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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
TCL Zhonghuan HSM-ND54-GR495 BI 495 Wp 22.30% 222.6 -0.290 0.40% 27.0 kg TOPCon Heavy for its class
TCL Zhonghuan HSM-ND54-GR500 BI 500 Wp 22.50% 224.8 -0.290 0.40% 27.0 kg TOPCon Heavy for its class
TCL Zhonghuan HSM-ND54-GR505 BI 505 Wp 22.70% 227.1 -0.290 0.40% 27.0 kg TOPCon Typical across the board
TCL Zhonghuan HSM-ND54-GR510 BI 510 Wp 22.90% 229.3 -0.290 0.40% 27.0 kg TOPCon Typical across the board
TCL Zhonghuan HSM-ND54-GR515 BI 515 Wp 23.20% 231.6 -0.290 0.40% 27.0 kg TOPCon Top 16% efficiency
TCL Zhonghuan HSM-ND66-GK700 (IEC1500V) BI 700 Wp 22.50% 225.3 -0.280 - 38.2 kg TOPCon Modest efficiency
TCL Zhonghuan HSM-ND66-GK705 (IEC1500V) BI 705 Wp 22.70% 227.0 -0.280 - 38.2 kg TOPCon Degradation not published
TCL Zhonghuan HSM-ND66-GK710 (IEC1500V) BI 710 Wp 22.90% 228.6 -0.280 - 38.2 kg TOPCon Degradation not published
TCL Zhonghuan HSM-ND66-GK715 (IEC1500V) BI 715 Wp 22.90% 230.2 -0.280 - 38.2 kg TOPCon Degradation not published
TCL Zhonghuan HSM-ND66-GK720 (IEC1500V) BI 720 Wp 23.00% 231.8 -0.280 - 38.2 kg TOPCon Degradation not published
TCL Zhonghuan HSM-ND66-GK725 (IEC1500V) BI 725 Wp 23.30% 233.4 -0.280 - 38.2 kg TOPCon Degradation not published
TCL Zhonghuan HSM-ND66-GK715 BI 715 Wp 23.00% 230.2 -0.280 0.40% 38.2 kg N-type Cool in heat, top 19%
TCL Zhonghuan HSM-ND66-GK720 BI 720 Wp 23.20% 231.8 -0.280 0.40% 38.2 kg N-type Top 17% efficiency
TCL Zhonghuan HSM-ND66-GK725 BI 725 Wp 23.30% 233.4 -0.280 0.40% 38.2 kg N-type Space-efficient, top 11%
BYD MLBK-36 530W BI 530 Wp 20.52% 205.2 -0.328 0.50% 32.0 kg PERC Cool in heat, top 6%
BYD MLBK-36 535W BI 535 Wp 20.71% 207.1 -0.328 0.50% 32.0 kg PERC Cool in heat, top 6%
BYD MLBK-36 540W BI 540 Wp 20.90% 209.0 -0.328 0.50% 32.0 kg PERC Cool in heat, top 6%
BYD MLBK-36 545W BI 545 Wp 21.10% 211.0 -0.328 0.50% 32.0 kg PERC Cool in heat, top 6%
BYD MLBK-36 550W BI 550 Wp 21.29% 212.9 -0.328 0.50% 32.0 kg PERC Cool in heat, top 5%
BYD MLBK-36 555W BI 555 Wp 21.48% 214.8 -0.328 0.50% 32.0 kg TOPCon Modest efficiency
Huayao HSM-ND72-GF595 BI 595 Wp 23.00% 230.3 -0.280 - 30.6 kg TOPCon Cool in heat, top 4%
Huayao HSM-ND72-GF600 BI 600 Wp 23.20% 232.3 -0.280 - 30.6 kg TOPCon Cool in heat, top 7%
Huayao HSM-ND72-GF605 BI 605 Wp 23.40% 234.2 -0.280 - 30.6 kg TOPCon Cool in heat, top 7%
BYD NLBK-24-400 BI 400 Wp 15.48% 154.8 -0.300 -0.40% 30.0 kg TOPCon Slow degradation, top 1%
BYD NLBK-30-480W BI 480 Wp 22.18% 221.8 -0.300 -0.40% 25.2 kg TOPCon Slow degradation, top 1%
BYD NLBK-30-485W BI 485 Wp 22.42% 224.2 -0.300 -0.40% 25.2 kg TOPCon Slow degradation, top 1%
BYD HSBK-30-640 BI 640 Wp 22.61% 226.1 -0.260 0.40% 35.3 kg HJT Fast degradation
BYD HSBK-30-645 BI 645 Wp 22.79% 227.9 -0.260 0.40% 35.3 kg HJT Fast degradation
Axitec AC-580TGB/144TS BI 580 Wp 22.45% 224.5 -0.310 0.40% 31.2 kg TOPCon Weak in heat
Sunpro Power SPDG455-N96R12 BI 455 Wp 22.77% 227.7 -0.300 0.40% 23.8 kg TOPCon Weak in heat
Axitec AC-585TGB/144TS BI 585 Wp 22.65% 226.5 -0.310 0.40% 31.2 kg TOPCon Weak in heat
TCL Zhonghuan HSM-BD54-WA470 470 Wp 23.60% 235.9 -0.260 0.35% 21.5 kg Back Contact Typical across the board
TCL Zhonghuan HSM-BD54-WA475 475 Wp 23.80% 238.4 -0.260 0.35% 21.5 kg Back Contact Typical across the board
Sunpro Power SPDG630-N144RX10 BI 630 Wp 22.54% 225.4 -0.300 0.40% 33.6 kg TOPCon Weak in heat
Sunpro Power SPDG635-N144RX10 BI 635 Wp 22.72% 227.2 -0.300 0.40% 33.6 kg TOPCon Weak in heat
Sunpro Power SPDG640-N144RX10 BI 640 Wp 22.90% 229.0 -0.300 0.40% 33.6 kg TOPCon Weak in heat
Sunpro Power SP-96DSN445 BI 445 Wp 22.27% 222.7 -0.240 0.38% 23.0 kg HJT Fast degradation
Sunpro Power SP-96DSN450 BI 450 Wp 22.52% 225.2 -0.240 0.38% 23.0 kg HJT Fast degradation
Sunpro Power SP-96DSN455 BI 455 Wp 22.77% 227.7 -0.240 0.38% 23.0 kg HJT Fast degradation
Sunpro Power SP-96DSN460 BI 460 Wp 23.02% 230.2 -0.240 0.38% 23.0 kg HJT Fast degradation
Sunpro Power SP-210-132DS725 BI 725 Wp 23.34% 233.4 -0.240 0.30% 38.1 kg HJT Space-efficient, top 24%
Sunpro Power SP630W-210R-132DS BI 630 Wp 23.32% 233.2 -0.240 0.30% 32.6 kg HJT Light for its class, top 9%
Sunpro Power SPDG435-N108M10 435 Wp 22.28% 222.8 -0.300 0.40% 23.3 kg TOPCon Space-efficient, top 17%
Sunpro Power SPDG440-N108M10 440 Wp 22.53% 225.3 -0.300 0.40% 23.3 kg TOPCon Top 7% efficiency
Sunpro Power SPDG445-N108M10 BI 445 Wp 22.79% 227.9 -0.300 0.40% 23.3 kg TOPCon Space-efficient, top 2%
Sunpro Power SPDG505-N108R12 BI 505 Wp 22.72% 227.2 -0.300 0.40% 26.6 kg TOPCon Weak in heat
Sunpro Power SPDG510-N108R12 BI 510 Wp 22.95% 229.5 -0.300 0.40% 26.6 kg TOPCon Weak in heat
Sunpro Power SPDG515-N108R12 BI 515 Wp 23.17% 231.7 -0.300 0.40% 26.6 kg TOPCon Space-efficient, top 15%
Sunpro Power SPDG495-N120M10 BI 495 Wp 22.85% 228.5 -0.300 0.40% 26.0 kg TOPCon Weak in heat
Sunpro Power SPDG655-N120M12 BI 655 Wp 23.14% 231.4 -0.300 0.40% 34.2 kg TOPCon 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