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All replacements

Find replacement for Risen RSM108-11-505BNDG

505 W TOPCon solar panel with 108 cells. Voc 40.22 V · Isc 15.95 A · TcVoc -0.25%/°C.

Select the panel you want to replace

Show only panels with matching cell technology

Compatible Replacements

199 panels found · 4140 panels excluded

Luxor Solar LX-500M/182R-108+ GG BW ECOLINE

500 W

TOPCon
96Exact match
ParameterOriginalReplacementDeviation
Voc40.22 V40.29 V0.2%
Vmpp33.25 V33.28 V0.1%
Isc15.95 A15.89 A0.4%
Impp15.19 A15.03 A1.1%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Seraphim SRP-505-BTD-BG

505 W

TOPCon
95Exact match
ParameterOriginalReplacementDeviation
Voc40.22 V40.23 V0.0%
Vmpp33.25 V33.51 V0.8%
Isc15.95 A15.93 A0.1%
Impp15.19 A15.07 A0.8%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Sonnex SNX-D54HND500M(R4)

500 W

TOPCon
94Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.1 V0.3%
Vmpp33.25 V33.3 V0.2%
Isc15.95 A15.86 A0.6%
Impp15.19 A15.03 A1.1%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Luxor Solar LX-495M/182R-108+ GG BW ECOLINE

495 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.1 V0.3%
Vmpp33.25 V33.12 V0.4%
Isc15.95 A15.81 A0.9%
Impp15.19 A14.96 A1.5%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Seraphim SRP-500-BTD-BG

500 W

TOPCon
92Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.03 V0.5%
Vmpp33.25 V33.31 V0.2%
Isc15.95 A15.88 A0.4%
Impp15.19 A15.02 A1.1%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Sunpro Power SPDG505-N108R12

505 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.24 V0.0%
Vmpp33.25 V33.6 V1.1%
Isc15.95 A15.88 A0.4%
Impp15.19 A15.03 A1.1%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C
Ulica Solar UL-505M-108DDGN-FLOW

505 W

TOPCon
91Good match
ParameterOriginalReplacementDeviation
Voc40.22 V39.99 V0.6%
Vmpp33.25 V33.32 V0.2%
Isc15.95 A16.02 A0.4%
Impp15.19 A15.16 A0.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Sonnex SNX-D54HND505M(R4)

505 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.4 V0.4%
Vmpp33.25 V33.5 V0.8%
Isc15.95 A15.89 A0.4%
Impp15.19 A15.08 A0.7%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
München Solar MSMD510M10NR1-108BG

510 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.1 V0.3%
Vmpp33.25 V33.5 V0.8%
Isc15.95 A16.24 A1.8%
Impp15.19 A15.22 A0.2%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Leapton Energy LP182*210-M-54-NB-500W

500 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.07 V0.4%
Vmpp33.25 V33.33 V0.2%
Isc15.95 A15.9 A0.3%
Impp15.19 A15 A1.3%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.3 %/°C±0.010 %/°C
Risen RSM108-11-500BNDG

500 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.02 V0.5%
Vmpp33.25 V33.05 V0.6%
Isc15.95 A15.88 A0.4%
Impp15.19 A15.13 A0.4%
TcVoc-0.25 %/°C-0.25 %/°C±0.000 %/°C
TcPmax-0.29 %/°C-0.29 %/°C±0.000 %/°C
Risen RSM108-11-510BNDG

510 W

TOPCon
90Good match
ParameterOriginalReplacementDeviation
Voc40.22 V40.42 V0.5%
Vmpp33.25 V33.45 V0.6%
Isc15.95 A16.02 A0.4%
Impp15.19 A15.25 A0.4%
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

40.22 V

Vmpp

33.25 V

Isc

15.95 A

Impp

15.19 A

TcVoc

-0.25 %/°C

TcPmax

-0.29 %/°C

Pmax

505 W

Cells

108

Bifaciality

80%

Length

1961 mm

Width

1134 mm

Thickness

30 mm

Weight

27 kg

The Risen RSM108-11-505BNDG 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

ModelPowerVocIsc
RSM108-11-490BNDG490 W39.61 V15.74 A
RSM108-11-495BNDG495 W39.81 V15.81 A
RSM108-11-500BNDG500 W40.02 V15.88 A
RSM108-11-510BNDG510 W40.42 V16.02 A
RSM108-11-515BNDG515 W40.62 V16.08 A

Frequently Asked Questions

What specs must match when replacing the Risen RSM108-11-505BNDG?

The most critical specs to match are: cell count (must be exactly 108), Voc close to 40.22 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 Risen RSM108-11-505BNDG?

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 Risen RSM108-11-505BNDG.