Daily Deal: Solar 30000mAh Battery Pack with Flashlight
from the good-deals-on-cool-stuff dept
You don't have to worry about keeping your devices charged up with this $45 Solar 30000mAh Battery Pack. This battery pack uses the power of the sun to charge its high-capacity rechargeable Li-ion battery. It has a built-in flashlight and it's small and light enough to slip into your bag so you can always keep it nearby.
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Won't work
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Not a deal
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Two comments.
Inexpensive Chinese batteries typically overstate their capacity by a factor of 3. This is probably not a 30 Ah battery. There's no way to know for sure of course, not without analyzing the battery. How many consumers know to do that? That's precisely what the seller is counting on!
Next, the little built-in solar panel would take a week or more of direct sunlight to charge that battery. And even then the li-po charging method (CC/CV) is such that it may never charge it to 100%. Like ever. You are far better off getting a 15W folding solar panel, and either charging your phone directly or charging an intermediate battery and then charge the phone from that overnight (no sun). There is no substitute to surface area when it comes to solar panels.....
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