- 10400 mAh with Grade A Cell and Premium microchip
- Dual USB Ports provide full speed charges up to 5V / 2A
- Input 5V / 2A to halve recharging time
Tests so far so good.
12/27/2015
This review is from: FREMO P100 Plus 10400 mAh Power Bank External Battery Charger for PS Vita, Smartphones and Tablets
Pros:
Lots of power; has charged my Samsung S4 for days so far. Confidence-inspiring weight. Begins charging immediately when connected (their 5200mAH unit does not). Sturdy aluminum case
Cons:
Does not include a flashlight. Shape is a little awkward for a pocket
Overall Review:
Four eggs because I'm still testing, and can't speak to product longevity; and since some similar products have a flashlight, this one deserves a lower rating for not having one.
Apparently contains 10400 mAH of 3.7V cells. That's on the label, so not hidden, but since there are losses when that 3.7V is raised to 5.1V for the output, actual capacity may seem lower. This is basic electronics, not why there's one less egg.
As many days as this has kept my phone charged, I expect it will indeed take hours to charge. A typical phone charger outputs 1A; that's a ten-hour charge time from "empty," before accounting for reasonable losses; a 13 hour charge time would not be unreasonable. A PC's USB 2.0 port outputs 500mA, so double it.
I anticipate buying more of these for friends.
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- Joseph T.
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Verified Owner
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Owned For:
1 week to 1 month
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