LONGi Solar Hi-MO X6 Explorer LR5-66HTH 520W

Solar PanelsModel LR5-66HTH-520W

LONGi Hi-MO X6 Explorer LR5-66HTH 520W

Discover the LONGi Hi-MO X6 Explorer LR5-66HTH 520W solar panel with high efficiency and 520W power output.

  • Maximum Power (Pmax): 520W
  • Open Circuit Voltage (Voc): 48.47V

Choose the Maximum Power (Pmax)

What sets the LR5-66HTH-520W apart from the other 4 models in the family: Maximum Power (Pmax) 520W; Open Circuit Voltage (Voc) 48.47V; Short Circuit Current (Isc) 13.84A; Maximum Power Voltage (Vmpp) 39.91V; Maximum Power Current (Impp) 13.03A; Module Efficiency 21.9%.

AED 276incl. VAT

In stock

  • Delivered within 3 business days, door to door, to every market we serve.
  • Dispatched the same business day for an order placed before 21:00 (Dubai time), or the next business day after.
  • Delivery charge: AED 135
  • 12-year warranty
Full SpecificationsDownload datasheet (PDF)

LONGi Hi-MO X6 Explorer LR5-66HTH 520W features

  • Suitable for Distribution Market

  • Simple design embodies modern style

  • Better energy generation performance

  • High-quality module guarantees long-term reliability

  • 22.7% Max Module Efficiency

  • 0~3% Power Tolerance

  • <1.5% First Year Power Degradation

  • 0.40% Year 2-25 Power Degradation

About the LONGi Hi-MO X6 Explorer LR5-66HTH 520W

The LONGi Hi-MO X6 Explorer LR5-66HTH 520W is a Hi-MO X6 Explorer solar panel engineered for residential rooftop installations, delivering a maximum power output of 520W at 21.9% module efficiency. Under standard test conditions it produces an open-circuit voltage (Voc) of 48.47V, a short-circuit current (Isc) of 13.84A, a voltage at maximum power (Vmp) of 39.91V and a current at maximum power (Imp) of 13.03A. The panel measures 2094×1134×35mm and weighs 26.6kg, with an Anodized aluminum alloy frame and Single glass, 3.2mm coated tempered glass. It operates across -40°C to +85°C, with a nominal operating cell temperature of 45±2°C, a maximum system voltage of DC1500V (IEC/UL) and a maximum series fuse rating of 25A. It withstands a front-side static load of 5400Pa and a rear-side static load of 2400Pa, with a Pmax temperature coefficient of -0.290%/°C, a Voc coefficient of -0.230%/°C and an Isc coefficient of +0.050%/°C. The Hi-MO X6 Explorer LR5-66HTH 520W is certified by IEC 61215, IEC 61730, UL 61730, ISO9001:2015, ISO14001:2015, ISO45001:2018 and IEC62941 and is backed by a 12-year product warranty and a 30-year performance warranty from LONGi Solar.

Specifications last updated 25 March 2026

LONGi Hi-MO X6 Explorer LR5-66HTH 520W full specifications

Environmental(13)

Temperature Coefficient of Isc+0.050%/°C
Temperature Coefficient of Voc-0.230%/°C
Temperature Coefficient of Pmax-0.290%/°C
Front Side Maximum Static Loading5400Pa
Rear Side Maximum Static Loading2400Pa
Hailstone Test25mm Hailstone at the speed of 23m/s
Operational Temperature-40°C to +85°C
Power Output Tolerance0~+3%
Maximum System VoltageDC1500V (IEC/UL)
Maximum Series Fuse Rating25A
Nominal Operating Cell Temperature45±2°C
Protection ClassClass II
Fire RatingUL Type 1 or 2, IEC Class C

Electrical(6)

Maximum Power (Pmax)520W
Open Circuit Voltage (Voc)48.47V
Short Circuit Current (Isc)13.84A
Maximum Power Voltage (Vmpp)39.91V
Maximum Power Current (Impp)13.03A
Module Efficiency21.9%

Mechanical(4)

Dimensions (L×W×H)2094×1134×35mm
Weight26.6kg
Frame MaterialAnodized aluminum alloy frame
GlassSingle glass, 3.2mm coated tempered glass

Certifications(7)

  • IEC 61215
  • IEC 61730
  • UL 61730
  • ISO9001:2015
  • ISO14001:2015
  • ISO45001:2018
  • IEC62941

Downloads & support

PDFThe manufacturer's sheet, to print or share

Frequently Asked Questions

What is the maximum power output and efficiency of the LONGi Hi-MO X6 Explorer LR5-66HTH 520W?

The LONGi Hi-MO X6 Explorer LR5-66HTH 520W has a maximum power output of 520W and a module efficiency of 21.9%.

What are the electrical specifications (Voc, Isc, Vmp, Imp) of the Hi-MO X6 Explorer LR5-66HTH 520W?

The Hi-MO X6 Explorer LR5-66HTH 520W has an open-circuit voltage (Voc) of 48.47V, a short-circuit current (Isc) of 13.84A, a voltage at maximum power (Vmp) of 39.91V and a current at maximum power (Imp) of 13.03A.

What are the physical dimensions and weight of the Hi-MO X6 Explorer LR5-66HTH 520W?

The Hi-MO X6 Explorer LR5-66HTH 520W measures 2094×1134×35mm and weighs 26.6kg.

What static loading can the Hi-MO X6 Explorer LR5-66HTH 520W withstand?

The Hi-MO X6 Explorer LR5-66HTH 520W withstands a front-side maximum static load of 5400Pa and a rear-side maximum static load of 2400Pa.

How does the Hi-MO X6 Explorer LR5-66HTH 520W perform across temperature changes?

The Hi-MO X6 Explorer LR5-66HTH 520W has a Pmax temperature coefficient of -0.290%/°C, a Voc coefficient of -0.230%/°C and an Isc coefficient of +0.050%/°C.

What is the maximum system voltage and fuse rating of the Hi-MO X6 Explorer LR5-66HTH 520W?

The Hi-MO X6 Explorer LR5-66HTH 520W has a maximum system voltage of DC1500V (IEC/UL) and a maximum series fuse rating of 25A.

What certifications does the Hi-MO X6 Explorer LR5-66HTH 520W have?

The Hi-MO X6 Explorer LR5-66HTH 520W is certified by IEC 61215, IEC 61730, UL 61730, ISO9001:2015, ISO14001:2015, ISO45001:2018 and IEC62941, meeting recognised international standards for safety and performance.

What warranty coverage is available for the Hi-MO X6 Explorer LR5-66HTH 520W?

The Hi-MO X6 Explorer LR5-66HTH 520W is backed by a 12-year product warranty and a 30-year performance warranty from LONGi Solar.

What frame and glass does the Hi-MO X6 Explorer LR5-66HTH 520W use?

The Hi-MO X6 Explorer LR5-66HTH 520W uses an Anodized aluminum alloy frame and Single glass, 3.2mm coated tempered glass.

What is the operating temperature range of the Hi-MO X6 Explorer LR5-66HTH 520W?

The Hi-MO X6 Explorer LR5-66HTH 520W operates across -40°C to +85°C, with a nominal operating cell temperature of 45±2°C.

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