Name: Monoprice 12W USB-A Wall Charger - Black
Brand: Monoprice
Price: 13.99 USD
Availability: InStock
Rating: 4.5 (2 reviews)

Monoprice 12W USB-A Wall Charger - Black

Product # 46349

UPC # 889028204962

$13.99

In Stock

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do you know the under load ripple and noise level on this charger, by chance? thank you.

A shopper on Aug 22, 2025

BEST ANSWER: I bought one to measure noise & ripple under the load we need (~150ma@5VDC). Ripple is ~15mV pp @ ~5MHz, DC offset is ~10mV. By comparison, I used the USB-A port on a Keysight scope to power the same load and measured ripple of 5.5mV @ 5MHz with a DC offset of 19mV. So this charger will work for our needs. Hope this info helps someone else as well.

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Inaccurate
David L on Dec 2, 2025

Review More Purchases | My Posts

4.7 / 5.0

3 Reviews

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Rated 5 out of 5

Monoprice 12W USB-A Wall Charger - Black

It's doing what I expect a 2.5A USB 5V charger to do, at a reasonable price.

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January 30, 2026

Larry D

Purchased
4 months ago

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Rated 4 out of 5

A little loose in sockets

Works fine and the ability to fold the prongs away is nice, but it does not fit snugly into a wall socket. A heavy cord may tilt it far enough to break the connection if the socket is higher off the ground.