Find replacement for DMEGC DM505G12RT-B54HBB

505 W TOPCon solar panel with 108 cells. Voc 40.49 V · Isc 15.73 A · TcVoc -0.25%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

202 panels found · 4137 panels excluded

DMEGC DM505G12RT-B54HSW

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DMEGC DM505G12RT-B54HBW

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DMEGC GH505G12RT-B54HST

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DMEGC DM505G12RT-B54HBT

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Suntech STP505S-H54-Nkh+

505 W

TOPCon

97Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.55 V	0.1%
Vmpp	34.13 V	34.17 V	0.1%
Isc	15.73 A	15.68 A	0.3%
Impp	14.8 A	14.78 A	0.1%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Suntech STP505S-H54-Nth+

505 W

TOPCon

97Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.55 V	0.1%
Vmpp	34.13 V	34.17 V	0.1%
Isc	15.73 A	15.68 A	0.3%
Impp	14.8 A	14.78 A	0.1%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

JinkoSolar JKM505N-54HL4M-BDV

505 W

TOPCon

97Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.55 V	0.1%
Vmpp	34.13 V	34.17 V	0.1%
Isc	15.73 A	15.68 A	0.3%
Impp	14.8 A	14.78 A	0.1%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z16/DG-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z16/DG(BW)-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z20/DG-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z20/DG(BB)-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z20/DG(BW)-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

Already have panels?

Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.

How the Algorithm Works

Learn how panels are scored and matched

Original Panel Specs

Voc

40.49 V

Vmpp

34.13 V

Isc

15.73 A

Impp

14.8 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

505 W

Cells

108

Bifaciality

80%

Length

1977 mm

Width

1134 mm

Thickness

30 mm

Weight

27.1 kg

The DMEGC DM505G12RT-B54HBB is a 505 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

Model	Power	Voc	Isc
DM500G12RT-B54HBB	500 W	40.36 V	15.68 A
DM510G12RT-B54HBB	510 W	40.62 V	15.78 A
DM515G12RT-B54HBB	515 W	40.75 V	15.83 A
DM520G12RT-B54HBB	520 W	40.88 V	15.88 A

Frequently Asked Questions

What specs must match when replacing the DMEGC DM505G12RT-B54HBB?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 40.49 V (within ±5%), and temperature coefficient TcVoc close to -0.25%/°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 DMEGC DM505G12RT-B54HBB?

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 DMEGC DM505G12RT-B54HBB.

All replacements

Find replacement for DMEGC DM505G12RT-B54HBB

505 W TOPCon solar panel with 108 cells. Voc 40.49 V · Isc 15.73 A · TcVoc -0.25%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

202 panels found · 4137 panels excluded

DMEGC DM505G12RT-B54HSW

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DMEGC DM505G12RT-B54HBW

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DMEGC GH505G12RT-B54HST

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DMEGC DM505G12RT-B54HBT

505 W

TOPCon

100Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.49 V	0.0%
Vmpp	34.13 V	34.13 V	0.0%
Isc	15.73 A	15.73 A	0.0%
Impp	14.8 A	14.8 A	0.0%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Suntech STP505S-H54-Nkh+

505 W

TOPCon

97Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.55 V	0.1%
Vmpp	34.13 V	34.17 V	0.1%
Isc	15.73 A	15.68 A	0.3%
Impp	14.8 A	14.78 A	0.1%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

Suntech STP505S-H54-Nth+

505 W

TOPCon

97Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.55 V	0.1%
Vmpp	34.13 V	34.17 V	0.1%
Isc	15.73 A	15.68 A	0.3%
Impp	14.8 A	14.78 A	0.1%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

JinkoSolar JKM505N-54HL4M-BDV

505 W

TOPCon

97Exact match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.55 V	0.1%
Vmpp	34.13 V	34.17 V	0.1%
Isc	15.73 A	15.68 A	0.3%
Impp	14.8 A	14.78 A	0.1%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z16/DG-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z16/DG(BW)-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z20/DG-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z20/DG(BB)-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

DAH Solar DHN-54Z20/DG(BW)-515W

515 W

TOPCon

93Good match

Parameter	Original	Replacement	Deviation
Voc	40.49 V	40.5 V	0.0%
Vmpp	34.13 V	34.5 V	1.1%
Isc	15.73 A	15.88 A	1.0%
Impp	14.8 A	14.93 A	0.9%
TcVoc	-0.25 %/°C	-0.25 %/°C	±0.000 %/°C
TcPmax	-0.29 %/°C	-0.29 %/°C	±0.000 %/°C

String Compatibility Calculator

Verify the replacement panel works with your inverter

Panel Matcher

Find all compatible panels for a specific inverter

Already have panels?

Find an inverter that fits your panel array with the right MPPT range and DC/AC ratio.

How the Algorithm Works

Learn how panels are scored and matched

Original Panel Specs

Voc

40.49 V

Vmpp

34.13 V

Isc

15.73 A

Impp

14.8 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

505 W

Cells

108

Bifaciality

80%

Length

1977 mm

Width

1134 mm

Thickness

30 mm

Weight

27.1 kg

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

Model	Power	Voc	Isc
DM500G12RT-B54HBB	500 W	40.36 V	15.68 A
DM510G12RT-B54HBB	510 W	40.62 V	15.78 A
DM515G12RT-B54HBB	515 W	40.75 V	15.83 A
DM520G12RT-B54HBB	520 W	40.88 V	15.88 A