... solar cells 2.High efficiency of solar cell 19% 3.25 years lifespan 4.10 years warranty 200W Sun Panel , solar panel, solar panel module, mono solar ... panel, monocrystalline silicon solar panel module, solar cell plate. Specification Mono ST-M200 Nominal ... 72pcs ) Material 1. Class-A monocrystalline silicon solar cell 2. Best quality EVA layer 3. ...