These solar panels have a top ranked PVUSA (PTC) rating of 239.1 in California for higher energy production. Ultra reliable in a corrosive atmosphere, verified by IEC 61701 "Salt Mist Corrosion Testing" Blowing sand resistant for farm and desert environments The CS6P-600P has an industry leading plus power tolerance: +5W (+2%) 600/605 Wp Mono perc HC modules are readily available. Other Power Bin and specifications are available on demand. MOQ: 1 Mw Incoterms: CIF Payment Mode: TT/LC Note: We only deal in Mw requirements.