backpack School bag with ventilation backpanel Well padded air mesh shoulder strap Water repellant Competitive Price Cute Design School Backpack Specificat
solar bag system 1, solar panels Parameters: 1W 2, battery parameters: LI-ION 3.6V 1500MAH 3, transfer connectors: 7 4, the sun will give mobile phone charge-charge s
solar cooler bag 1. Solar panels power: 4W 2. Built Environment LI-ION Battery: 12V, 2A 3. Temperature control range: 15 ± 5 °C 4. Supply Voltage: 12V DC 5
HOT solar backpack 1, solar panels Parameters: 1W 2, battery parameters: LI-ION 3.6V 1500MAH 3, transfer connectors: 7 4, the sun will give mobile phone charge-charge s
solar bags 1, solar panels Parameters: 1W 2, battery parameters: LI-ION 3.6V 1500MAH 3, transfer connectors: 7 4, the sun will give mobile phone charge-charge s