JA Solar JAM66D45-615LB 615W Bifacial Solar Panel

About This Product

The JA Solar JAM66D45-615LB 615W Bifacial Solar Panel is a high-output monocrystalline solar module designed for commercial, industrial, and large-scale solar installations. This JA Solar D45 series panel uses 132 half-cut cells and a bifacial design to generate electricity from sunlight reaching both the front and rear surfaces. It features a silver aluminum frame, transparent rear construction, and a 1500V DC maximum system voltage rating. The module is designed for professional installation in grid-connected solar arrays using compatible mounting systems, inverters, and electrical protection equipment.

Who This Product Suits

The JA Solar JAM66D45-615LB is suited to commercial rooftops, ground-mounted arrays, agricultural facilities, and utility-scale solar projects where high-output modules are required. Its bifacial construction is particularly useful for installations with suitable rear-side light exposure, such as elevated ground mounts or reflective surfaces. The 1500V DC system rating makes it suitable for compatible commercial string inverter designs. Installers should verify module electrical characteristics, structural loading, mounting compatibility, and NEC requirements before finalizing system design.

Specifications Explained

• 615W Rated Output: Nameplate DC power rating under standard test conditions, used for solar array sizing and energy production estimates.
• 132 Half-Cut Monocrystalline Cells: Half-cell module architecture designed to support efficient power generation and reduce internal electrical losses.
• Bifacial Construction: Allows the rear surface to collect reflected and scattered sunlight, potentially increasing energy production depending on mounting height, ground reflectivity, and installation conditions.
• 1500V DC Maximum System Voltage: Supports use in appropriately engineered high-voltage DC solar arrays, subject to NEC string voltage calculations and equipment ratings.
• Silver Frame and Transparent Rear Construction: Provides a framed module configuration suitable for compatible commercial mounting systems.
• MC4-EVO2 Connectors: Factory-supplied connectors for DC module connections. Mating connectors must be approved as compatible and installed according to manufacturer instructions and applicable NEC requirements.
• 12-Year Manufacturer Warranty: Manufacturer warranty coverage subject to JA Solar’s applicable warranty terms.
• 30-Year Linear Performance Warranty: Published performance terms specify 1% first-year degradation followed by a maximum annual degradation rate of 0.40%, corresponding to 87.4% warranted output after 30 years.

Summary

The JA Solar JAM66D45-615LB 615W Bifacial Solar Panel provides a high-output option for commercial and large-scale PV installations. Its 132 half-cut monocrystalline cells, bifacial energy collection, and 1500V DC system compatibility make it suitable for professionally engineered solar arrays. With a 12-year manufacturer warranty and published 30-year linear performance warranty, this JA Solar module is a practical choice for projects requiring high-capacity solar generation and long-term performance coverage.

Further Information From The Manufacturer

This product is in the process of transitioning to the SKU: JA Solar : JA-JAM66-D45-620LB ***Closeout Policy Applies To This Item*** JA 615w D45 Series Bifacial, 132 half cell module: silver frame, Glass Backsheet, QC 4.10-351 / MC4 Connectors ***This item is not eligible for return/refund*** This product is supplied with MC4-EVO2 connectors.

Specifications

About JA Solar

JA Solar is a major global photovoltaic manufacturer known for vertically integrated production and large-scale supply into residential, commercial and utility markets. The brand has built a strong reputation around consistent module quality, bankability and broad product availability.

JA Solar panels are widely used in the U.S. market because they offer a practical balance of performance, scale and installer familiarity. Their module lineup typically emphasises efficient cell technology, dependable output and competitive project economics.