Find replacement for AXITEC AC-450TGBL/108BB

450 W TOPCon solar panel with 108 cells. Voc 39.98 V · Isc 14.25 A · TcVoc -0.26%/°C.

Original Panel

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Same technology onlyShow only panels with matching cell technology

Compatible Replacements

183 panels found · 3517 panels excluded

AXITEC AC-450TGBL/108WB

450 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.98 V	0.0%
Vmpp	33.24 V	33.24 V	0.0%
Isc	14.25 A	14.25 A	0.0%
Impp	13.54 A	13.54 A	0.0%
TcVoc	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C
TcPmax	-0.31 %/°C	-0.31 %/°C	±0.000 %/°C

AXITEC AC-445TGBL/108WB

445 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.7 V	0.7%
Vmpp	33.24 V	32.99 V	0.8%
Isc	14.25 A	14.19 A	0.4%
Impp	13.54 A	13.49 A	0.4%
TcVoc	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C
TcPmax	-0.31 %/°C	-0.31 %/°C	±0.000 %/°C

AXITEC AC-455TGBL/108WB

455 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	40.28 V	0.8%
Vmpp	33.24 V	33.41 V	0.5%
Isc	14.25 A	14.31 A	0.4%
Impp	13.54 A	13.62 A	0.6%
TcVoc	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C
TcPmax	-0.31 %/°C	-0.31 %/°C	±0.000 %/°C

AXITEC AC-445TGBL/108BB

445 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.7 V	0.7%
Vmpp	33.24 V	32.99 V	0.8%
Isc	14.25 A	14.19 A	0.4%
Impp	13.54 A	13.49 A	0.4%
TcVoc	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C
TcPmax	-0.31 %/°C	-0.31 %/°C	±0.000 %/°C

AXITEC AC-455TGBL/108BB

455 W

TOPCon

87Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	40.28 V	0.8%
Vmpp	33.24 V	33.41 V	0.5%
Isc	14.25 A	14.31 A	0.4%
Impp	13.54 A	13.62 A	0.6%
TcVoc	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C
TcPmax	-0.31 %/°C	-0.31 %/°C	±0.000 %/°C

Ulica Solar UL-455M-108BDGN

455 W

TOPCon

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.98 V	0.0%
Vmpp	33.24 V	33.42 V	0.5%
Isc	14.25 A	14.45 A	1.4%
Impp	13.54 A	13.61 A	0.5%
TcVoc	-0.26 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

Q-SUN Solar QN-450HT-05

450 W

TOPCon

85Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.98 V	0.0%
Vmpp	33.24 V	33.23 V	0.0%
Isc	14.25 A	14.25 A	0.0%
Impp	13.54 A	13.54 A	0.0%
TcVoc	-0.26 %/°C	-0.24 %/°C	±0.020 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

Phono Solar PS445M8GF-18/VNH

445 W

TOPCon

84Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.9 V	0.2%
Vmpp	33.24 V	33.02 V	0.7%
Isc	14.25 A	14.18 A	0.5%
Impp	13.54 A	13.48 A	0.4%
TcVoc	-0.26 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

Ulica Solar UL-450M-108BDGN

450 W

TOPCon

82Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.78 V	0.5%
Vmpp	33.24 V	33.22 V	0.1%
Isc	14.25 A	14.38 A	0.9%
Impp	13.54 A	13.55 A	0.1%
TcVoc	-0.26 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

GCL-NT10R/54BGDF 450

450 W

TOPCon

82Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	40 V	0.1%
Vmpp	33.24 V	33.46 V	0.7%
Isc	14.25 A	13.95 A	2.1%
Impp	13.54 A	13.45 A	0.7%
TcVoc	-0.26 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

Ulica Solar UL-455M-108BHVN

455 W

TOPCon

81Good match

Parameter	Original	Replacement	Deviation
Voc	39.98 V	39.94 V	0.1%
Vmpp	33.24 V	33.64 V	1.2%
Isc	14.25 A	14.43 A	1.3%
Impp	13.54 A	13.53 A	0.1%
TcVoc	-0.26 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

Luxor Solar LX-460M/182-108+ GG

460 W

TOPCon

79Acceptable

Parameter	Original	Replacement	Deviation
Voc	39.98 V	40.01 V	0.1%
Vmpp	33.24 V	33.05 V	0.6%
Isc	14.25 A	14.69 A	3.1%
Impp	13.54 A	13.93 A	2.9%
TcVoc	-0.26 %/°C	-0.25 %/°C	±0.010 %/°C
TcPmax	-0.31 %/°C	-0.29 %/°C	±0.020 %/°C

String Compatibility Calculator

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Panel Matcher

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Original Panel Specs

Voc

39.98 V

Vmpp

33.24 V

Isc

14.25 A

Impp

13.54 A

TcVoc

-0.26 %/°C

TcPmax

-0.31 %/°C

Pmax

450 W

Cells

108

Bifaciality

80%

Length

1762 mm

Width

1134 mm

Thickness

30 mm

Weight

25 kg

The AXITEC AC-450TGBL/108BB is a 450 W solar panel. Finding a compatible replacement requires matching the original electrical characteristics — particularly Voc, Vmpp, Isc, and temperature coefficients — to ensure safe operation within the same string.

Use the form above to find panels that match these specifications. Then verify the replacement in the String Compatibility Calculator with your inverter.

Other models in this series

Power	Voc	Isc
440 W	39.42 V	14.13 A
445 W	39.7 V	14.19 A
455 W	40.28 V	14.31 A
460 W	40.56 V	14.36 A

Frequently Asked Questions

What specs must match when replacing the AXITEC AC-450TGBL/108BB?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 39.98 V (within ±5%), and temperature coefficient TcVoc close to -0.26%/°C. If Voc differs significantly, the string voltage at extreme temperatures may shift outside the inverter's MPPT range. The replacement finder above pre-screens all candidates by these criteria.

Can I use a higher wattage replacement for the AXITEC AC-450TGBL/108BB?

A higher wattage panel usually has a higher Vmpp or Isc, which can affect string voltage and current. Small increases (up to 10–15%) are typically safe if the other electrical specs align. The replacement finder shows a compatibility score — 'Exact match' means the specs align closely. Always verify the replacement in the String Compatibility Calculator with your inverter before installation.

What happens if the replacement panel has different voltage specs?

If the replacement has a significantly different Voc or Vmpp, the string voltage may shift outside the inverter's MPPT range, reducing energy production or causing faults. This effect is amplified at temperature extremes: at low temperatures, voltage rises by the TcVoc coefficient. The replacement finder automatically accounts for this — it scores candidates by how closely the electrical specs match the original AXITEC AC-450TGBL/108BB.