Find replacement for Aiko Solar AIKO-A650-GRH66Dw

650 W ABC solar panel with 132 cells. Voc 49.7 V · Isc 16.64 A · TcVoc -0.22%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

155 panels found · 4184 panels excluded

Aiko Solar AIKO-A645-GRH66Dw

645 W

ABC

95Exact match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.6 V	0.2%
Vmpp	40.68 V	40.59 V	0.2%
Isc	16.64 A	16.55 A	0.5%
Impp	15.98 A	15.89 A	0.6%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

Aiko Solar AIKO-A670-GRH66Dw

670 W

ABC

88Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.6 V	0.2%
Vmpp	40.68 V	41.44 V	1.9%
Isc	16.64 A	16.71 A	0.4%
Impp	15.98 A	16.17 A	1.2%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

Aiko Solar AIKO-A665-GRH66Dw

665 W

ABC

87Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.5 V	0.4%
Vmpp	40.68 V	41.36 V	1.7%
Isc	16.64 A	16.64 A	0.0%
Impp	15.98 A	16.08 A	0.6%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVDF-650M

650 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.72 V	0.0%
Vmpp	40.68 V	40.98 V	0.7%
Isc	16.64 A	16.54 A	0.6%
Impp	15.98 A	15.86 A	0.8%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HYD-650M

650 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.72 V	0.0%
Vmpp	40.68 V	40.98 V	0.7%
Isc	16.64 A	16.54 A	0.6%
Impp	15.98 A	15.86 A	0.8%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVD-650M

650 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.72 V	0.0%
Vmpp	40.68 V	40.98 V	0.7%
Isc	16.64 A	16.54 A	0.6%
Impp	15.98 A	15.86 A	0.8%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

Aiko Solar AIKO-A660-GRH66Dw

660 W

ABC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.4 V	0.6%
Vmpp	40.68 V	41.28 V	1.5%
Isc	16.64 A	16.57 A	0.4%
Impp	15.98 A	15.99 A	0.1%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

RECOM RCM-655-8DBRCM

655 W

IBC

84Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.64 V	0.1%
Vmpp	40.68 V	40.93 V	0.6%
Isc	16.64 A	16.78 A	0.8%
Impp	15.98 A	16 A	0.1%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

RECOM RCM-650-8DBRCM

650 W

IBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.54 V	0.3%
Vmpp	40.68 V	40.83 V	0.4%
Isc	16.64 A	16.7 A	0.4%
Impp	15.98 A	15.92 A	0.4%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVDF-645M

645 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.62 V	0.2%
Vmpp	40.68 V	40.88 V	0.5%
Isc	16.64 A	16.46 A	1.1%
Impp	15.98 A	15.78 A	1.3%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVD-645M

645 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.62 V	0.2%
Vmpp	40.68 V	40.88 V	0.5%
Isc	16.64 A	16.46 A	1.1%
Impp	15.98 A	15.78 A	1.3%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HYD-645M

645 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.62 V	0.2%
Vmpp	40.68 V	40.88 V	0.5%
Isc	16.64 A	16.46 A	1.1%
Impp	15.98 A	15.78 A	1.3%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°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

49.7 V

Vmpp

40.68 V

Isc

16.64 A

Impp

15.98 A

TcVoc

-0.22 %/°C

TcPmax

-0.26 %/°C

Pmax

650 W

Cells

132

Bifaciality

75%

Length

2382 mm

Width

1134 mm

Thickness

30 mm

Weight

32.5 kg

The Aiko Solar AIKO-A650-GRH66Dw is a 650 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
AIKO-A645-GRH66Dw	645 W	49.6 V	16.55 A

Frequently Asked Questions

What specs must match when replacing the Aiko Solar AIKO-A650-GRH66Dw?

The most critical specs to match are: cell count (must be exactly 132), Voc close to 49.7 V (within ±5%), and temperature coefficient TcVoc close to -0.22%/°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 Aiko Solar AIKO-A650-GRH66Dw?

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 Aiko Solar AIKO-A650-GRH66Dw.

All replacements

Find replacement for Aiko Solar AIKO-A650-GRH66Dw

650 W ABC solar panel with 132 cells. Voc 49.7 V · Isc 16.64 A · TcVoc -0.22%/°C.

Original Panel

Select the panel you want to replace

Same technology onlyShow only panels with matching cell technology

Compatible Replacements

155 panels found · 4184 panels excluded

Aiko Solar AIKO-A645-GRH66Dw

645 W

ABC

95Exact match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.6 V	0.2%
Vmpp	40.68 V	40.59 V	0.2%
Isc	16.64 A	16.55 A	0.5%
Impp	15.98 A	15.89 A	0.6%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

Aiko Solar AIKO-A670-GRH66Dw

670 W

ABC

88Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.6 V	0.2%
Vmpp	40.68 V	41.44 V	1.9%
Isc	16.64 A	16.71 A	0.4%
Impp	15.98 A	16.17 A	1.2%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

Aiko Solar AIKO-A665-GRH66Dw

665 W

ABC

87Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.5 V	0.4%
Vmpp	40.68 V	41.36 V	1.7%
Isc	16.64 A	16.64 A	0.0%
Impp	15.98 A	16.08 A	0.6%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVDF-650M

650 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.72 V	0.0%
Vmpp	40.68 V	40.98 V	0.7%
Isc	16.64 A	16.54 A	0.6%
Impp	15.98 A	15.86 A	0.8%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HYD-650M

650 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.72 V	0.0%
Vmpp	40.68 V	40.98 V	0.7%
Isc	16.64 A	16.54 A	0.6%
Impp	15.98 A	15.86 A	0.8%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVD-650M

650 W

HPBC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.72 V	0.0%
Vmpp	40.68 V	40.98 V	0.7%
Isc	16.64 A	16.54 A	0.6%
Impp	15.98 A	15.86 A	0.8%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

Aiko Solar AIKO-A660-GRH66Dw

660 W

ABC

85Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.4 V	0.6%
Vmpp	40.68 V	41.28 V	1.5%
Isc	16.64 A	16.57 A	0.4%
Impp	15.98 A	15.99 A	0.1%
TcVoc	-0.22 %/°C	-0.22 %/°C	±0.000 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

RECOM RCM-655-8DBRCM

655 W

IBC

84Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.64 V	0.1%
Vmpp	40.68 V	40.93 V	0.6%
Isc	16.64 A	16.78 A	0.8%
Impp	15.98 A	16 A	0.1%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

RECOM RCM-650-8DBRCM

650 W

IBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.54 V	0.3%
Vmpp	40.68 V	40.83 V	0.4%
Isc	16.64 A	16.7 A	0.4%
Impp	15.98 A	15.92 A	0.4%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVDF-645M

645 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.62 V	0.2%
Vmpp	40.68 V	40.88 V	0.5%
Isc	16.64 A	16.46 A	1.1%
Impp	15.98 A	15.78 A	1.3%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HVD-645M

645 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.62 V	0.2%
Vmpp	40.68 V	40.88 V	0.5%
Isc	16.64 A	16.46 A	1.1%
Impp	15.98 A	15.78 A	1.3%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°C	±0.000 %/°C

LONGi LR8-66HYD-645M

645 W

HPBC

83Good match

Parameter	Original	Replacement	Deviation
Voc	49.7 V	49.62 V	0.2%
Vmpp	40.68 V	40.88 V	0.5%
Isc	16.64 A	16.46 A	1.1%
Impp	15.98 A	15.78 A	1.3%
TcVoc	-0.22 %/°C	-0.2 %/°C	±0.020 %/°C
TcPmax	-0.26 %/°C	-0.26 %/°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

49.7 V

Vmpp

40.68 V

Isc

16.64 A

Impp

15.98 A

TcVoc

-0.22 %/°C

TcPmax

-0.26 %/°C

Pmax

650 W

Cells

132

Bifaciality

75%

Length

2382 mm

Width

1134 mm

Thickness

30 mm

Weight

32.5 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
AIKO-A645-GRH66Dw	645 W	49.6 V	16.55 A