{"product_id":"ja-solar-540w-n-type-topcon-mbb-traceable-double-glass-bifacial-60-cell-black-frame-mc4","title":"JA Solar 540W N-Type TOPCon MBB Traceable Double Glass Bifacial 60 Cell Black Frame MC4","description":"\u003cdiv style=\"font-size:16px;line-height:1.65;color:#1a1a1a;font-family:Arial,Helvetica,sans-serif;max-width:900px;margin:0 auto;padding:0 16px;\"\u003e\n\n  \u003cp style=\"margin:0 0 16px;\"\u003eThe \u003cstrong\u003eJA Solar 540W N-Type TOPCon DeepBlue 4.0 Pro\u003c\/strong\u003e (Part No: \u003cstrong\u003eJAM60D-42-540-LB-TS-BF\u003c\/strong\u003e) is a premium 60-cell bifacial panel from one of the world's largest solar manufacturers. Advanced \u003cstrong\u003en-Bycium+ N-Type TOPCon cell technology\u003c\/strong\u003e with \u003cstrong\u003e16-busbar multi-busbar (MBB) half-cut cells\u003c\/strong\u003e delivers \u003cstrong\u003e23.1% module efficiency\u003c\/strong\u003e and an exceptionally low \u003cstrong\u003e0.4% annual degradation from Year 2\u003c\/strong\u003e. \u003cstrong\u003eAnti-glare double glass\u003c\/strong\u003e, \u003cstrong\u003e80% bifaciality\u003c\/strong\u003e, a \u003cstrong\u003eblack aluminium frame\u003c\/strong\u003e, and full \u003cstrong\u003esupply chain traceability\u003c\/strong\u003e make this an outstanding choice for residential and commercial solar installations demanding proven performance and long-term reliability.\u003c\/p\u003e\n\n  \u003cdiv style=\"display:flex;flex-wrap:wrap;gap:8px;margin:0 0 18px;\"\u003e\n    \u003cspan style=\"background:#008377CF;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003e540W Peak Power\u003c\/span\u003e\n    \u003cspan style=\"background:#008377CF;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003e23.1% Efficiency\u003c\/span\u003e\n    \u003cspan style=\"background:#008377CF;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003eN-Type TOPCon 16BB MBB\u003c\/span\u003e\n    \u003cspan style=\"background:#008377CF;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003eDouble Glass Bifacial 80%\u003c\/span\u003e\n    \u003cspan style=\"background:#008377CF;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003eAnti-Glare Coating\u003c\/span\u003e\n    \u003cspan style=\"background:#008377CF;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003eSupply Chain Traceable\u003c\/span\u003e\n    \u003cspan style=\"background:#005c54;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003e25yr Power \/ 30yr Performance Warranty\u003c\/span\u003e\n    \u003cspan style=\"background:#005c54;color:#fff;border-radius:20px;padding:5px 13px;font-size:13px;font-weight:600;\"\u003eMCS Certified · BNEF Tier 1 · TÜV SÜD\u003c\/span\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(120px,1fr));gap:10px;margin:0 0 20px;\"\u003e\n    \u003cdiv style=\"background:#008377CF;color:#fff;border-radius:10px;padding:12px 8px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:22px;font-weight:700;line-height:1;\"\u003e540W\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;margin-top:3px;opacity:.9;\"\u003ePeak Power (STC)\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#008377CF;color:#fff;border-radius:10px;padding:12px 8px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:22px;font-weight:700;line-height:1;\"\u003e23.1%\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;margin-top:3px;opacity:.9;\"\u003eModule Efficiency\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#008377CF;color:#fff;border-radius:10px;padding:12px 8px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:22px;font-weight:700;line-height:1;\"\u003e0.4%\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;margin-top:3px;opacity:.9;\"\u003eAnnual Degradation Yr2+\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#008377CF;color:#fff;border-radius:10px;padding:12px 8px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:22px;font-weight:700;line-height:1;\"\u003e80%\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;margin-top:3px;opacity:.9;\"\u003eBifaciality Factor\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#008377CF;color:#fff;border-radius:10px;padding:12px 8px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:22px;font-weight:700;line-height:1;\"\u003e30 yr\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;margin-top:3px;opacity:.9;\"\u003ePerformance Warranty\u003c\/div\u003e\n    \u003c\/div\u003e\n    \u003cdiv style=\"background:#008377CF;color:#fff;border-radius:10px;padding:12px 8px;text-align:center;\"\u003e\n      \u003cdiv style=\"font-size:22px;font-weight:700;line-height:1;\"\u003eIP68\u003c\/div\u003e\n      \u003cdiv style=\"font-size:12px;margin-top:3px;opacity:.9;\"\u003eJunction Box\u003c\/div\u003e\n    \u003c\/div\u003e\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border-left:4px solid #c0392b;background:#fff5f5;padding:10px 15px;border-radius:0 6px 6px 0;margin:0 0 9px;\"\u003e\n    \u003cstrong style=\"color:#c0392b;\"\u003eInstaller Requirement:\u003c\/strong\u003e Must be installed by an \u003cstrong\u003eMCS-accredited installer\u003c\/strong\u003e. UK grid-connected PV requires MCS certification for DNO compliance and \u003cstrong\u003eSmart Export Guarantee (SEG)\u003c\/strong\u003e eligibility. This panel is \u003cstrong\u003eMCS certified\u003c\/strong\u003e.\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border-left:4px solid #e67e22;background:#fffbf0;padding:10px 15px;border-radius:0 6px 6px 0;margin:0 0 9px;\"\u003e\n    \u003cstrong style=\"color:#e67e22;\"\u003eCompatibility Note:\u003c\/strong\u003e \u003cstrong\u003eMC4-EVO2A connectors\u003c\/strong\u003e. Max system voltage \u003cstrong\u003eDC 1500V\u003c\/strong\u003e, max fuse \u003cstrong\u003e30A\u003c\/strong\u003e. Cable lengths differ by orientation — portrait: 300 mm(+)\/400 mm(−); landscape: 1,200 mm each. Confirm wiring runs during system design and verify inverter MPPT string voltage window.\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"border-left:4px solid #008377CF;background:#e6f4f3;padding:10px 15px;border-radius:0 6px 6px 0;margin:0 0 20px;\"\u003e\n    \u003cstrong style=\"color:#005c54;\"\u003eDeepBlue 4.0 Pro Series:\u003c\/strong\u003e JA Solar's flagship module family built on \u003cstrong\u003en-Bycium+ TOPCon chemistry\u003c\/strong\u003e, \u003cstrong\u003e16BB MBB technology\u003c\/strong\u003e, and \u003cstrong\u003eanti-glare glass\u003c\/strong\u003e — designed for higher power, better LCOE, stronger low-light performance, and lower annual degradation than previous-generation PERC modules.\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:9px 15px;border-radius:6px 6px 0 0;font-size:17px;font-weight:700;margin:0 0 0;\"\u003eKey Features \u0026amp; Technology\u003c\/div\u003e\n  \u003cdiv style=\"display:grid;grid-template-columns:repeat(auto-fit,minmax(250px,1fr));gap:11px;margin:0 0 20px;border:1px solid #c8e6e3;border-top:none;border-radius:0 0 6px 6px;padding:11px;background:#f0faf9;\"\u003e\n\n    \u003cdiv style=\"background:#fff;border:1px solid #c8e6e3;border-radius:8px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#005c54;border-bottom:2px solid #008377CF;padding-bottom:4px;margin-bottom:7px;\"\u003eN-Type TOPCon — High Efficiency \u0026amp; Near-Zero LID\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003e\u003cstrong\u003eTOPCon (Tunnel Oxide Passivated Contact)\u003c\/strong\u003e applies an ultra-thin oxide to the rear of each N-Type cell, cutting recombination losses and delivering \u003cstrong\u003e23.1% module efficiency\u003c\/strong\u003e. The N-Type substrate eliminates \u003cstrong\u003eLID (Light-Induced Degradation)\u003c\/strong\u003e — meaning the panel produces close to rated power from day one and sustains output far longer than P-Type PERC modules.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#fff;border:1px solid #c8e6e3;border-radius:8px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#005c54;border-bottom:2px solid #008377CF;padding-bottom:4px;margin-bottom:7px;\"\u003e16BB MBB Half-Cut Design — Less Loss, Better Shading\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eSixteen ultra-fine busbars distribute current collection across the full cell area, reducing \u003cstrong\u003eresistive losses\u003c\/strong\u003e and improving \u003cstrong\u003eshade tolerance\u003c\/strong\u003e over standard 5–12 busbar cells. Half-cut cell architecture further reduces internal current per cell, lowering thermal losses and improving performance when partial shading occurs across a string.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#fff;border:1px solid #c8e6e3;border-radius:8px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#005c54;border-bottom:2px solid #008377CF;padding-bottom:4px;margin-bottom:7px;\"\u003eAnti-Glare Double Glass · 80% Bifaciality\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003e\u003cstrong\u003e2.0 + 2.0 mm tempered double glass\u003c\/strong\u003e with an \u003cstrong\u003eanti-glare front coating\u003c\/strong\u003e delivers superior moisture resistance, mechanical strength, and reduced reflective light pollution. The \u003cstrong\u003e80% bifaciality factor\u003c\/strong\u003e captures reflected rear irradiance to push real-world yield above the rated STC figure on suitable installations.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n    \u003cdiv style=\"background:#fff;border:1px solid #c8e6e3;border-radius:8px;padding:13px;\"\u003e\n      \u003cdiv style=\"font-weight:700;color:#005c54;border-bottom:2px solid #008377CF;padding-bottom:4px;margin-bottom:7px;\"\u003e0.4%\/yr Degradation · Supply Chain Traceable\u003c\/div\u003e\n      \u003cp style=\"margin:0;font-size:15px;\"\u003eGuaranteed \u003cstrong\u003e≤1% Year 1\u003c\/strong\u003e and \u003cstrong\u003e≤0.4%\/yr from Year 2\u003c\/strong\u003e — significantly below the 0.55–0.70%\/yr of PERC panels — retaining \u003cstrong\u003e≥87.4% output at Year 30\u003c\/strong\u003e. The \u003cstrong\u003e-TS- traceability designation\u003c\/strong\u003e provides auditable, documented sourcing for all materials, meeting the requirements of ESG procurement policies, project finance lenders, and public-sector frameworks.\u003c\/p\u003e\n    \u003c\/div\u003e\n\n  \u003c\/div\u003e\n\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:9px 15px;border-radius:6px 6px 0 0;font-size:17px;font-weight:700;margin:0;\"\u003eSpecifications\u003c\/div\u003e\n  \u003ctable style=\"width:100%;border-collapse:collapse;margin:0 0 20px;font-size:15px;border:1px solid #c8e6e3;border-top:none;\"\u003e\n    \u003cthead\u003e\u003ctr style=\"background:#005c54;color:#fff;\"\u003e\n      \u003cth style=\"padding:8px 11px;text-align:left;width:46%;\"\u003eParameter\u003c\/th\u003e\n      \u003cth style=\"padding:8px 11px;text-align:left;\"\u003eValue\u003c\/th\u003e\n    \u003c\/tr\u003e\u003c\/thead\u003e\n    \u003ctbody\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003ePart Number\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003eJAM60D-42-540-LB-TS-BF\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eModel · Series\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003eJAM60D42-540\/LB · DeepBlue 4.0 Pro · JA Solar Technology Co., Ltd.\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003ePeak Power (STC) · Tolerance\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e\n\u003cstrong\u003e540 W\u003c\/strong\u003e · 0 \/ +3%\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eModule Efficiency\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e\u003cstrong\u003e23.1%\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eVmp \/ Imp\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e37.25 V \/ 14.50 A\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eVoc \/ Isc\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e44.33 V \/ 15.36 A\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eTemp Coeff Pmax \/ Voc \/ Isc\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e−0.29% \/ −0.25% \/ +0.045% per °C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eNOCT · Operating Temp\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e45 ± 2°C · −40°C to +85°C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eCell Technology · Size\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003eN-Type TOPCon (n-Bycium+) · 16BB MBB Half-Cut · 182 mm wafer\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eCell Count\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e120 cells (6×20) · 60-cell equivalent\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eGlass · Frame\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e2.0 + 2.0 mm tempered double glass, anti-glare front · Black aluminium\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eDimensions (L × W × D)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e2,063 × 1,134 × 30 mm (±2 mm)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eWeight\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e28.8 kg\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eJunction Box · Connector\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003eIP68, 3 bypass diodes · MC4-EVO2A (QC 4.10-351)\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eCable (4 mm²)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003ePortrait: 300 mm(+) \/ 400 mm(−) · Landscape: 1,200 mm each\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eBifaciality · Max System Voltage\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e80% ±10% · DC 1500 V\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eMax Fuse · Max Load (Front\/Rear)\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e30 A · +5,400 Pa \/ −2,400 Pa\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eSafety \/ Fire Class\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003eClass II · IEC Class C\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eDegradation\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e≤1% Yr 1 · ≤0.4%\/yr Yr 2–30 · ≥87.4% at Yr 30\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eWarranties\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e\u003cstrong\u003e25-year power output · 30-year performance warranty\u003c\/strong\u003e\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#f0faf9;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003ePallet \/ Container Qty\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003e36 panels\/pallet · 792 pcs\/40HQ\u003c\/td\u003e\n\u003c\/tr\u003e\n      \u003ctr style=\"background:#fff;\"\u003e\n\u003ctd style=\"padding:6px 11px;font-weight:600;\"\u003eCertifications\u003c\/td\u003e\n\u003ctd style=\"padding:6px 11px;\"\u003eMCS · IEC 61215 · IEC 61730 · UL 61215\/61730 · ISO 9001\/14001\/45001 · IEC 62941:2019 · TÜV SÜD · BloombergNEF Tier 1\u003c\/td\u003e\n\u003c\/tr\u003e\n    \u003c\/tbody\u003e\n  \u003c\/table\u003e\n\n  \u003cdiv style=\"background:#008377CF;color:#fff;padding:9px 15px;border-radius:6px 6px 0 0;font-size:17px;font-weight:700;margin:0 0 0;\"\u003eFrequently Asked Questions\u003c\/div\u003e\n  \u003cdiv style=\"border:1px solid #c8e6e3;border-top:none;border-radius:0 0 6px 6px;overflow:hidden;margin:0 0 8px;\"\u003e\n\n    \u003cdetails style=\"border-bottom:1px solid #c8e6e3;\"\u003e\n      \u003csummary style=\"padding:11px 15px;font-weight:600;cursor:pointer;background:#f0faf9;list-style:none;\"\u003eWhat is TOPCon and how does it compare to PERC?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:10px 15px;font-size:15px;\"\u003e\n\u003cstrong\u003eTOPCon (Tunnel Oxide Passivated Contact)\u003c\/strong\u003e applies an ultra-thin oxide layer to the rear of each N-Type cell, reducing electron recombination and raising efficiency to \u003cstrong\u003e23.1% module level\u003c\/strong\u003e. Versus P-Type PERC: inherently lower \u003cstrong\u003eLID\u003c\/strong\u003e, better low-light response, and just \u003cstrong\u003e0.4%\/year degradation\u003c\/strong\u003e versus 0.55–0.70%\/yr for PERC — generating substantially more energy over a 30-year system life.\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border-bottom:1px solid #c8e6e3;\"\u003e\n      \u003csummary style=\"padding:11px 15px;font-weight:600;cursor:pointer;background:#fff;list-style:none;\"\u003eWhat does the anti-glare coating do and when does it matter?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:10px 15px;font-size:15px;\"\u003eStandard solar glass reflects sunlight which can cause glare visible to neighbours or road users. JA Solar's \u003cstrong\u003eanti-glare front glass\u003c\/strong\u003e diffuses these reflections significantly — increasingly required for \u003cstrong\u003eplanning applications, commercial rooftops, and community projects\u003c\/strong\u003e where glare impact assessments apply. It does not reduce light transmission or affect energy output.\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails style=\"border-bottom:1px solid #c8e6e3;\"\u003e\n      \u003csummary style=\"padding:11px 15px;font-weight:600;cursor:pointer;background:#f0faf9;list-style:none;\"\u003eWhat does the \"TS\" Traceable designation mean?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:10px 15px;font-size:15px;\"\u003eThe \u003cstrong\u003e-TS-\u003c\/strong\u003e suffix confirms JA Solar's \u003cstrong\u003esupply chain traceability programme\u003c\/strong\u003e — auditable documentation covering silicon, wafers, cells, glass, and frame. Required by \u003cstrong\u003eproject finance lenders, ESG procurement policies, and public-sector frameworks\u003c\/strong\u003e as evidence of responsible sourcing. It is a compliance credential, separate from technical performance specifications.\u003c\/div\u003e\n    \u003c\/details\u003e\n\n    \u003cdetails\u003e\n      \u003csummary style=\"padding:11px 15px;font-weight:600;cursor:pointer;background:#fff;list-style:none;\"\u003eHow much extra energy does the bifacial design produce?\u003c\/summary\u003e\n      \u003cdiv style=\"padding:10px 15px;font-size:15px;\"\u003eWith an \u003cstrong\u003e80% bifaciality factor\u003c\/strong\u003e, the rear surface can produce up to 80% of front-side irradiance equivalent. Real-world gain depends heavily on installation — \u003cstrong\u003eraised flat-roof or ground-mount systems on light-coloured surfaces\u003c\/strong\u003e deliver the most bifacial benefit. Closely fitted pitched roof tiles with minimal rear clearance offer limited rear irradiance and therefore minimal bifacial gain.\u003c\/div\u003e\n    \u003c\/details\u003e\n\n  \u003c\/div\u003e\n\n\u003c\/div\u003e","brand":"JA Solar","offers":[{"title":"Default Title","offer_id":63403127898461,"sku":"JAM60D-42-540-LB-TS-BF","price":117.0,"currency_code":"GBP","in_stock":true}],"thumbnail_url":"\/\/cdn.shopify.com\/s\/files\/1\/0958\/2051\/3629\/files\/JAM60D-41-500-LB-TS-AB-MC4500WN-typeTOPConTraceable_DoubleGlassBifacial_60Cell_AllBlack_MC4.webp?v=1770919883","url":"https:\/\/qualityheating.co.uk\/products\/ja-solar-540w-n-type-topcon-mbb-traceable-double-glass-bifacial-60-cell-black-frame-mc4","provider":"AIZO Quality Heating","version":"1.0","type":"link"}