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Monoprice 100W 4-Port USB-C GaN Fast Wall Charger $36 + Free Shipping

$36.00
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Monoprice [monoprice.com] - 100W 4-Port USB-C GaN Fast Wall Charger (43556) $36
Shipping is Free

About this item:
  • Compact Size for Travel and Everyday Use
  • 2x USB Type‑C and 2x USB Type‑A Outputs
  • 100W High Power Output
  • Fast Charging with USB Power Delivery (2.5x faster than conventional charging methods)
  • Latest GaN (Gallium Nitride) Charging Technology
  • Charges Laptops, Tablets, Phones, Earphones, etc.
Output Power:
  • C1: 100W
  • C2: 100W
  • A1: 30W
  • A2: 30W
  • C1+C2: 65W+30W
  • C1+C2+A1: 45W+30W+18W
  • C1+C2+A1+A2: 45W+30W+7.5W+7.5W
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macosxfan asked this question on 08-16-2022 at 10:11 AM
08-16-2022 at 10:11 AM
I use it for macbook air M1 and it works fine for traveling.

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#2
I bought 2 of these and returned it. Both had a problem where it would keep connecting and disconnecting. Not sure why they keep peddling this garbage.
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#3
Quote from ymarker :
I bought 2 of these and returned it. Both had a problem where it would keep connecting and disconnecting. Not sure why they keep peddling this garbage.
works fine for me. nintendo switch kept connecting/disconnecting, but it was my cable. after switching cables, it no longer kept connecting/disconnecting.
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#4
Can this be used to charge a MacBook Pro?
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#5
Quote from macosxfan :
Can this be used to charge a MacBook Pro?
I use it for macbook air M1 and it works fine for traveling.
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#6
Quote from bonuschickens :
works fine for me. nintendo switch kept connecting/disconnecting, but it was my cable. after switching cables, it no longer kept connecting/disconnecting.
It only happened when I had multiple devices connected at the same time. It'd work fine if it was the only device plugged (regardless of cable used).
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#7
My problem with this is, it's causing some weird interference with touch device, like phone touch screen, or laptop touchpad. On phone touch screen, I'm not sure what's the actual term, but it's causing some phantom touches when you touch the screen, For example, if you pinch to zoon and hold it, the screen will jitter, as if there are more than 2 fingers touching randomly.
On laptop touchpad, it's causing some weird delay/interference that makes your mouse movement feel slow and delayed.

I've tried multiple cable, from OEM samsung superfast charging cable, to 100watt anker cables, to thunderbolt 3 cable.
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#8
Quote from ymarker :
I bought 2 of these and returned it. Both had a problem where it would keep connecting and disconnecting. Not sure why they keep peddling this garbage.
I purchased this last time it was on sale. I've noticed that it will re-negotiate ALL connections whenever anything is plugged in or unplugged. I'm not sure if that's what you were seeing, but it is a behavior that I believe is as designed because of the varying amperage ratings depending on which ports are used. So far mine has worked well. Charged two phones, a smartwatch, and a Steam Deck at the same time just fine.
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#9
Many report problems with this charger in the previous deal

https://slickdeals.net/share/iphone_app/fp/736966
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#10
Quote from ymarker :
It only happened when I had multiple devices connected at the same time. It'd work fine if it was the only device plugged (regardless of cable used).
Have to follow the units guideline on how much each port gives out max when multiple ports are used. Obviously if it's cutting in and out its most likely not giving your device enough. Best way to know is with a meter.
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#11
Quote from Meribela_S :
Have to follow the units guideline on how much each port gives out max when multiple ports are used. Obviously if it's cutting in and out its most likely not giving your device enough. Best way to know is with a meter.
Old apple watch x2. No where close to the limit. If I just charge 1x apple watch works perfectly tho.
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#12
Quote from ymarker :
Old apple watch x2. No where close to the limit. If I just charge 1x apple watch works perfectly tho.
Bad unit. I say common amongst the various chines brands that I've used before, even the single 65w.quality is hit or miss
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#13
Quote from Meribela_S :
Bad unit. I say common amongst the various chines brands that I've used before, even the single 65w.quality is hit or miss
Yep 2x bad units - same issue on both.
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#14
Quote from ymarker :
I bought 2 of these and returned it. Both had a problem where it would keep connecting and disconnecting. Not sure why they keep peddling this garbage.
mine one does this too, RMAing it now. I do not trust Monoprice for chargers anymore (and I have a sneaking suspicion they pay Slickdeals to have these posted because I see them posted every other day for the same f'n prices)
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#15
This is known for not functioning properly when you have multiple devices plugged in. CHEAPSKATE
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