▪ Industry-leading module efficiency: the highest efficiency is 20.17%

▪ 0~3% positive power tolerance improves system performance

▪ High-tech aluminum alloy frame, certified for high snow (5400Pa) and wind load (4000Pa)

▪ IP68 junction box, long-term weather resistance

▪ Resistant to salt spray and ammonia, suitable for seaside and farm environments

▪ Excellent performance in low light conditions

▪ Up to 10% reduction in logistics costs due to higher module capacity per container

  • Free local delivery
    Free local delivery
  • 25-year power supply warranty
    25-year power supply warranty
  • Lifetime Customer Support
    Lifetime Customer Support
Certifications and Standards
158mm 400w monocrystalline solar panel certifications and standards
158mm 400w monocrystalline solar panel
158mm 400w monocrystalline solar panel
design attributes
Glass3.2mm low-iron tempered glass with anti-reflective coating
Junction BoxIP68 with 3 bypass diodes
Output<D4.0mm2, 1200mm
ConnectorMC4 compatible
Package30pcs/ pallet, 660pcs/ container (HQ)
IV curve
158mm 400w monocrystalline solar panel IV curve
Electrical performance
Electrical Performance@STCJS380MJS385MJS390MJS395MJS400M
Maximum power Pmax[ Wp]380385390395400
Maximum supply voltage Vmpp(V)39.1039.3039.5039.739.9
maximum. Supply current lmpp(A)9.729.89.889.9510.02
Open circuit voltage Voc(V)46.7447.0647.1447.2847.38
Short circuit current lsc(A)10.1810.210.2510.3210.39
Module efficiency (%)19.18%19.43%19.69%19.9%21.17%
Electrical performance parameters
LSC temperature coefficient α (%/C)+0.06maximum. Series Fuses15A
VOC temperature coefficient β(%/°C)-0.34maximum. system voltageInternational Electrotechnical Commission1500V
Pmax temperature coefficient v (%/°C)-0.37Nominal Operating Cell Temperature (NOCT)42℃±2℃

Nominal test conditions for IV parameters are standard test conditions (irradiance 10.0 Wm7, AM 1.5, cell temperature 25'°C) All measurements are guaranteed at laminate leads. NOCT measures wind speed at 800 W/m², 20C ambient temperature, and 1 m/s. Specifications are subject to change without notice.

JS Solar reserves the right of final interpretation and revision of this data sheet.

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