link to Keproving 2pcs Mini Vertical Wind Turbine Generator Model for Teaching Physical Power Generation Principle and DIY Science Education Experiment

Keproving 2pcs Mini Vertical Wind Turbine Generator Model for Teaching Physical Power Generation Principle and DIY Science Education Experiment

Good choice for teaching physical DC wind power generation principle.As the model is packaged by completely accessory sets ,you need to assemble by yourself ,just enjoy the DIY fun .Advanced design...

link to TACKLIFE P40 400Wh 36000mAh Solar Generator 110V/300W AC/DC New Generation Portable Power Station with Multiple Outlets, Rechargeable Backup Power Supply for Outdoor Using

TACKLIFE P40 400Wh 36000mAh Solar Generator 110V/300W AC/DC New Generation Portable Power Station with Multiple Outlets, Rechargeable Backup Power Supply for Outdoor Using

Excellent outdoor power solution: 400Wh large capacity Lithium-ion battery with 80% DOD(Depth of Discharge) supports long battery endurance and high charging-discharging cycles, maximizing the...