Solar modules

N-type TOPCon and HJT half-cut modules from 420 W to 720 W — residential all-black through to large-format utility units, all IEC 61215 and IEC 61730 certified and in serial production.

IEC 61215 / 61730 PID resistant 5,400 Pa snow load Salt mist & ammonia tested 30-year performance warranty

Series AX-N5

Utility flagship

580 – 605 W · bifacial glass-glass · the workhorse for ground-mount plants.

Series AX-N7

Large format

700 – 720 W · lowest cost per watt for tracker and fixed-tilt utility arrays.

Series AX-H3

HJT premium

460 – 480 W · 24.1 % efficiency and a −0.24 %/°C temperature coefficient.

Series AX-B4

Residential all-black

430 – 450 W · uniform black finish for architecturally sensitive rooftops.

Specifications

Series comparison

Values shown at Standard Test Conditions (STC): 1,000 W/m² irradiance, AM 1.5 spectrum, 25 °C cell temperature. Full datasheets with I-V curves and NMOT data are available on request.

Electrical and mechanical characteristics — APEX module series
Parameter	AX-N5/72H	AX-N7/66H	AX-H3/60H	AX-B4/54H
Recommended application	Utility ground-mount	Utility, large format	Premium C&I	Residential rooftop
Cell technology	N-type TOPCon	N-type TOPCon	HJT	N-type TOPCon
Cell layout	144 (72 × 2)	132 (66 × 2)	120 (60 × 2)	108 (54 × 2)
Power range (Pmax)	580 – 605 W	700 – 720 W	460 – 480 W	430 – 450 W
Module efficiency	22.5 – 23.4 %	22.6 – 23.2 %	23.2 – 24.1 %	21.8 – 22.3 %
Bifaciality factor	80 ± 5 %	80 ± 5 %	90 ± 5 %	70 ± 5 %
Open-circuit voltage (Voc)	54.2 V	55.6 V	41.8 V	40.6 V
Short-circuit current (Isc)	14.10 A	16.80 A	14.30 A	13.90 A
Voltage at Pmax (Vmp)	45.8 V	47.2 V	35.4 V	34.2 V
Current at Pmax (Imp)	13.21 A	15.25 A	13.56 A	13.16 A
Temp. coefficient of Pmax	−0.29 %/°C	−0.29 %/°C	−0.24 %/°C	−0.30 %/°C
Temp. coefficient of Voc	−0.25 %/°C	−0.25 %/°C	−0.22 %/°C	−0.26 %/°C
NMOT	44 ± 2 °C (800 W/m², 20 °C ambient, 1 m/s)
Maximum system voltage	1500 V DC	1500 V DC	1500 V DC	1000 V DC
Maximum series fuse rating	25 A	30 A	25 A	25 A
Dimensions (L × W × H)	2278 × 1134 × 30 mm	2384 × 1303 × 33 mm	1960 × 1134 × 30 mm	1722 × 1134 × 30 mm
Weight	32.5 kg	38.5 kg	28.4 kg	24.0 kg
Front / rear glass	2.0 mm AR coated	2.0 mm AR coated	1.6 mm AR coated	3.2 mm tempered
Frame	Anodised Al, 30 mm	Anodised Al, 33 mm	Anodised Al, 30 mm	Black anodised Al, 30 mm
Mechanical load	5,400 Pa snow load / 2,400 Pa wind load
Connector / junction box	MC4 compatible, IP68 rated, 3 bypass diodes
Product warranty	15 years	15 years	25 years	25 years
Performance warranty	30 yr · 87.4 %	30 yr · 87.4 %	30 yr · 90.3 %	30 yr · 87.4 %

Tolerance: 0 – +5 W on nameplate power, flash-tested and sorted to ±1.5 W bins. All modules are EL inspected on 100 % of output. Datasheets, flash test reports and country-specific certificates are available under "Request a Quote".

Cell technology

Why N-type, and when to specify HJT

Lower degradation

N-type wafers are not exposed to boron-oxygen light-induced degradation, so first-year degradation sits at 1.0 % against 2.0 % for p-type PERC — and annual degradation drops to 0.4 % for the next 29 years.

Better temperature behaviour

A −0.29 %/°C power coefficient means roughly 1.5 % more annual yield than p-type in hot climates. For desert and tropical projects this alone often justifies the price difference.

Choose HJT for heat and bifaciality

Where ambient temperatures exceed 35 °C or the installation is highly bifacial — elevated racking, white membrane roofs, snow albedo — the HJT series returns the highest energy yield per installed watt.

Warranty

Backed by a 30-year performance guarantee

Our performance warranty is issued by APEX Export and reinsured with a third-party underwriter — so the guarantee survives us, which is the only version of a solar warranty that matters to a 30-year project.

Product warranty — 15 years on utility series, 25 years on HJT and residential series against materials and workmanship defects.
Performance warranty — no more than 1.0 % degradation in year one and 0.4 % per year thereafter, floor at 87.4 % of nameplate after 30 years.
Reinsurance certificate — issued on request, naming the project and the beneficiary.

Year 1 degradation cap: 1.0 %
Annual degradation, years 2–30: 0.40 %
Guaranteed output, year 30: ≥ 87.4 %
HJT guaranteed output, year 30: ≥ 90.3 %
Claim process: Remote assessment · 10 working days
Underwriter: Third-party, certificate on request

Next step

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