LONGi Green Energy Technology Co., Ltd. · Xi'an, Shaanxi
LONGi Hi-MO X6 Scientist LR5-54HTH 455 W Solar Module
54-cell Hi-MO X6 Scientist module with 23.3% efficiency and 455 W output
Overview
The LR5-54HTH is a 54-cell monocrystalline module from LONGi's Hi-MO X6 Scientist line with a 455 W maximum power rating and 23.3% module efficiency at STC. It uses a 3.2 mm coated tempered single glass front, an anodised aluminium alloy frame and a 30 mm frame height. LONGi publishes a 12-year product warranty and a 30-year performance warranty for this module.
Key highlights
- 455 W maximum power (Pmax) at STC with a 0 to +3% power output tolerance
- 23.3% module efficiency on a 1722 x 1134 mm footprint
- 1500 V DC maximum system voltage certified to IEC and UL
- 5400 Pa front-side and 2400 Pa rear-side maximum static mechanical loading
- Pmax temperature coefficient of -0.290%/C for hot-climate yield retention
- Operational temperature range of -40 C to +85 C with 25 mm hailstone at 23 m/s test
Technical parameters
24 published parameters, grouped. Source links are listed under “Data sources”.
Electrical
| Maximum power (Pmax) | 455 W |
|---|---|
| Open circuit voltage (Voc) | 40.13 V |
| Short circuit current (Isc) | 14.52 A |
| Maximum power voltage (Vmpp) | 33.84 V |
| Maximum power current (Impp) | 13.45 A |
| Maximum system voltage | 1500 V DC (IEC/UL) |
| Maximum series fuse rating | 25 A |
| Power output tolerance | 0 to +3% |
Efficiency
| Module efficiency | 23.3% |
|---|
Mechanical
| Dimensions (L x W x H) | 1722 x 1134 x 30 mm |
|---|---|
| Weight | 20.8 kg |
| Frame material | Anodised aluminium alloy |
| Glass type | 3.2 mm coated tempered single glass |
| Front side maximum static loading | 5400 Pa |
| Rear side maximum static loading | 2400 Pa |
Performance
| Temperature coefficient of Pmax | -0.290%/C |
|---|---|
| Temperature coefficient of Voc | -0.230%/C |
| Temperature coefficient of Isc | +0.050%/C |
| Nominal operating cell temperature | 45 +/- 2 C |
| Operational temperature range | -40 C to +85 C |
| Hailstone test | 25 mm hailstone at 23 m/s |
| Protection class | Class II |
Warranty
| Product warranty | 12 years |
|---|---|
| Performance warranty | 30 years |
Applications
- 1Utility-scale ground-mount solar power plants
- 2Commercial and industrial rooftop PV systems
- 3Residential rooftop installations with limited roof area
- 4Distributed generation projects for factories and warehouses
- 5Agrivoltaics and solar carport structures
- 6High-temperature and high-irradiance desert projects
Application video
Manufacturer
LONGi Green Energy Technology Co., Ltd.
Xi'an, Shaanxi · est. 2000 · Private
LONGi is a Chinese monocrystalline silicon solar technology group founded in 2000 and headquartered in Xi'an, Shaanxi. It manufactures mono wafers, cells and modules and sells its Hi-MO series modules to utility, commercial and residential customers worldwide. The company publishes a 12-year product warranty and a 30-year performance warranty for its Hi-MO X6 modules.
Export markets: Europe, Asia-Pacific, Americas, Middle East, Africa
Data sources & verification
Compiled from publicly available sources and last verified on 12 Sept 2026. Specifications can change without notice — confirm with the manufacturer before ordering.
- longi-solar.net https://longi-solar.net/datasheets/en/it/hi-mo-x6-scientist-lr5-54hth-445-455m-30-30-15frame.ht…
- longi-solar.net https://longi-solar.net/datasheets-pdf/hi-mo-x6-scientist-lr5-54hth-445-455m-30-30-15frame.pdf
- longi.com https://www.longi.com/en/contact-us/
