---
title: "LONGI HI-MO 6 LR5-54HTH420-440M Half Cell Black Frame Solar Panel"
description: "LONGI HI-MO 6 LR5-54HTH420-440M half-cell black frame solar panel: 420-440W, 22.8-23.3% efficiency, 108 half-cells, IP68 junction box, 25-year warranty. Ideal for distributed solar."
url: https://factorysea.com/product/longi-hi-mo-6-lr5-54hth420-440m-half-cell-black-frame-solar-panel/
date: 2026-07-31
modified: 2026-07-31
author: "FactorySea"
image: https://img.factorysea.com/2026/07/29045058/longi-hi-mo-6-lr5-54hth420-440m-half-cell-black-frame-solar-panel.jpg
type: product
lang: en
product_type: simple
currency: CNY
availability: instock
---

# LONGI HI-MO 6 LR5-54HTH420-440M Half Cell Black Frame Solar Panel

## Product Overview

The LONGI HI-MO 6 LR5-54HTH420-440M is a half-cell monocrystalline solar panel from the HI-MO 6 Explorer series. Designed for the distribution market, this black-frame module combines a simple, modern appearance with reliable energy generation performance.

## Key Features

- Half-cell technology with 108 cells in a 6×18 arrangement
- 182mm x 182mm monocrystalline cells
- Power output from 420W to 440W
- Panel efficiency from 22.8% to 23.3%
- Anodized aluminum alloy black frame
- IP68 rated junction box
- Cables and plug connectors
- 25-year warranty

## Applications

This solar panel is suitable for residential and commercial rooftop installations, distributed solar projects, and other grid-connected photovoltaic systems.

## Specifications

| Brand | LONGi |
| --- | --- |
| Model | LR5-54HTH 420~440M |
| Series | HI-MO 6 Explorer |
| Type | Half Cell |
| Cell Size | 182mm x 182mm |
| Cell Orientation | 108 (6×18) |
| Power Range | 420-440W |
| Panel Efficiency | 22.8-23.3% |
| Dimensions | 1722 x 1134 x 30mm |
| Weight | 20.8 kg |
| Frame | Anodized Aluminum Alloy |
| Junction Box | IP68 Rated |
| Connector | Cables and plug connectors |
| Certificates | CE / TUV / ETL |
| Warranty | 25 Years |
| Place of Origin | Zhejiang, China |
| OEM | Customized solar panel available |

Contact the seller for current stock, pricing, and customized OEM options.