Solar panel from JA Solar JAM54D40-445/LB (BFR, BIF, DG, Stäubli MC4-EVO2, 300 mm / 400 mm) 445W other

JA Solar Deep blue 4.0 Pro JAM54D40-445/LB Solar Module 445 Watt Black Frame Bifacial Glass-Glass 25 Years Product Warranty

JA SOLAR's n-type bifacial double glass high efficiency Mono module JAM54D40-445/LB comes with Higher power generation better LCOE, N-type with very low LID and Better temperature coefficients

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Performance data

Nominal Power	445 W
Cell type	other
Number of cells	108
Cell Format	n/a
Module efficiency	22,27 %
Power tolerance	0 - 5 watt
Temp. Coeff. of P(max)	-0,30 %/°C
System voltage	1500 V

Packing

Pieces per pallet	36
Pieces per 40	936

Measurements

Length	1762 mm
Width	1134 mm
Frame	30 mm
Weight	22.0 kg

Other features

Frame/Backsheet	black/white
Bifacial	Yes
Module construction	Glass/glass
Cable length + / -	300 mm / 400 mm
Connector Type	Stäubli MC4-EVO2
Snow load	3.600 Pa
Wind load	2.400 Pa

Manufacturer warranty

Product warranty	25 years
Warranty	30 years on 87% of nominal power

Certificates

CE
IEC 61215 - Design Qualification and Type Approval
ISO 14001
ISO 45001
ISO 9001

English

Data Sheet
Guarantee

JA Solar JAM54D40-445/LB – High-Performance Bifacial Module for Rooftop Applications

Product Overview

The JAM54D40-445/LB is a bifacial, double-glass solar module by JA Solar, engineered for high efficiency and long-term performance. With a rated power output of 445 W and bifacial gain of up to 25%, it’s particularly suited for residential and commercial rooftop installations where both durability and yield are key. This module utilizes advanced n-type monocrystalline cells and features black frame aesthetics, offering a balance between design and technical excellence.

Key Features & Benefits

Bifacial Design
Harvests solar energy from both the front and rear sides, increasing total yield by up to 25% depending on installation surface and conditions.
Durable Double-Glass Structure
2.0 mm tempered glass on both sides ensures enhanced protection against environmental stress, including high humidity, salt mist, and ammonia.
Optimized for Low-Light & Temperature
Excellent temperature coefficient and low-light performance improve energy production across a range of conditions.
Compact 54-Cell Format
Ideal for rooftop systems with limited space while maintaining strong power output.
Reliable Connector System
Equipped with Stäubli MC4-EVO2 connectors and 300 mm / 400 mm cables, ensuring a robust, low-resistance electrical connection.

Technical Specifications

Rated Power (Pmax): 445 W
Module Efficiency: 22.5%
Open Circuit Voltage (Voc): 41.94 V
Short Circuit Current (Isc): 13.68 A
MPP Voltage (Vmpp): 35.51 V
MPP Current (Impp): 12.53 A
Power Tolerance: 0 / +5 W
Max System Voltage: 1000 V
Connector Type: Stäubli MC4-EVO2
Cable Length: 300 mm (+) / 400 mm (–)

Environmental & Mechanical Data

Cell Type: Bifacial n-type monocrystalline, 108 half-cells
Glass: Dual 2.0 mm fully tempered
Dimensions: 1762 × 1134 × 30 mm
Weight: 24.0 kg
Frame: Black anodized aluminum
Front Load (Snow): 5400 Pa
Rear Load (Wind): 2400 Pa
Operating Temp. Range: –40 °C to +85 °C
Protection Class: II, IP68-rated junction box

Certifications

IEC 61215, IEC 61730
Salt Mist & Ammonia Resistance
Fire Resistance Class: C
Certified for 25-year linear performance warranty

Why Choose the JAM54D40-445/LB?

This module combines a compact design with robust bifacial and glass-glass architecture, ensuring stable power delivery even under challenging conditions. It’s the ideal solution for installers looking for long-lasting, low-degradation PV modules for rooftop systems where space and aesthetics matter.

Advantages JA Solar Deep blue 4.0 Pro JAM54D40 LB 430-455W

JAM54D40 LB 430-455W Higher power generation, better LCOE, n-type with very lower LID, better temperature coefficients and better low irradiance response.

JA Solar

Powering the Future with Advanced Solar Technology - JA Solar

JA Solar has maintained its position as a leader in high-performance photovoltaic technology by integrating the latest Anti-Dust Single-Glass Module with TOPCon cells for improved efficiency. Recognized with a top AAA rating in PV module bankability, JA Solar’s commitment to quality is evident, with modules designed for durability and optimized energy yield across residential, commercial, and industrial installations.

By consistently achieving "Top Performer" status from PVEL and RETC, JA Solar offers sustainable and high-efficiency solar solutions that support a variety of projects globally, ensuring reliability and reduced environmental impact.