4.2W 18V Polycrystalline Silicon Solar Cell for DIY Charger-7.39 and Free Shipping

4.2W 18V Polycrystalline Silicon Solar Cell for DIY Charger-7.39 and Free Shipping

Main Features: The solar cell is used for DIY charger or making experiments It can multiple series or parallel to produce electricity With small size, easy to be operated Polycrystalline silicon made, very environmental friendly Solar cell specification: 4.2W / 18V

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