Voltaic Systems OffGrid 10 Watt Rapid Solar Backpack Charger vs. SUNKINGDOM Laptop Backpack USB Charger
The Voltaic Systems OffGrid 10 Watt Rapid Solar Backpack Charger is one of the most powerful solar backpack chargers. It can charge all smartphones, DSLR cameras and other USB devices as fast as at home thanks to its SunPower 10 Watt solar panel.
SUNKINGDOM Laptop Backpack USB Charger is another strong contender in this arena. This may be largely due to its cheaper price. But is has some drawbacks according to several reviewers. For one, the 2 panels are separate and not connected. This is a serious drawback in terms of usability and power.
Check Chart Below
Between the two backpacks Voltaic Systems and SUNKINGDOM, Voltaic Systems comes out on top. With different compartments and all three panel connected it has a higher output compared to SUNKINGDOM.
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