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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
Silfab SLA-M 320 320 Wp 19.60% 195.9 -0.380 0.59% 19.0 kg - Typical across the board
Silfab SLG-X-350 BI 350 Wp 17.95% 179.5 -0.415 0.40% 23.0 kg N-type Weak in heat
Silfab SIL-320 BL 320 Wp 18.84% 188.2 -0.377 0.50% 18.2 kg PERC Slow degradation, top 19%
Silfab SIL-500 HM 500 Wp 21.00% 210.3 -0.360 0.50% 26.2 kg PERC Weak in heat
Silfab SIL-520 QM 520 Wp 21.90% 218.8 -0.290 0.35% 26.2 kg N-type Slow degradation, top 11%
Silfab SLA-M 310 310 Wp 19.00% 189.8 -0.380 0.59% 19.0 kg - Typical across the board
Silfab SIL-370 HC 370 Wp 20.20% 202.5 -0.360 0.50% 19.5 kg PERC Slow degradation, top 19%
Silfab SLG-M 370 370 Wp 19.00% 189.7 -0.380 0.55% 23.0 kg - Weak in heat
Silfab SIL-580-XM+-BIFACIAL BI 580 Wp 22.40% 224.7 -0.290 0.30% 28.5 kg N-type Slow degradation, top 1%
Silfab SIL-590 XM+ BI 590 Wp 22.80% 228.6 -0.290 0.32% 28.5 kg N-type Slow degradation, top 1%
Solar-Fabrik Mono S4 Halfcut BC Series Black 475W BI 475 Wp 23.30% 232.7 - - 25.0 kg Back Contact Incomplete datasheet
Silfab SIL-620 XL BI 620 Wp 22.20% 222.0 -0.290 0.30% 29.5 kg N-type Slow degradation, top 1%
Silfab SIL-630 XL BI 630 Wp 22.56% 225.6 -0.290 0.30% 29.5 kg N-type Slow degradation, top 1%
Silfab SIL-640 XL BI 640 Wp 22.92% 229.2 -0.290 0.30% 29.5 kg N-type Slow degradation, top 1%
Solar-Fabrik Mono S4 Halfcut BC Black 475-485W BI 480 Wp 23.55% 235.2 -0.260 - 25.0 kg Back Contact Degradation not published
Solar-Fabrik S4-DGXXX-96TMax Guard BI 455 Wp 22.77% 227.7 -0.290 - 24.5 kg N-type Degradation not published
Silfab SIL-320 NL 320 Wp 18.80% 188.2 -0.360 0.50% 18.6 kg PERC Slow degradation, top 19%
Silfab SIL-430-QD 430 Wp 22.10% 220.5 -0.290 0.30% 21.0 kg N-type Slow degradation, top 2%
Solar-Fabrik Mono S4 Quartercut Premium DE Series 475W BI 475 Wp 23.77% 237.7 -0.260 - 24.0 kg TOPCon Space-efficient, top 3%
Solar-Fabrik Mono S4 Halfcut Trend Full Black 460W BI 460 Wp 23.00% 230.2 -0.290 - 24.9 kg TOPCon Degradation not published
Solar-Fabrik Mono S4 Quartercut Premium DE Series 480W BI 480 Wp 24.02% 240.2 -0.260 - 24.0 kg TOPCon Top 1% efficiency
Solar-Fabrik Mono S4 Quartercut Premium DE Series 485W BI 485 Wp 24.27% 242.7 -0.260 - 24.0 kg TOPCon Space-efficient, top 1%
Solar-Fabrik Mono S4 Halfcut Chroma Orange 420W BI 420 Wp 21.02% 210.2 -0.290 - 24.0 kg TOPCon Modest efficiency
Solar-Fabrik Mono S4 Halfcut Chroma Orange 400W BI 400 Wp 20.02% 200.2 -0.290 - 24.0 kg TOPCon Modest efficiency
Silfab SIL-330 BL 330 Wp 19.40% 194.1 -0.377 0.50% 18.2 kg PERC Light for its class, top 9%
Solar-Fabrik Mono S4 Halfcut Trend Guard 455 W BI 455 Wp 22.77% 227.7 -0.290 - 24.5 kg TOPCon Degradation not published
Silfab SIL-520-XM-BIFACIAL BI 520 Wp 21.90% 218.8 -0.290 0.30% 26.2 kg N-type Slow degradation, top 1%
Solar-Fabrik Mono S4 Halfcut Trend White 460W BI 460 Wp 23.02% 230.2 -0.310 - 24.9 kg TOPCon Weak in heat
Silfab SIL-410-BG 410 Wp 21.40% 213.8 -0.377 0.31% 20.8 kg PERC Slow degradation, top 1%
Silfab SIL-530 XM BI 530 Wp 22.30% 223.0 -0.290 0.33% 26.2 kg N-type Slow degradation, top 3%
Heckert Solar ZEUS 1.1 Transparent 445 BI 445 Wp 22.30% 222.7 -0.280 0.45% 23.7 kg TOPCon Cool in heat, top 4%
Heckert Solar ZEUS 1.1 Transparent 450 BI 450 Wp 22.50% 225.2 -0.280 0.45% 23.7 kg TOPCon Fast degradation
Heckert Solar ZEUS 3.0+ 108 485WP FULL BLACK BI 485 Wp 24.30% 242.7 -0.260 0.45% 24.2 kg Back Contact Fast degradation
Heckert Solar ZEUS 3.0+ 108 480WP Full Black BI 480 Wp 24.00% 240.2 -0.260 0.45% 24.2 kg Back Contact Fast degradation
Heckert Solar ZEUS 1.0 450WP Transparent BI 450 Wp 22.50% 225.2 -0.290 0.45% 24.5 kg TOPCon Fast degradation
Solar-Fabrik Mono S4 Halfcut BC White 480-490W BI 485 Wp 23.75% 237.6 -0.260 - 25.0 kg Back Contact Degradation not published
Heckert Solar ZEUS 1.0-450 BI 450 Wp 22.50% 225.2 -0.290 0.45% 24.5 kg TOPCon Fast degradation
Heckert Solar ZEUS 1.0-455 BI 455 Wp 22.80% 227.7 -0.290 0.45% 24.5 kg TOPCon Fast degradation
Heckert Solar APOLLON 2.0-460 BI 460 Wp 23.00% 230.2 -0.290 0.45% 23.5 kg TOPCon Fast degradation
GCL-NR10R/54BGDF BI 500 Wp 24.50% 245.0 -0.260 0.35% 24.6 kg TOPCon Top 1% efficiency
Heckert Solar ZEUS 1.1 440W BI 440 Wp 22.00% 220.2 -0.280 0.45% 20.9 kg TOPCon Cool in heat, top 4%
Heckert Solar ZEUS 3.0+ 108 485WP PERFORMANCE BI 485 Wp 24.30% 242.7 -0.260 0.45% 24.2 kg Back Contact Fast degradation
Heckert Solar ZEUS 1.1 450Wp White grid BI 450 Wp 22.50% 225.2 -0.280 0.45% 23.7 kg TOPCon Fast degradation
Heckert Solar ZEUS 1.1 455Wp White grid BI 455 Wp 22.80% 227.7 -0.280 0.45% 23.7 kg TOPCon Fast degradation
Heckert Solar ZEUS 1.1 445W BI 445 Wp 22.30% 222.7 -0.280 0.45% 20.9 kg TOPCon Cool in heat, top 4%
Selfa SV120M.2.4-500 BI 500 Wp 22.60% 225.5 -0.300 - 27.0 kg N-type Degradation not published
Jetion JT775SXt(B) BI 775 Wp 22.90% 229.2 -0.290 0.40% 40.0 kg TOPCon Space-efficient, top 17%
Jetion JT780SXt(B) BI 780 Wp 23.10% 230.7 -0.290 0.40% 40.0 kg TOPCon Top 12% efficiency
Jetion JT785SXt(B) BI 785 Wp 23.20% 232.2 -0.290 0.40% 40.0 kg TOPCon Space-efficient, top 10%
Jetion JT790SXt(B) BI 790 Wp 23.40% 233.6 -0.290 0.40% 40.0 kg TOPCon Top 6% efficiency
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