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Panneau solaire 18v 10w
Source google image: https://ae01.alicdn.com/kf/HTB1o9kYJpXXXXatXXXXq6xXFXXXd/2pcs-lot-solar-panel-10w-polycrystalline-panneau-solaire-12v-fotovoltaica-module-20w-18v-solar-battery-china.jpg