Skip to main content

Panels with the longest warranty

Ranked by performance warranty length - the guarantee on output, which is the longer of the two terms and the one that is usually meant by "25 years". All rankings

Manufacturer
All AE Solar Jinko Solar JA Solar DAH Solar Trina Solar Canadian Solar Longi Solar Suntech Hanersun Gamko New Energy Resun Solar GCL Waaree ZNShine SunEvo Solar Vikram Solar Yingli Sunova Horay Solar Phono Solar Emmvee Techwise Solar Seraphim Heckert Solar Risen Luxen Solar Energy Astronergy DMEGC Solar N Plus Goldi Solar AIKO Talesun MY Solar JS Solar Sunlike Solar EGing PV Jolywood Huasun Huayao LEDVANCE Runergy Tongwei Luxor Solar Leapton BYD Renesola TPL Solar HT-SAAE Q-SUN Solar VSUN Hiwatt Solar Shinson Technology Philadelphia Solar DAS Solar Jetion HY SOLAR Heliene S-Energy Q-Cells Solarspace Sunpro Power AmoSolar Ulica Solar PolyCrown Solar Tech SunLink SpolarPV TCL Zhonghuan Hyundai First Solar VDS Renewable Recom Boviet Solar PVolution Sun Earth AUSTA ENERGY REC SunKean Premier Energies Isola New Energy Sunket New Energy Rarlon PV Tech Solitek Adani Solar Silfab Renewsys Axitec Gokin Hounen Solar Solarwatt Solar-Fabrik Just Solar RedSolar Tata Power Solar Lina Energy FuturaSun G-STAR Maxeon Ocean Solar CSUN Selfa Aptos Solar IBC Solar SP Enerji Exiom Neo Solar Power New East Solar Einnova Solarline Motech Amerisolar Solaria LinkSol Panasonic LG Meyer Burger Mission Solar Hansol Kensol Powitt Solar Runtech China Bruk-Bet Lu'an Solar Sharp Daxieworld Twinsel Electronic Technology Weran Solar Haitai Solar CW Enerji Mysolar USA Renew Photovoltaics Centro Energy ECODELTA Fellow Energy GL Solar Avaada Bisol Lexron Sunplus Viessmann ET Solar Jinergy Loom Solar Sonnex Energie TN Solar Vespa Solar Enerji Kyocera Navitas Solar Clelo Tech Depozit Solar Gintech HD Solar KIOTO Solar Reliance New Energy TommaTech BECSA Bauer Solar Becquer DualSun Runda Solar SOMI Sunman VEDA Solar AEET Anern Energy Beny New Energy Corab Elege Electronic Jshine Solar Technology KB Solar MSolar Mogen Solar Solar Power Vietnam YS Solar Zonergy ENCOR AKCOME KDM Kingdom Solar Kingdom Peimar Easun Power LS Solar MWG ASM AU Optronics Growatt RMCIP Tescom Solar Top Solar Wanze Energy
Active 300 Wp and up Found 13,438 panels
Model Power Efficiency Wp/m² Temp Degr. Weight Tech. Standout
Solitek SOLID Solrif Terracotta Bronze 355W BI 355 Wp 18.00% 173.2 -0.300 0.31% 33.5 kg TOPCon Slow degradation, top 7%
Solitek SOLRIF D Terracotta 300 BI 300 Wp 14.87% 143.2 -0.300 0.31% 35.0 kg TOPCon Heavy for its class
Solitek Blackstar 455 BI 455 Wp 22.77% 227.7 -0.300 0.31% 25.5 kg TOPCon Slow degradation, top 1%
Solitek SOLID Bifacial Full Black 435 BI 435 Wp 22.27% 222.8 -0.300 0.31% 33.0 kg TOPCon Slow degradation, top 1%
Solitek SOLID Framed White 650W BI 650 Wp 22.97% 229.7 -0.300 0.40% 34.2 kg TOPCon Typical across the board
Solar-Fabrik Mono S4 Halfcut Trend Full Black 450 W BI 450 Wp 22.50% 225.2 -0.290 - 24.9 kg TOPCon Degradation not published
Solar-Fabrik MS4 HC V 425 BF-DG BI 425 Wp 21.80% 217.6 -0.300 - 23.7 kg TOPCon Degradation not published
Solar-Fabrik MS5 HC 315 BF-DG BI 315 Wp 21.69% 216.9 -0.300 - 17.1 kg TOPCon Top 1% efficiency
Solar-Fabrik MS5 HC 300 BF-DG BI 300 Wp 20.70% 206.6 -0.350 - 18.5 kg PERC Space-efficient, top 1%
Solar-Fabrik S4-DG390-96APV BI 390 Wp 15.10% 151.0 -0.290 - 31.5 kg TOPCon Degradation not published
Solar-Fabrik S4-DG395-96APV BI 395 Wp 15.29% 152.9 -0.290 - 31.5 kg TOPCon Degradation not published
Solar-Fabrik Mono S4 Halfcut Trend White 450W BI 450 Wp 22.53% 225.2 -0.280 - 24.9 kg TOPCon Degradation not published
Solar-Fabrik Mono S4 Halfcut BC White 480 BI 480 Wp 23.50% 235.2 -0.260 - 25.0 kg Back Contact Degradation not published
Solar-Fabrik Mono S4 Halfcut BC White 485 BI 485 Wp 23.75% 237.6 -0.260 - 25.0 kg Back Contact Degradation not published
Solar-Fabrik Mono S4 Halfcut BC White 490 BI 490 Wp 24.00% 240.1 -0.260 - 25.0 kg Back Contact Degradation not published
Solar-Fabrik S4-DG400-96APV BI 400 Wp 15.48% 154.8 -0.290 - 31.5 kg TOPCon Modest efficiency
Solar-Fabrik Mono S4 Halfcut Trend White 455W BI 455 Wp 22.80% 227.7 -0.310 - 24.9 kg TOPCon Weak in heat
CW Enerji CWT425-144MB 425 Wp 19.52% 195.2 -0.360 0.60% 24.5 kg PERC Modest efficiency
CW Enerji CWT430-144MB 430 Wp 19.75% 197.5 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT435-144MB 435 Wp 20.00% 199.8 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT440-144MB 440 Wp 20.20% 202.1 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT445-144MB 445 Wp 20.40% 204.4 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT450-144MB 450 Wp 20.70% 206.7 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT455-144MB 455 Wp 20.90% 209.0 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT460-144MB 460 Wp 21.13% 211.3 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT465-144MB 465 Wp 21.36% 213.6 -0.360 0.60% 24.5 kg PERC Fast degradation
CW Enerji CWT420-144MB 420 Wp 19.30% 193.0 -0.360 0.60% 24.5 kg PERC Modest efficiency
Bisol BBO 510 510 Wp 22.80% 227.7 -0.290 0.31% 23.5 kg PERC Top 1% efficiency
Bisol BBO 520 520 Wp 23.20% 232.2 -0.290 0.31% 23.5 kg TOPCon Slow degradation, top 1%
Bisol BDO 440 440 Wp 22.00% 220.2 -0.290 0.31% 21.0 kg PERC Space-efficient, top 1%
Bisol BDO 450 450 Wp 22.50% 225.2 -0.290 0.31% 21.0 kg PERC Space-efficient, top 1%
Bisol BDO 410 410 Wp 20.50% 205.2 -0.290 0.31% 21.0 kg PERC Slow degradation, top 1%
Bisol BDO 360 360 Wp 18.00% 180.2 -0.290 0.31% 21.0 kg PERC Slow degradation, top 1%
CW Enerji CWT530-144PM10 530 Wp 20.50% 205.2 -0.350 0.48% 29.0 kg PERC Modest efficiency
CW Enerji CWT535-144PM10 535 Wp 20.70% 207.1 -0.350 0.48% 29.0 kg PERC Typical across the board
CW Enerji CWT540-144PM10 540 Wp 20.89% 209.0 -0.350 0.48% 29.0 kg PERC Typical across the board
CW Enerji CWT545-144PM10 545 Wp 21.09% 211.0 -0.350 0.48% 29.0 kg PERC Space-efficient, top 18%
CW Enerji CWT550-144PM10 550 Wp 21.28% 212.9 -0.350 0.48% 29.0 kg PERC Typical across the board
Bisol BBO 500 500 Wp 22.30% 223.2 -0.290 0.31% 23.5 kg PERC Top 1% efficiency
Bisol BDO 460 460 Wp 23.00% 230.2 -0.290 0.31% 21.0 kg TOPCon Slow degradation, top 1%
Bisol BGO 560 560 Wp 22.70% 226.8 -0.290 0.31% 26.0 kg TOPCon Slow degradation, top 1%
Bisol BGO 570 570 Wp 23.10% 230.9 -0.290 0.31% 26.0 kg TOPCon Slow degradation, top 1%
Bisol BGO 580 580 Wp 23.50% 234.9 -0.290 0.31% 26.0 kg TOPCon Slow degradation, top 1%
DAS Solar DAS-DH108NA-440W BI 440 Wp 22.50% 225.3 -0.300 0.40% 20.5 kg TOPCon Space-efficient, top 8%
DAS Solar DAS-DH120ND-490W BI 490 Wp 21.70% 216.7 -0.280 0.40% 27.5 kg TOPCon Needs more roof
DAS Solar DAS-DH120ND-495W BI 495 Wp 21.90% 218.9 -0.280 0.40% 27.5 kg TOPCon Cool in heat, top 11%
DAS Solar DAS-DH120ND-505W BI 505 Wp 22.30% 223.3 -0.280 0.40% 27.5 kg TOPCon Cool in heat, top 10%
DAS Solar DAS-DH120ND-510W BI 510 Wp 22.60% 225.5 -0.280 0.40% 27.5 kg TOPCon Cool in heat, top 10%
DAS Solar DAS-DH120ND-515W BI 515 Wp 22.80% 227.8 -0.280 0.40% 27.5 kg TOPCon Cool in heat, top 10%
DAS Solar DAS-DH120ND-500W BI 500 Wp 22.10% 221.1 -0.280 0.40% 27.5 kg TOPCon Cool in heat, top 10%
Colour key Strong - top 25% of segment Typical - middle 50% Weak - bottom 25%
Reading this table

Every number is ranked

Colour and bar show where a value sits inside that panel's own segment - its cell technology at its power class - not across the whole database.

Standout says why it matters

One phrase per row, generated from whichever metric is furthest from its segment median.

A dash means no data

The manufacturer did not publish it. We never estimate a missing value - the amber triangle marks those rows.

Technologies

TOPCon HJT PERC N-type