Name: JA Solar JAM54D40 435–460W N-Type Solar Panel
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Key Features

JAM54D40 — DeepBlue 4.0 N-Type Bifacial

A high-performance 435–460W N-type monocrystalline bifacial half-cut solar panel from JA Solar's DeepBlue 4.0 series — delivering up to 22.4% module efficiency, superior low-light performance, and a 30-year linear power warranty for residential and commercial applications.

DeepBlue 4.0

DeepBlue 4.0 N-Type Cell Technology

The JAM54D40 is built on JA Solar's fourth-generation DeepBlue N-type monocrystalline silicon platform. N-type cells are doped with phosphorus rather than boron, eliminating the boron-oxygen defects responsible for light-induced degradation (LID) in P-type cells. The result is a first-year degradation of ≤ 1% and annual degradation of ≤ 0.4% — significantly better than P-type PERC — ensuring the module delivers more energy over its 30-year lifetime and maintains a higher residual value at end of project.

Up to 22.4% Efficiency

Up to 22.4% Module Efficiency

The JAM54D40-460W achieves up to 22.4% module efficiency — among the highest in the 54-cell format — enabled by advanced cell passivation, optimised anti-reflective coating, and multi-busbar interconnection. The bifacial design captures reflected irradiance from the rear surface, adding 5–30% additional energy yield depending on installation type and albedo. Half-cut cell technology reduces resistive losses and improves shade tolerance, ensuring the module continues generating at near-full power even under partial shading conditions.

−0.30%/°C Pmax

Low Temperature Coefficient & Superior Low-Light Response

The N-type cell architecture delivers a temperature coefficient of Pmax at −0.30%/°C — better than standard P-type PERC modules (typically −0.35%/°C). This means the JAM54D40 loses less power on hot summer days, generating more energy over the full year in warm climates. The module also demonstrates superior low-light performance, maintaining a higher percentage of rated power in the morning, evening, and overcast conditions — maximising daily energy harvest across all weather conditions.

30-Year Warranty

Enhanced Mechanical Durability & 30-Year Warranty

The JAM54D40 is certified to withstand 2,400 Pa wind load and 5,400 Pa snow load, and passes IEC 61215 and IEC 61730 reliability testing including damp heat (1,000 hours), thermal cycling (200 cycles), and UV pre-conditioning. JA Solar backs the module with a 12-year product warranty and a 30-year linear power output warranty — guaranteeing ≥ 87.4% of rated power at year 30. As a Bloomberg NEF Tier-1 bankable manufacturer, JA Solar's warranty is backed by the financial strength of one of the world's largest solar companies.

Electrical Specifications

Technical Data — JAM54D40

All electrical parameters measured at Standard Test Conditions (STC): irradiance 1,000 W/m², cell temperature 25°C, AM 1.5G spectrum.

Parameter	JAM54D40-435/GB	JAM54D40-440/GB	JAM54D40-450/GB	JAM54D40-460/GB
STC Electrical Parameters
Rated Power (Pmax)	435 W	440 W	450 W	460 W
Module Efficiency	21.2%	21.4%	21.9%	22.4%
Open Circuit Voltage (Voc)	49.40 V	49.60 V	49.90 V	50.20 V
Short Circuit Current (Isc)	11.22 A	11.28 A	11.44 A	11.60 A
Max Power Voltage (Vmp)	41.40 V	41.60 V	41.90 V	42.20 V
Max Power Current (Imp)	10.51 A	10.58 A	10.74 A	10.90 A
NOCT Electrical Parameters (800 W/m², 20°C, AM 1.5G)
Rated Power (Pmax)	325 W	329 W	336 W	344 W
Open Circuit Voltage (Voc)	47.10 V	47.30 V	47.60 V	47.90 V
Short Circuit Current (Isc)	8.76 A	8.80 A	8.93 A	9.05 A
Temperature Coefficients
Pmax (α)	−0.30% / °C
Voc (β)	−0.27% / °C
Isc (γ)	+0.04% / °C
NOCT	43 ± 2 °C
Mechanical Parameters
Cell Type	N-Type Monocrystalline, Half-Cut, Bifacial
Cell Configuration	54 cells × 2 (half-cut), multi-busbar
Module Dimensions	2094 × 1038 × 30 mm
Weight	≈ 22.5 kg
Front Glass	3.2mm tempered anti-reflective glass
Back Sheet / Glass	White back sheet (GB) / Transparent glass (GBF)
Frame	Anodised aluminium alloy
Junction Box	IP68, 3 bypass diodes
Cable & Connector	4mm² cable, MC4 compatible
Ratings & Certifications
Max System Voltage	1,500 V DC
Max Series Fuse Rating	20 A
Wind Load	2,400 Pa (front & back)
Snow Load	5,400 Pa
Operating Temperature	−40°C ~ +85°C
Certifications	IEC 61215 / IEC 61730 / CE / MCS / TÜV / UL
Product Warranty	12 Years
Power Warranty	30 Years linear (≥ 87.4% at year 30)
Tolerance: 0 / +5W \| Bifacial gain: 5–30% additional rear-side yield \| GB = white back sheet, GBF = transparent glass bifacial

N-Type DeepBlue 4.0

Fourth-generation N-type platform eliminates boron-oxygen LID defects, delivering ≤ 1% first-year and ≤ 0.4%/year degradation for maximum lifetime energy yield.

Up to 22.4% Efficiency

Advanced cell passivation and multi-busbar interconnection deliver up to 22.4% module efficiency — among the highest in the 54-cell half-cut format.

Bifacial 5–30% Rear Gain

Bifacial design captures rear-side reflected irradiance, adding 5–30% additional energy yield depending on installation albedo and mounting height.

Half-Cut Shade Tolerance

Half-cut cells split the module into two independent halves — partial shading of one half does not affect the other, reducing mismatch losses in real-world conditions.

−0.30%/°C Temp. Coeff.

Better than P-type PERC (−0.35%/°C) — less power loss on hot days, more energy in warm climates, and superior low-light performance at dawn and dusk.

IP68 & 1,500V System

IP68-rated junction box with 3 bypass diodes and 1,500V max system voltage enables longer string configurations, reducing BOS costs for large commercial arrays.

Why Choose Aurea Energy?

Bloomberg NEF Tier-1 Manufacturer — JA Solar is one of the world's largest solar manufacturers with 100GW+ cumulative shipments and a proven global track record across 135+ countries.
Up to 22.4% Efficiency — DeepBlue 4.0 N-type technology delivers the highest power density in the 54-cell half-cut format, minimising roof space requirements per kWp installed.
5–30% Bifacial Rear Gain — Among the highest bifacial gain in the industry, particularly effective on ground-mount, carport, and elevated rooftop installations with high albedo surfaces.
Lower Lifetime Degradation — N-type cells degrade ≤ 0.4%/year vs. ≥ 0.55%/year for P-type PERC, generating significantly more energy over the 30-year project lifetime.
1,500V System Compatible — Max system voltage of 1,500V DC enables longer string configurations, reducing BOS costs and inverter input requirements for large commercial arrays.
IEC 61215 / IEC 61730 / CE / MCS / TÜV / UL Certified — Meets all major international standards for grid-connected PV systems across Europe, North America, Australia, and global markets.