.5KW
Rated Power	3500W / 3500VA
Output Waveform	Pure Sine Wave
Output Voltage	230V AC ±5%
Output Frequency	50/60Hz
Battery Voltage	24V DC
Surge Power	7000VA
Max PV Array Power	5000W
MPPT Voltage Range	120 – 450V DC
Max PV Open Circuit Voltage	500V DC
Max Charging Current	100A
Max AC Charging Current	60A
AC Input Voltage Range	170–280V (UPS) / 90–280V (Appliances)
Transfer Time	10ms (UPS) / 20ms (Appliances)
Peak Efficiency	Up to 98%
Operating Temperature	0°C – 50°C
Humidity	5% – 95%
Communication Port	USB / RS232
Dimensions	481 × 313 × 117 mm
Weight	~9.8 kg

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Dual / Multiple MPPT Trackers: Increases energy harvesting from solar panels

High PV Input Capacity: Supports large solar arrays for enhanced generation

Smart Connectivity: Wi‑Fi / RS485 / LAN connection support for remote monitoring

Advanced Protection: Built‑in protection against overload, overheating, short circuit and surge

IP65 / IP66 Rating: Weather‑resistant design for outdoor installation

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High Conversion Efficiency (~98.3 %) – Reduces energy losses and boosts system yield.
Module‑Level Monitoring – Works with SolarEdge optimizers for per‑panel performance visibility.
Smart SetApp Commissioning – Quick setup using your smartphone without LCD display.
Advanced Safety Protections – Integrated surge protection, arc fault detection, and anti‑islanding.
IP65 Weatherproof Enclosure – Suitable for rugged outdoor environments.
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Integrated Safety – Rapid shutdown, arc‑fault protection, anti‑islanding, and ground–fault detection.
Easy Smartphone Commissioning – Set up quickly via SolarEdge SetApp.
Compact & Lightweight – Simplified installation with natural convection cooling (fanless).
Durable Weather‑Resistant Design – IP65/NEMA 4X rated for outdoor use.
Remote Monitoring – Real‑time performance via app or web interface.
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Max AC Power: Up to ~66 kVA (slightly above rated).

Advanced MPPT Solar Tracking

MPPT Trackers: 6 independent MPPT channels for maximum energy harvesting.

MPPT Voltage Range: ~180 V – 1000 V DC (wide range for flexible panel configurations).

Max DC Input Voltage: 1100 V DC for larger solar arrays.

High Efficiency

Maximum Conversion Efficiency: ~98.7 % for near‑optimal DC→AC conversion.

Euro Efficiency: ~98.2 % for excellent real‑world performance.

Protection & Safety

IP66 Protection Class: Dust and water‑resistant outdoor‑ready housing.

Type II SPD Surge Protection: On both DC and AC sides.

Anti‑islanding, reverse polarity, leakage & ground‑fault protections.

Grid Compatibility

Nominal AC Voltage: 230/400 V three‑phase.

Frequency: 50 Hz / 60 Hz auto.

Output Voltage Range: ~310 – 480 V AC (according to local grid standards).

Monitoring & Connectivity

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Communication: RS485 / Bluetooth / Wi‑Fi support for remote monitoring (configurable, depending on vendor).

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