CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black price history and forecast - CyberPower M140BUC
CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black

CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black

Brand:
CyberPower
Model Number:
M140BUC
UPC:
649532934782
EAN:
0649532934782
Best Buy SKU:
6598821
Walmart SKU:
849369813
Key Takeaway

Current $30.24 has remained steady for two weeks, closely tracking the 90-day average of $30.24. This consistency suggests buyers are getting the standard market rate.

Third-Party Seller Summary

Third-Party Seller Price History Summary
Price Type Price Date
Highest Price
$30.09
Lowest Price
$24.00
Most Recent Price
$30.09
Average Price
$29.58
First Tracked
Last Update

Walmart.com Summary

Walmart.com Price History Summary
Price Type Price Date
Highest Price
$30.24
Lowest Price
$22.09
Most Recent Price
$30.24
Average Price
$29.73
First Tracked
Last Update

Price Analysis

Tracking History: We have tracked CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black since 8/5/2024. The most recent price update was on Jul 1, 2026.

Price Range: Over the past 90 days, the price has ranged from $22.09 (lowest on 12/9/2024) to $30.24 (highest on 6/28/2025). The average price during this period is $29.73.

Current Trend: Walmart.com prices have ranged from $30.24 (Jul 1) to $30.24 (Jul 1) over the past 90 days. Current price is close to the 90-day average of $30.24.

Customer Insights: Rated 4.0/5 from 224 reviews.

Customer Reviews

224 reviews

Customer Reviews

4.0
Based on 224 reviews
5
140
4
26
3
14
2
10
1
34
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Showing 10 of 224 reviews
Gary March 27, 2025

It's a little clumsy in my RV lighter socket it works, but sometimes you have to push pull it in and push it out. I don't think the metal that attaches it is enough there. I think they should have maybe three strips instead of just two because it's flimsy, but it's durable at the top where all the connections are I just wish the other part that maybe they should not make the hinge or the the Joint so loose maybe that could be tighter otherwise it does what it supposed to do and that's tribute to me so I still have it four or five stars

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WalmartCustomer June 4, 2024

I have used a higher power version of a similar item in the past, I was very happy with that product so making this choice was relatively easy and it was made even better when I saw that it was discounted over five dollars from what I was expecting to pay

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Must have adapter.

Kristy March 25, 2026

I recently purchased this charger / adapter when we were under a threat of an ice storm with possible power outages. Perfect for charging flashlights phones, and even my heated blanket ride from my car.

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WalmartCustomer September 8, 2025

I did not end up needing to use the product and will be returning it, but the price point was fair compared to other stores with stock available - slightly better priced and closer store location drove the decision to purchase from Walmart.

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Savin the day

Daniel June 24, 2025

During. A power outage after a tornado, this was ideal for charging laptops and other electronics that need a higher draw than typical car usb outlets. Kept me powered for a week. Excellent tool to keep in hand in an emergency or travel kit

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Laptop powersource

Philip June 16, 2025

Allows me to work on my laptop in the car saving the battery for when I really need it where no power source is available.

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WalmartCustomer February 10, 2025

I purchased product to power a laptop. It could only output about 20-30 watts to the laptop ( it needs roughly **** watts ). Claims peak power of ****, which may br true under optimum conditons - not practical for my desired application, though!

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Rachel August 3, 2025

The USB A outlet doesnt charge at all. The AC outlet is only 120 not 140 as stated. I have yet to try the USB C to C plug, I hope it works. It does NOT charge a cell phone. I cant expect it to charge anything else. For $30 dollars I expect results. This works no better than a charger youd get at Dollar Tree. Dont waste tour time or Money.

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Do your research befor you buy. It may work 4 U.

Toni July 20, 2024

o loved the design but this tool caused my entire electrical system in my 2004 Lexus RX 330 to crash. Afte I plugged it in, every warning light came on one by one. My truck will not even start.

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anonymous February 19, 2025

it was extremely difficult to plug in a regular plug in and even then it wouldnt charge, onlythe usb side worked

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Price History

Historical price data graph for CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black

Recent Price Changes

Detailed price history for the past 90 days

Walmart.com Pricing

17 records

Walmart.com prices have ranged from $30.24 (Jul 1) to $30.24 (Jul 1) over the past 90 days. Current price is close to the 90-day average of $30.24.

Walmart.com price history for CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black showing recent price changes over the past 90 days
Date Price Change % Change
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24 $+0.00 +0.0%
$30.24

Third-Party Seller Pricing

5 records

Third-Party Sellers prices have ranged from $30.09 (Apr 26) to $30.09 (Apr 26) over the past 90 days. Current price is close to the 90-day average of $30.09.

Third-party seller price history for CyberPower M140BUC 140W Power Inverter - 1 AC Outlet, USB-C & USB-A Ports, Black showing recent price changes
Date Price Change % Change
$30.09 $+0.00 +0.0%
$30.09 $+0.00 +0.0%
$30.09 $+0.00 +0.0%
$30.09 $+0.00 +0.0%
$30.09

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