JA Solar DeepBlue 4.0 Pro 600 W

JAM72D40-600/MB · DeepBlue 4.0 Pro JAM72D40 MB (n-type double glass bifacial)

TOPConbifacial144 (6x24) half-cell, n-type mono (n-Bycium+, 16BB)

A 600 W TOPCon, bifacial panel, 23.2% efficient, warranted to give 87.4% of its power after 30 years.

Where to buy in Durban

Shops that list this model (or the same series, sizes close to it):

ShopListed asPrice seen
Segen Solar (Durban Service Centre) trade
Briardene
JAM72D-40-600-MB-TS-QC4–listing

Durban shops that stock this brand (ask them for this model): Herholdt's Group (Durban branch) trade.

trade sells to installers; as a homeowner, buy through an installer.

How it compares

Score 63/100, number 7 of 10 models listed here. Each bar shows where this panel sits between the weakest and the best of the 10 on that point.

Efficiency 23.2 %23 of 30 pts
Heat loss (Pmax temp. coeff.) -0.29 %/°C15 of 20 pts
Power guaranteed at the end 87.4 %14 of 20 pts
Yearly degradation 0.4 % a year8 of 10 pts
Product warranty 12 years3 of 15 pts
Salt-mist rated (IEC 61701) not stated0 of 5 pts

Datasheet numbers

Power (STC)600 W
Module efficiency23.2 %
Vmp / Imp44.85 V / 13.38 A
Voc / Isc52.79 V / 14.04 A
Power tolerance0~+3%
Temp. coefficient Pmax / Voc / Isc-0.29 / -0.25 / 0.045 %/°C
NOCT / NMOT45 °C
Cells144 (6x24) half-cell, n-type mono (n-Bycium+, 16BB)
Size2278 x 1134 x 30 mm
Weight31.8 kg
Glass / frameDual glass, 2.0 mm front / 2.0 mm back / 30 mm frame (material not stated on datasheet)
Load front / back5400 Pa / 2400 Pa
Max system voltage / fuse1500 V / 30 A
Product warranty12 years
Power warranty30 years, 87.4 % at the end
Degradation: first year / yearly1 % / 0.4 %
Bifaciality80 %
Salt mist (coastal)Not stated on datasheet. JA's TUV NORD IEC 61701:2020 certificate (test method 8, issued 2023-09-12, valid to 2026-11-11, published by Segen SA) lists JAM72D40/MB only for 540-585 W, so this 600 W class is not listed.
CertificationsIEC 61215, IEC 61730, UL 61215, UL 61730, ISO 9001:2015, ISO 14001:2015, ISO 45001:2018, IEC 62941:2019

Source: maker's datasheet (Global-EN-20250417A (JAM72D40 580-605/MB, 30/28 mm standard frame)), checked 2026-11-06.