LONGI LR4-60HPB-350M (350 watts)

Original price was: $302.00.Current price is: $188.00.

$0.53/watt | 350 watts | Mono | Black frame & Backsheet | 120 Cells | MC4-type connectors | LONGI Solar LogoHigh efficiency mono solar panels at a competitive price | Minimum Order: 3

Out of stock

SKU: PV-L-2269 Categories: ,


350 watt Mono Solar Panel with Black Frame and Backsheet (BOB)

Quality and Affordability from LONGI

Longi Solar, founded in 2000,  is the largest supplier of mono crystalline silicon wafers in the world with more than 2.7 billion in sales in 2016 and has shipped over 4.5 gigawatts of high efficiency mono modules in 2017. The company invests heavily in R&D.  LONGI has been making solar cells for many companies, including Canadian Solar, and may consider adding US manufacturing.

Features of the LONGI LR4-60HPb 350 watt Solar Panel

  • 120 half cut monocrystalline solar cells
  • Black frame on black back sheet (BOB)
  • Series Fuse Rating 20A
  • PID (Potential Induced Degradation) resistance ensured by solar cell process optimization and careful module BOM selection
  • Module efficiency 19.2%
  • Low irradiance and temperature coefficient with PID resistance
  • Adaptable to harsh environments (5400Pa for snow load on front and 2400Pa for wind load on rear side)
  • 1.38 inch (35 mm) black frame with white backsheet anodized aluminium alloy frame
  • Maximum string voltage 1000 VDC
  • Short circuit current (Isc) 11.16 A; 20 amp fuse
  • Operating Voltage (Vmp) 34.4 V
  • Operating Current (Imp) 10.18 A
  • Open Circuit Voltage (Voc) 40.4 V
  • Power tolerance 0~+5W
  • Long term system reliability with IP67 Junction Box; 3 bypass diodes
  • MC4-type connectors
  • 25-year warranty (annual power attenuation -0.55%)
  • 10-year product warranty on materials and workmanship


pdficon_largeLONGI Solar LR4-60HPB-345 to 370M Series Specifications


Additional information

Weight43 lbs
Dimensions69.1 × 40.87 × 1.38 in

10 year warranty for Materials and Processing
25 year warranty for Extra Linear Power Output (see spec sheet)


IEC 61215, IEC61730, UL1703
ISO 9001:2008: ISO Quality Management System
ISO 14001:2004: ISO Environmental Management System
TS62941: Guideline for module design qualification and type approval
OHSAS 18001: 2007 Occupational Health and Safety
Fire Class Class A

# panels per pallet