Longi LR5-54-HPH-415M - 415W photovoltaic module The Longi LR5-54-HPH-415M is a state-of-the-art photovoltaic panel that offers advanced Half-Cell technology and high energy efficiency. With its elegant black frame and robust design, the module is the ideal choice for demanding users. Key features: Model: Longi LR5-54-HPH-415M Cell technology: Half-Cell Module efficiency: Maximum up to 21.8% Power tolerance: 0 ~ +3% Power degradation in the first year: <2% Annual degradation (after first year): 0.55% Line life: 25 years Mechanical parameters: Cell orientation: 108 (6 × 18) Frame: Anodized aluminum black frame Glass: Single 3.2 mm thick toughened glass Junction box: IP68, with three diodes Module dimensions: 1722 × 1134 × 30 mm Weight: 20.8 kg Output cable: 4 mm², length 1200 mm (adaptable) Packing: 36 units per pallet Electrical parameters (STC): Maximum power (Pmax): 415 W Open circuit voltage (Voc): 37.50 V Short-circuit current (Isc): 13.21 A Voltage at maximum power (Vmp): 31.49 V Current at maximum power (Imp): 13.18 A Electrical parameters (NOCT): Maximum power (Pmax): 313.9 W Open circuit voltage (Voc): 35.26 V Short-circuit current (Isc): 11.38 A Voltage at maximum power (Vmp): 29.47 V Current at maximum power (Imp): 10.65 A Operating parameters: Operating temperature range: -40°C to +85°C Nominal operating temperature of the cell: 45 ± 2°C Maximum fuse series: 25 A Output power tolerance: ±3% Safety certifications: Class I (UL type 1 or 2, IEC class C) Mechanical loads: Front: 5400 Pa Rear: 2400 Pa Hail resistance test: Hail diameter 25 mm at 23 m/s Operating temperature (STC): Temperature coefficient of short circuit current (Isc): +0.050%/°C Temperature coefficient of open circuit voltage (Voc): -0.260%/°C Temperature coefficient of maximum power (Pmax): -0.340%/°C Certifications and standards: Quality certifications: IEC 61215, IEC 61730, UL 61730 Management certifications: ISO9001:2015 (Quality management) ISO14001:2015 (Environmental management) ISO45001:2018 (Occupational health and safety) IEC62941 (Module design and testing) Warranties: Materials and workmanship: 12 years Linear output power: 25 years (84.8% of initial power after 25 years)