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SunLife ROYAL 4KW On/Off-Grid Solar Inverter

₨ 120,000 Original price was: ₨ 120,000.₨ 100,000Current price is: ₨ 100,000.
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4kW / 4000W pure sine wave output

Supports On/Off-Grid operation

Built-in MPPT solar charge controller

Solar + AC hybrid charging mode

High PV input voltage up to 500V

Maximum PV array power up to 5200W

Intelligent battery management and 3-stage charging

Fast transfer time ≤10ms for uninterrupted power

LCD display with communication options (USB / RS232 / optional WiFi)

High conversion efficiency up to 98%

Protection against overload, short-circuit, and overheating

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Description

SunLife ROYAL 4KW On/Off-Grid Solar Inverter price in Pakistan – updated 2026

The SL ROYAL 4KW On/Off-Grid Solar Inverter is a versatile, high-performance inverter designed for both grid-tied and off-grid solar systems. It combines pure sine wave inverter technology, intelligent MPPT solar charge controller, and hybrid AC/battery charging in a single robust unit.

With a 4000W output capacity, the SL ROYAL 4KW can power multiple household and office appliances simultaneously. Its hybrid operation allows it to prioritize solar energy while maintaining stable electricity supply from the grid or battery backup. The inverter also supports high PV input voltage and large battery banks, making it ideal for modern residential, commercial, and off-grid solar installations.

Specifications:

Specification SL ROYAL 4KW
Rated Power 4000W / 4000VA
Output Waveform Pure Sine Wave
Output Voltage 230V AC ±5%
Output Frequency 50/60Hz
Battery Voltage 48V DC
Max PV Array Power 5200W
MPPT Voltage Range 120 – 450V DC
Max PV Open Circuit Voltage 500V DC
Max Solar Charging Current 100A
Max AC Charging Current 60A
AC Input Voltage Range 170 – 280V AC
Surge Power 8000VA
Transfer Time ≤10ms
Peak Efficiency Up to 98%
Operating Temperature 0°C – 50°C
Humidity 5% – 95%
Communication Port USB / RS232 / Optional WiFi
Dimensions 500 × 350 × 120 mm
Weight ~12 kg

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