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Panneau solaire 24v 250w
Source google image: https://ae01.alicdn.com/kf/HTB1WuF0X0fvK1RjSspoq6zfNpXal/Waterproof-Roof-System-5-KW-5000W-Panneaux-Solaire-24V-250W-20-Pcs-Solar-Battery-Charger-Solar.jpg