Longi Hi-Mo X10 HVB 480W All Black Mono

LONGi Hi-Mo X10 HVB 480W All Black Mono Solar Panel

The LONGi Hi-Mo X10 HVB 480W (LR7-54HVB-480M) is a premium all-black monocrystalline solar panel built on LONGi's next-generation HPBC 2.0 (Hybrid Passivated Back Contact, Generation 2) cell technology. Independently developed by LONGi, HPBC 2.0 represents a significant generational leap in back-contact cell design — eliminating front-side grid lines entirely for a sleek, uniform appearance while delivering up to 23.3% module efficiency .

Part of the Hi-MO X10 range — LONGi's flagship distributed market product — this panel is engineered for installers and homeowners who demand the very best in performance, reliability, and aesthetics.

Key Features

480W Peak Output — High-output 54-cell format ideal for maximising generation on space-constrained residential rooftops

HPBC 2.0 Technology — Next-generation back contact cell architecture with zero front-side busbars, comprehensive optimisation of cell substrates, hybrid passivation, and enhanced process technologies

23.3% Module Efficiency — Industry-leading performance per square metre, significantly outperforming conventional TOPCon panels

All-Black Design — Full black frame, cells, and backsheet for a sleek, seamless rooftop appearance — ideal for architecturally sensitive or premium residential projects

Superior Low-Light Performance — Advanced cell architecture delivers consistent energy output even under cloudy or low-irradiance UK conditions

High Mechanical Resilience — Rated to 5400Pa front / 2400Pa rear static load — engineered for extreme weather including heavy snow and high wind

Low Annual Degradation — Designed for long-term stable output with less than 2% first-year degradation

Technical Specifications

Peak Power (Pmax): 480W

Module Efficiency: Up to 23.3%

Cell Technology: HPBC 2.0 N-Type Monocrystalline

Cells: 54 Half-Cut Back Contact

Dimensions: 1800mm × 1134mm × 35mm

Weight: 21.5kg

Frame: Black Anodised Aluminium

Product Warranty: 15 years

Linear Output Warranty: 30 years

Product Code: LR7-54HVB-480M

Suitable Applications

• Premium residential rooftop installations where aesthetics and performance are both priorities