Gallery View: Efficient power systems boost charger backpacks

The 318x175mm built-in PV panel of Guangzhou Weiyu Leather Product Co. Ltd's model 1675 hydration backpack can be used to charge mobile phones. The bag has a nylon shell and padded shoulder straps. It measures 31x14x51cm and can be used for cycling. Custom designs are welcome. The product goes for $22 to $25 for an MOQ of 300 pieces.

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The model MZ151806 laptop backpack from Huian Mingzhou Light Industry Bags Co. Ltd incorporates a 3.5W solar panel, 2,200mAh water-resistant power bank and backup battery for charging personal electronics. It has a built-in USB cable and 10 specialized compartments. The 46x32x20cm bag is made of polyester. Price is $5 to $18 for a minimum order of 1,000 pieces.

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Quanzhou Sandoo Bags & Cases Co. Ltd's model SS3601-039-5 hiking backpack features a detachable PV panel that can generate 4W and comes with a voltage stability controller. It has a padded back panel and adjustable shoulder straps. The bag incorporates a zipped main and water bottle compartments, a water bladder and a felt-lined tablet PC pocket. Product dimensions are 33x18x50cm while weight is 3.52oz. Black and red are the color options. For a minimum order of 300 pieces, the solar backpack lists at $20 to $35.

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The KY-SBP-030 model from Shenzhen Kaya Fashional Technology Co. Ltd uses a 6.5W PV panel and a 5VDC USB port to charge various personal devices, including laptops, tablet PCs, digital cameras, GPS trackers, MP3/MP4 players and mobile phones. The backpack suits camping, hiking and cycling. Made of polyester or nylon, the bag has two zipped external and two side pockets, and a laptop compartment. It also comes with a rain cover. The model measures 47x33x10cm. Colors and logos can be buyer-specified. The backpack is priced at $55 to $60. An MOQ of 10 pieces is required.

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Shenzhen Lonsem Solar Technology Co. Ltd offers the FC-SPB-001 model that features an 8W 1.6A laminated monocrystalline silicon PV panel. The outdoor backpack utilizes water-resistant polyester, and comes with a top compartment, two concealed zipped side pockets and a waist bag. It measures 58x30x21cm and weighs 1.1kg. Load capacity is 40 to 50L. Custom colors are accepted. The bag goes for $29 to $39. Minimum orderis 100 pieces

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The model MHT409 smart backpack from Shenzhen Midhightial Technology Co. Ltd has a built-in 8,000mAh battery and two USB ports for charging personal electronics. Users can monitor charging status via the accompanying RaySmartTM mobile app. This also keeps owners informed of the bag's location through its Bluetooth proximity locator. The backpack is made of nylon and measures 4.5x13.5x23in. It weighs 1kg. Black and gray are the standard colors but these can be customized. Price is $45 to $48 for an MOQ of 500 pieces.

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