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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 Bifacial Full Black 435 W BI 435 Wp 22.27% 222.8 -0.300 0.31% 33.0 kg TOPCon Slow degradation, top 1%
Solitek SOLRIF N Satin 445 BI 445 Wp 22.06% 212.4 -0.300 0.31% 27.0 kg TOPCon Slow degradation, top 1%
Solitek SOLID Semi-Clear Framed 455 BI 455 Wp 22.77% 227.7 -0.300 0.31% 35.0 kg TOPCon Heavy for its class
Solitek SOLID Bifacial 425 W BI 425 Wp 21.76% 217.6 -0.300 0.31% 33.0 kg TOPCon Slow degradation, top 1%
Solitek SOLID Bifacial 370 BI 370 Wp 19.57% 195.7 -0.362 0.38% 32.0 kg - Slow degradation, top 1%
Solitek SOLID Solrif 425 BI 425 Wp 21.54% 207.3 -0.300 0.31% 33.5 kg TOPCon Heavy for its class
Solitek SOLID Agro Frameless 300 BI 300 Wp 14.88% 148.8 -0.300 0.31% 33.0 kg TOPCon Slow degradation, top 8%
Solitek SOLRIF D 455 BI 455 Wp 22.56% 217.2 -0.300 0.31% 35.0 kg TOPCon Heavy for its class
Solitek SOLID Black Framed 455 BI 455 Wp 22.77% 227.7 -0.300 0.31% 36.0 kg TOPCon Heavy for its class
Amerisolar AS-8M132-HC-665W 665 Wp 21.41% 214.1 -0.340 0.60% 34.0 kg PERC Fast degradation
Amerisolar AS-8M132-HC-655W 655 Wp 21.09% 210.9 -0.340 0.60% 34.0 kg PERC Fast degradation
Amerisolar AS-8M132-HC-650W 650 Wp 20.92% 209.2 -0.340 0.60% 34.0 kg PERC Fast degradation
Solitek SOLID Agro Framed 300W BI 300 Wp 15.01% 150.1 -0.300 0.31% 36.0 kg TOPCon Heavy for its class
Solitek SOLID Bifacial 425 BI 425 Wp 21.76% 215.6 -0.300 0.31% 33.0 kg TOPCon Slow degradation, top 1%
Solitek SOLID Framed White 720W BI 720 Wp 23.18% 231.8 -0.300 0.40% 37.5 kg TOPCon Weak in heat
Amerisolar AS-7M144-HC-550 550 Wp 21.28% 212.8 -0.360 - 29.0 kg PERC Weak in heat
Amerisolar AS-7M144-HC-545 545 Wp 21.09% 210.9 -0.360 - 29.0 kg PERC Weak in heat
Amerisolar AS-7M144-HC-540 540 Wp 20.89% 208.9 -0.360 - 29.0 kg PERC Weak in heat
Amerisolar AS-7M144-HC-535 535 Wp 20.70% 207.0 -0.360 - 29.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-430 430 Wp 19.46% 194.6 -0.360 0.60% 24.0 kg PERC Modest efficiency
Solar-Fabrik Mono S4 Halfcut BC Full Black 475W BI 475 Wp 23.30% 232.7 -0.260 - 25.0 kg Back Contact Heavy for its class
Solar-Fabrik Mono S4 Halfcut BC Full Black 480W BI 480 Wp 23.50% 235.2 -0.260 - 25.0 kg Back Contact Degradation not published
DualSun SPRING4 425 TOPCon I 425 Wp 21.80% 217.6 -0.310 - 34.5 kg TOPCon Heavy for its class
Solitek SOLID Solrif Full Black 435 BI 435 Wp 22.04% 212.2 -0.300 0.31% 33.5 kg TOPCon Slow degradation, top 1%
Solitek SOLID Semi-Clear 455 BI 455 Wp 22.57% 225.7 -0.300 0.31% 33.0 kg TOPCon Heavy for its class
Solitek SOLID Bifacial Full black 435 BI 435 Wp 22.07% 220.7 -0.300 0.31% 32.0 kg TOPCon Slow degradation, top 1%
Solar-Fabrik Mono S4 Halfcut Trend White 445W BI 445 Wp 22.27% 222.7 -0.280 - 24.9 kg TOPCon Cool in heat, top 4%
Amerisolar AS-6M144-HC-465 465 Wp 21.27% 212.7 -0.360 0.55% 24.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-460 460 Wp 21.04% 210.4 -0.360 0.55% 24.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-455 455 Wp 20.81% 208.1 -0.360 0.55% 24.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-450 450 Wp 20.58% 205.8 -0.360 0.55% 24.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-445 445 Wp 20.36% 203.6 -0.360 0.55% 24.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-440 440 Wp 20.13% 201.3 -0.360 0.55% 24.0 kg PERC Weak in heat
Amerisolar AS-6M144-HC-435 435 Wp 19.90% 199.0 -0.360 0.55% 24.0 kg PERC Modest efficiency
Amerisolar AS-7M144N-HC-590 590 Wp 22.83% 228.3 -0.300 0.40% 27.5 kg TOPCon Light for its class, top 13%
Amerisolar AS-7M144N-HC-585 585 Wp 22.64% 226.4 -0.300 0.40% 27.5 kg TOPCon Light for its class, top 15%
Amerisolar AS-7M144N-HC-580 580 Wp 22.44% 224.4 -0.300 0.40% 27.5 kg TOPCon Light for its class, top 16%
Amerisolar AS-7M144N-HC-575 575 Wp 22.25% 222.5 -0.300 0.40% 27.5 kg TOPCon Light for its class, top 18%
Lexron LEXRON 590W 590 Wp 22.84% 228.4 -0.350 0.40% 28.0 kg TOPCon Weak in heat
Lexron LEXRON 585W 585 Wp 22.65% 226.5 -0.350 0.40% 28.0 kg TOPCon Weak in heat
Lexron LEXRON 580W 580 Wp 22.45% 224.5 -0.350 0.40% 28.0 kg TOPCon Weak in heat
Lexron LEXRON 575W 575 Wp 22.26% 222.6 -0.350 0.40% 28.0 kg TOPCon Weak in heat
Lexron 430W 430 Wp 21.62% 216.2 -0.350 0.45% 22.0 kg PERC Space-efficient, top 2%
Lexron 425W 425 Wp 21.37% 213.7 -0.350 0.45% 22.0 kg PERC Space-efficient, top 6%
Lexron 420W 420 Wp 21.12% 211.2 -0.350 0.45% 22.0 kg PERC Slow degradation, top 9%
Lexron 415W 415 Wp 20.86% 208.6 -0.350 0.45% 22.0 kg PERC Slow degradation, top 9%
Lexron 410W 410 Wp 20.61% 206.1 -0.350 0.45% 22.0 kg PERC Slow degradation, top 9%
KIOTO Solar KPV 440 Wp HCB 440 Wp 22.02% 220.2 -0.320 0.40% 22.5 kg TOPCon Weak in heat
KIOTO Solar KPV 445Wp HC 445 Wp 22.83% 222.7 -0.320 0.40% 22.5 kg TOPCon Top 1% efficiency
KIOTO Solar KPV 450Wp HC 450 Wp 22.53% 225.2 -0.320 0.40% 22.5 kg TOPCon Weak in heat
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