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popularitsamazeling | Staff posted Yesterday 07:01 PM
popularitsamazeling | Staff posted Yesterday 07:01 PM

JoyFar 30,000mAh 65W Laptop Travel Powerbank w/ Built-in Cables $34.99 + Free Shipping w/ Prime

$35

$120

70% off
Woot!
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Woot [woot.com] has JoyFar 30,000mAh 65W Laptop Travel Powerbank w/ Built-in Cables for $34.99. Shipping is free w/ Prime. Otherwise shipping is $6.

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Woot [woot.com] has JoyFar 30,000mAh 65W Laptop Travel Powerbank w/ Built-in Cables for $34.99. Shipping is free w/ Prime. Otherwise shipping is $6.

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Yesterday 07:54 PM
85 Posts
Joined Dec 2020
CrunchytoiletpaperYesterday 07:54 PM
85 Posts
anyone know what the actual/usable capacity is
Yesterday 08:37 PM
407 Posts
Joined Dec 2003
roosterYesterday 08:37 PM
407 Posts
Limit on flights is 27,000 mAh. This isn't exactly travel-friendly. For other uses it seems fine
1
Yesterday 11:04 PM
1,080 Posts
Joined May 2009
hajalie24Yesterday 11:04 PM
1,080 Posts
Quote from Crunchytoiletpaper :
anyone know what the actual/usable capacity is
I got this last time and it's close to my 20k mAh battery.

I never expected it to actually be 30k, but I was surprised it does the Samsung "Super Fast Charging" standard which is great and is now my go to power bank for my phone.

I used one of those USB tester thingies, it measured 82 watt hours spent when charging it from 0-100. When discharging it 100-0, I got about 62 watt hours coming out. My 5 year old 20k mAh battery that I did not take good care of got 57 watt hours when I discharged it.

It's so silly they label these as 30k mAh, no one believes them anyway but if TSA catches sight of the label it'll cause issues. Thinking of scratching it off on mine lol. You can also tell by the size its nowhere close to stated specs.
Yesterday 11:39 PM
1,357 Posts
Joined Dec 2008
madcow3417Yesterday 11:39 PM
1,357 Posts
I checked out their website to see if there was a rounding error in advertising or something. mAh is a shitty way to define capacity anyway. The pictures of the powerbank are higher resolution and they confirm: 30,000mAh, 115.5Wh. Not allowed on airplanes.

https://joyfar.co/products/portab...able-22-5w
1
Today 12:31 AM
4 Posts
Joined Feb 2008
soulball92Today 12:31 AM
4 Posts
Walmart is cheaper $18

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