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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
Jetion JT800SXt(B) BI 800 Wp 23.70% 236.6 -0.290 0.40% 40.0 kg TOPCon Top 4% efficiency
Jetion JT440SYk(B) BI 440 Wp 22.90% 229.4 -0.240 - 23.0 kg HJT Space-efficient, top 1%
Jetion JT610SRt(B) BI 610 Wp 21.80% 218.2 -0.290 0.40% 34.0 kg TOPCon Modest efficiency
Jetion JT625SRt(B) BI 625 Wp 22.40% 223.6 -0.290 0.40% 34.0 kg TOPCon Needs more roof
Jetion JT640SRt(B) BI 640 Wp 22.90% 229.0 -0.290 0.40% 34.0 kg TOPCon Typical across the board
Jetion JT505SLt(B) BI 505 Wp 21.30% 212.7 -0.290 0.40% 31.1 kg TOPCon Heavy for its class
Jetion JT515SLt(B) BI 515 Wp 21.70% 216.9 -0.290 0.40% 31.1 kg TOPCon Heavy for its class
Jetion JT520SLt(B) BI 520 Wp 21.90% 219.0 -0.290 0.40% 31.1 kg TOPCon Heavy for its class
Resun Solar RS9H-M-660 660 Wp 21.25% 212.5 -0.350 0.50% 33.6 kg - Typical across the board
Resun Solar RS9H-M-665 665 Wp 21.41% 214.1 -0.350 0.50% 33.6 kg - Light for its class, top 16%
Resun Solar RS9H-M-670 670 Wp 21.57% 215.7 -0.350 0.50% 33.6 kg - Light for its class, top 9%
Jetion JT410SJt(B) BI 410 Wp 21.00% 210.0 -0.290 0.40% 25.8 kg TOPCon Heavy for its class
Jetion JT415SJt(B) BI 415 Wp 21.30% 212.5 -0.290 0.40% 25.8 kg TOPCon Heavy for its class
Resun Solar RS8I-540M-BD BI 540 Wp 20.94% 209.4 -0.390 0.50% 29.0 kg - Weak in heat
Resun Solar RS8I-545M-BD BI 545 Wp 21.13% 211.3 -0.390 0.50% 29.0 kg - Weak in heat
Resun Solar RS6I-420M 420 Wp 20.87% 208.7 -0.340 0.50% 22.5 kg - Typical across the board
Resun Solar RS6K-330M 330 Wp 19.56% 195.6 -0.340 0.50% 19.0 kg - Slow degradation, top 19%
Resun Solar RS6K-335M 335 Wp 19.85% 198.5 -0.340 0.50% 19.0 kg - Slow degradation, top 19%
Resun Solar RS6K-340M 340 Wp 20.15% 201.5 -0.340 0.50% 19.0 kg - Top 16% efficiency
Jetion JT450SNt(B) BI 450 Wp 22.50% 225.2 -0.290 0.40% 23.7 kg TOPCon Typical across the board
Jetion JT725SLk(B) BI 725 Wp 23.40% 233.4 -0.240 0.30% 36.4 kg HJT Light for its class, top 4%
Jetion JT745SLk(B) BI 745 Wp 24.00% 239.8 -0.240 0.30% 36.4 kg HJT Lightest in its segment
Resun Solar RS8V-M-410W 410 Wp 21.00% 210.0 -0.350 0.50% 22.0 kg - Typical across the board
Resun Solar RS8V-M-415W 415 Wp 21.25% 212.5 -0.350 0.50% 22.0 kg - Space-efficient, top 22%
Resun Solar RS6K-M-335 335 Wp 19.85% 198.5 -0.340 0.50% 19.0 kg - Slow degradation, top 19%
Resun Solar RS7I-435M 435 Wp 19.69% 200.1 -0.340 0.50% 25.0 kg - Modest efficiency
Resun Solar RS6K-M-340 340 Wp 20.15% 201.5 -0.340 0.50% 19.0 kg - Top 16% efficiency
Resun Solar RS7I-445M 445 Wp 20.14% 204.7 -0.340 0.50% 25.0 kg - Modest efficiency
Jetion JT460SIt(B) BI 460 Wp 21.30% 212.6 -0.290 0.40% 28.5 kg TOPCon Heavy for its class
Resun Solar RS6K-325M 325 Wp 19.26% 192.6 -0.340 0.50% 19.0 kg - Slow degradation, top 19%
Jetion JT475SIt(B) BI 475 Wp 22.00% 219.5 -0.290 0.40% 28.5 kg TOPCon Heavy for its class
Resun Solar RS7I-455M 455 Wp 20.93% 209.3 -0.340 0.50% 25.0 kg - Typical across the board
Resun Solar RS7I-460M 460 Wp 21.16% 211.6 -0.340 0.50% 25.0 kg - Top 21% efficiency
Resun Solar RS7K-355M 355 Wp 19.50% 194.9 -0.340 0.50% 19.0 kg - Slow degradation, top 18%
Resun Solar RS7K-370M 370 Wp 20.30% 203.1 -0.340 0.50% 19.0 kg - Light for its class, top 5%
Resun Solar RS7K-M-355W 355 Wp 19.50% 194.9 -0.340 0.50% 19.5 kg - Slow degradation, top 18%
Jetion JT570SJk(B) BI 570 Wp 22.30% 223.1 -0.240 0.30% 30.7 kg HJT Typical across the board
Resun Solar RS8V-M-400 400 Wp 20.48% 204.8 -0.350 0.50% 22.0 kg - Typical across the board
Resun Solar RS8I-M FULL BLACK 550W 550 Wp 21.28% 212.8 -0.390 0.50% 28.6 kg - Weak in heat
Resun Solar RS8I-M HC-535 535 Wp 20.70% 207.0 -0.340 0.50% 28.6 kg - Needs more roof
Resun Solar RS8I-M HC-540 540 Wp 20.89% 208.9 -0.340 0.50% 28.6 kg - Slow degradation, top 23%
Resun Solar RS8I-M HC-545 545 Wp 21.09% 210.9 -0.340 0.50% 28.6 kg - Slow degradation, top 23%
Resun Solar RS8I-M HC-550 550 Wp 21.28% 212.8 -0.340 0.50% 28.6 kg - Typical across the board
Resun Solar RS8I-M HC-555 555 Wp 21.47% 214.8 -0.340 0.50% 28.6 kg - Typical across the board
Jetion JT710SPt(B) BI 710 Wp 22.90% 228.6 -0.290 0.40% 36.7 kg TOPCon Typical across the board
Jetion JT735SLk(B) BI 735 Wp 23.70% 236.6 -0.240 0.30% 36.4 kg HJT Light for its class, top 2%
Resun Solar RS7K-365M 365 Wp 20.00% 200.4 -0.340 0.50% 19.0 kg - Light for its class, top 8%
Resun Solar RS7K-380M 380 Wp 20.90% 208.6 -0.340 0.50% 19.0 kg - Light for its class, top 2%
Resun Solar RS8V-M-405 405 Wp 20.74% 207.4 -0.350 0.50% 22.0 kg - Typical across the board
Resun Solar RS8V-M-410 410 Wp 21.00% 210.0 -0.350 0.50% 22.0 kg - Typical across the board
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