... size and requirement.OEM: we can produce solar panel with customer’s brand if authorized. Monocrystalline/polycrystalline solar panels:1) Mono crystalline or poly ... 2WP to 300WP, voltage 18v/36v.3) A grade and high efficiency of cell, low-carbon toughened glass.4) 5 years ... : CE, IEC,TUV.8) Packing method: carton, wooden case, pallet. Monocrystalline solar panel price per watt 0.5usd to 0.75usd ...