... ,To All SmartPhone & Ipad monocrystal silicon solar mobile phone charger 5v rohs monocrystaline silicon solar power battery Size and weight140*88*23 ... mm,NG:281G,GW:703GTechnical Parameter1.Solar panel:5.5 V,3W 2.Solar conversion efficiency above 17%3.Built-in ... Color optional black, red, yellow,blue,green LEMI portable 5200mah monocrystalline silicon solar mobile phone charger