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Anker 48W PowerDrive+ III Duo 2-Port USB-C PIQ 3.0 Car Charger EXPIRED

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AnkerDirect via Amazon has Anker 48W PowerDrive+ III Duo 2-Port USB-C PIQ 3.0 Car Charger on sale for $17.99 when you clip the $2 off coupon found on the product page and checkout with Subscribe and Save (select the later date from the "First Delivery On" menu). Shipping is free. Thanks Hikariz & bagoshi

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Edited January 17, 2020 at 08:30 AM by
Good price for Anker 48W car charger.

https://www.amazon.com/dp/B07YY7K...pldnSite=1

$17.99 when you clip the $2 off coupon found on the product page
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Recent popularity on PowerDelivery chargers with multi ports is that, when one port is in use, it will draw the charger's maximum output but with 2 ports being used, it shares the maximum output between two ports.

For example, a 48W charger could output 48W when only 1 port is used, but when two ports are used, it will output 24W respectively.

Although for this particular charger, it does not have this "output share" function.

So the maximum output you will receive from Port 1 is 30W and from Port 2, 18W.

But, one thing to keep in mind is that when charging lithium ion batteries, the charging efficiency gradually reduces.
Your laptop may be able to receive 45W PowerDelivery input, but as your laptop battery reaches 100% charge, it will slow down to 30W, 18W, 10W and so on.

It does this because of:
1. heat build-up (to reduce the heat output by the battery when charging at high wattage)
2. safety - lithium ion batteries becomes more and more unstable as it reaches its peak charge.

So in other words, although your laptop can charge at 45W, it will drop down to 30W most likely around 50~70% battery capacity charge.

If you want to save a couple bucks, it wont make a huge difference if you take this 30W charger.
But to get the best charging performance, go with the 45W PD specced charger.
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#3
Anker 48W 2-Port PIQ 3.0 Fast USB C Car Charger, PowerDrive+ III Duo for $19.99 *Price Drop*
Product Link [amazon.com]
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Last edited by dimjim January 15, 2020 at 02:37 PM.
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#4
$17.99 for me, there's a $2 coupon.
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#5
Same here
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Quote from Cappy123
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Same here
enough to cover the tax. takes op!
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#7
Lol I ordered 2 of these a few hours ago thinking to myself, wow what a great deal.
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#8
in the picture it says 18w one port, 30w the other port. If my laptop takes 45w to charge, will it charge it slowly at all at 30w? Or will it adopt and put all 48 available watts in one port?
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01-15-2020 at 02:59 PM
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01-15-2020 at 03:16 PM
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Quote from chumpsky2010
:
in the picture it says 18w one port, 30w the other port. If my laptop takes 45w to charge, will it charge it slowly at all at 30w? Or will it adopt and put all 48 available watts in one port?
I'm a little confused about this in general. USB-PD doesn't support a 30W profile. It goes from 27W (3A@9V) to 45W (3A@15V). I can't imagine this thing pulls more than 3A, so you'd need 10V, which isn't part of any standard I'm aware of.

48W doesn't match any standard, either, so the best you could hope for is 45W. If I had to guess, I'd say that each port is capped at 30W, but won't get more than 27W. It's BS marketing.

This gets a TD from me. The $12 unit that has a USB-C and USB-A port is a better buy, IMO.
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Last edited by rczrider January 15, 2020 at 03:42 PM.
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#12
Quote from chumpsky2010
:
in the picture it says 18w one port, 30w the other port. If my laptop takes 45w to charge, will it charge it slowly at all at 30w? Or will it adopt and put all 48 available watts in one port?
no, it has 2 ports

30W USB C Output: 5V ⎓2.4 A / 9V ⎓ 3A / 15V ⎓ 2A / 20V ⎓ 1.5A / 9V⎓2A / 12V⎓1.5A
18W USB C Output: 5V ⎓ 2.4A / 9V ⎓ 2A / 12V⎓1.5A
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Quote from Christopher1037
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$20 for this type of thing just not worth it in my opinion regardless of how quality it may be.
For 2 ports it's probably worth it ... like your iphone in one and a macbook/ipad in another ... but most people don't need 2 ports
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01-15-2020 at 03:52 PM
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Quote from Christopher1037
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$20 for this type of thing just not worth it in my opinion regardless of how quality it may be.
It's 18W charging and not 5W or 12W.
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