Solar road stud is used on Highways, at parking lots, also used on curves on roads. Material:Cast Aluminum, Plastic, Glass Solar Panel Voltage:2V/100-200mAH, 3.5V/78-120mAH and etc Solar Panel Material:Monocrystalline silicon or polycrystalline silicon Battery Voltage:1.2V/600-800mAH, 2.4V/600mAH, 2.4/650mAH Battery Type:NI-MH, Li-Po, Super-capacitor
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