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expired Posted by phoinix | Staff • Jun 12, 2025
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expired Posted by phoinix | Staff • Jun 12, 2025

$11.99: Diveblues 4000mAh USB-C Rechargeable Handheld Turbo Fan at Amazon

$12

$27

55% off
Amazon
17 Comments 21,316 Views
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Deal Details
OCOOPA Direct via Amazon [amazon.com] has Diveblues 4000mAh USB-C Rechargeable Handheld Turbo Fan for $19.99 - 40% when you 'clip' the coupon on product page = $11.99.
Shipping is free with Prime or on $35+ orders.

Price
$15 lower (56% savings) than the list price of $26.99
Save 40% applied at checkout
To check eligibility and activate coupon click here [amazon.com].

Customer reviews
4.6⭐ / 599 global ratings
3,000+ bought in past month

amazon.com/dp/B0DYDSYR1H [amazon.com]

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Deal Details
Product Info
Community Notes
About the Poster
OCOOPA Direct via Amazon [amazon.com] has Diveblues 4000mAh USB-C Rechargeable Handheld Turbo Fan for $19.99 - 40% when you 'clip' the coupon on product page = $11.99.
Shipping is free with Prime or on $35+ orders.

Price
$15 lower (56% savings) than the list price of $26.99
Save 40% applied at checkout
To check eligibility and activate coupon click here [amazon.com].

Customer reviews
4.6⭐ / 599 global ratings
3,000+ bought in past month

amazon.com/dp/B0DYDSYR1H [amazon.com]

My other deals

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Deal Score
+8
Good Deal
Visit Amazon

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17 Comments

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Pro
Expert
This user is an Expert in Home & Home Improvement
Jun 12, 2025
16,030 Posts
Joined Jul 2008
Jun 12, 2025
gabe23111
Jun 12, 2025
Pro
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16,030 Posts
Is the difference between this one and the $9 one from the other day4,000mah vs 2,000mah? so the one in this OP should last twice as long? The fans look the same and its hard to tell what the difference are.

TIA
Jun 12, 2025
52 Posts
Joined Feb 2022
Jun 12, 2025
CyanNest3122
Jun 12, 2025
52 Posts
Quote from gabe23111 :
Is the difference between this one and the $9 one from the other day4,000mah vs 2,000mah? so the one in this OP should last twice as long? The fans look the same and its hard to tell what the difference are.

TIA

Not sure what the difference is… I ordered the $9 one from before. It says 4,000 mah too and also says lasts up to 12 hours.
I was thinking about returning the one I bought because like everyone else says it is very loud to use indoors but air flow is good and will probably be very useful during the hot summer heat.
Original Poster
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This user is an Expert in Books & Magazines
Jun 12, 2025
41,347 Posts
Joined Dec 2010
Jun 12, 2025
phoinix
Jun 12, 2025
Original Poster
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41,347 Posts
Quote from gabe23111 :
Is the difference between this one and the $9 one from the other day4,000mah vs 2,000mah? so the one in this OP should last twice as long? The fans look the same and its hard to tell what the difference are.TIA
Added 4000mAh to the OP, thanks!
Jun 12, 2025
26 Posts
Joined Mar 2015
Jun 12, 2025
dinter
Jun 12, 2025
26 Posts
Bought this last time. Seems good. Use it for outdoor swim meets in Texas. It's not that loud for outdoors while kids are screaming. It moves a good amount of air and last 4ish hours enough to get through a meet.
1
Jun 12, 2025
80 Posts
Joined Jan 2024
Jun 12, 2025
hereforthecomments
Jun 12, 2025
80 Posts
Received it yesterday - it works very well! My wife would like to have a stroller holder for it though. Maybe I can justify buying a 3D Printer now.
1
1
Jun 12, 2025
164 Posts
Joined Oct 2014
Jun 12, 2025
sirchuk
Jun 12, 2025
164 Posts
My Amazon says the 40% off promo has ended (using the link above) ℹ️❌
1
Jun 12, 2025
23 Posts
Joined Oct 2018
Jun 12, 2025
BW4
Jun 12, 2025
23 Posts
Only 20% one some of them no 40% at all
1

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Jun 13, 2025
1,644 Posts
Joined May 2021
Jun 13, 2025
SkillfulPiranha7944
Jun 13, 2025
1,644 Posts
Quote from sirchuk :
My Amazon says the 40% off promo has ended (using the link above) ℹ️❌
I was going to get that trash but then saw this one. Seems like a much better bargain with more features for only $10.49. Claims to have a 5000 mAh battery and 100 speeds. But the real kicker is a Peltier cooling disk that makes it blow cool air. You can also rub the disk on yourself for instant relief. Watch this video of water instantly condensing on the disk.

https://www.amazon.com/gp/aw/revi...r2&ie=UTF8
1
Jun 13, 2025
1,644 Posts
Joined May 2021
Jun 13, 2025
SkillfulPiranha7944
Jun 13, 2025
1,644 Posts
Quote from BW4 :
Only 20% one some of them no 40% at all
Consider this $10.49 model instead. Claims to have a 5000 mAh battery and 100 speeds. But the real kicker is a Peltier cooling disk that makes it blow cool air. You can also rub the disk on yourself for instant relief. Watch this video of water instantly condensing on the disk. https://www.amazon.com/gp/aw/revi...r2&ie=UTF8
3
Pro
Jun 13, 2025
4,196 Posts
Joined Jul 2006
Jun 13, 2025
HomerJay
Pro
Jun 13, 2025
4,196 Posts
No coupon for me
Jun 13, 2025
3,011 Posts
Joined Nov 2007
Jun 13, 2025
ResidentPony
Jun 13, 2025
3,011 Posts
Quote from SkillfulPiranha7944 :
I was going to get that trash but then saw this one. Seems like a much better bargain with more features for only $10.49. Claims to have a 5000 mAh battery and 100 speeds. But the real kicker is a Peltier cooling disk that makes it blow cool air. You can also rub the disk on yourself for instant relief. Watch this video of water instantly condensing on the disk.

https://www.amazon.com/gp/aw/revi...r2&ie=UTF8
I just ordered that Peltier fan because I need to see how it's set up. It shouldn't work - Peltier coolers move heat from one side to the other, and inefficiently at that. So there should be net positive heat nearby. All cooling systems do that, move heat somewhere else. Eg a window AC unit moves the heat from the room to the outdoors.

But that cooler looks like the cold side faces the user, and the hot side is... where?
Jun 13, 2025
1,788 Posts
Joined Jun 2004
Jun 13, 2025
hai1
Jun 13, 2025
1,788 Posts
I am logged in and no coupon showing at all.
Jun 13, 2025
36,277 Posts
Joined Jul 2006
Jun 13, 2025
monkeybiz
Jun 13, 2025
36,277 Posts
Quote from SkillfulPiranha7944 :
I was going to get that trash but then saw this one. Seems like a much better bargain with more features for only $10.49. Claims to have a 5000 mAh battery and 100 speeds. But the real kicker is a Peltier cooling disk that makes it blow cool air. You can also rub the disk on yourself for instant relief. Watch this video of water instantly condensing on the disk.

https://www.amazon.com/gp/aw/revi...r2&ie=UTF8
cool... I meant with cooling disk.. all they need now is one with HEPA filter since they are taking our vaccines away.
Jun 13, 2025
340 Posts
Joined Dec 2012
Jun 13, 2025
nyanta
Jun 13, 2025
340 Posts
Quote from ResidentPony :
I just ordered that Peltier fan because I need to see how it's set up. It shouldn't work - Peltier coolers move heat from one side to the other, and inefficiently at that. So there should be net positive heat nearby. All cooling systems do that, move heat somewhere else. Eg a window AC unit moves the heat from the room to the outdoors.

But that cooler looks like the cold side faces the user, and the hot side is... where?
My thoughts exactly, I was confused because anywhere the heat could dissipate would also affect the air it blows on you, unless its going to the battery/grip which is just as bad.

the "superconducting ice magnetic cooling" in the description did give me a chuckle.

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Jun 13, 2025
2 Posts
Joined Nov 2018
Jun 13, 2025
johnk7794
Jun 13, 2025
2 Posts
Got this last week. This is loud AF. Also, battery lasts only couple hours at like 50% power.

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