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ROMOSS 40000mAh 18W PD Portable Charger Power Bank $22 + Free Shipping w/ Prime or $35+ orders

$21.99
$59.99
+25 Deal Score
15,518 Views
Romoss Direct via Amazon [amazon.com] has ROMOSS 40000mAh 18W PD Portable Charger Power Bank for $43.99 - 50% Off w/ Clipped Coupon = $21.99. Shipping is free w/ Prime or $35+orders.

Features:
  • 18W PD (In & Out) and Qualcomm Quick Charge 3.0
  • 3 Outputs (18W Max): 2 x USB Outputs, 1 x Type-C Output.
  • 2 Inputs (18W Max): Micro USB, Type-C input.
  • 40000mAh
  • Digital Display
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Deal
Score
+25
15,518 Views
$21.99
$59.99
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Joined May 2006
Up and let's go
> bubble2 2,904 Posts
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Farmeroak
03-26-2024 at 03:35 PM.

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03-26-2024 at 03:35 PM.
I have a couple of these already, they're not without some quirks but they're heavy and obviously full of many batteries and they store a lot of power. They don't charge or discharge quickly, and you do need to "calibrate" them by dropping them to 0% then charge back up (they recommend it-- the controller in these is kind of stupid).

Note that at ~150Wh, they start touching on the capacity of smaller portable power stations that cost ~$100+. You don't get the 120v inverter, but if you're only charging small electronics then this is an interesting option.
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Joined Mar 2024
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> bubble2 26 Posts
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CrimsonClass2402
03-26-2024 at 11:21 PM.

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03-26-2024 at 11:21 PM.
Only charges at 18W max? So it does NOT activate "Super Fast Charging" for Samsung phones. Bummer.
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Last edited by CrimsonClass2402 March 26, 2024 at 11:28 PM.
Joined Sep 2018
L3: Novice
> bubble2 113 Posts
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ReporterSK
03-26-2024 at 11:22 PM.
03-26-2024 at 11:22 PM.
Yep, I have one too. Big and too heavy for pockets and hiking bags. Will do great for long car rides or camping. Also will work for canoe fishing trips as that was my reason to purchase. At this price, why not
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Joined Jan 2008
L6: Expert
> bubble2 1,381 Posts
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HurricaneKid
03-26-2024 at 11:45 PM.

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03-26-2024 at 11:45 PM.
Quote from ReporterSK :
Yep, I have one too. Big and too heavy for pockets and hiking bags. Will do great for long car rides or camping. Also will work for canoe fishing trips as that was my reason to purchase. At this price, why not

Well, I just got one. It came half charged and after 31 days the charge was gone and I tried to charge it and it didn't charge. Not one single time.

So yeah, that's a good reason not to buy. And it's a COMMON occurrence if you read the reviews.
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Joined Feb 2011
Slick Deez Nuts
> bubble2 513 Posts
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goredsox415
03-26-2024 at 11:57 PM.
03-26-2024 at 11:57 PM.
I didn't see the coupon initially until I went to other sellers, then it was only 50% off of $60 = $30 not $22 as advertised but still a good deal if it lasts
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Joined Nov 2007
L5: Journeyman
> bubble2 1,842 Posts
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gummi-eater
03-27-2024 at 12:14 AM.
03-27-2024 at 12:14 AM.
booo. Why is it capped at 18w?
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Joined Aug 2009
L4: Apprentice
> bubble2 388 Posts
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xcougar
03-27-2024 at 01:17 PM.
03-27-2024 at 01:17 PM.
Also worth pointing out reviews say pass through [while claimed] does not work.
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Joined Aug 2008
Gonna Rep You A New One
> bubble2 9,513 Posts
1,916 Reputation
Slimeyface
03-27-2024 at 02:05 PM.
03-27-2024 at 02:05 PM.
I have one of these I got on a previous slickdeal, and am still trying to understand what the insignia on the ports mean because I'm an idiot.

"Fit+"? Two lightning bolts?
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Joined Apr 2012
L3: Novice
> bubble2 200 Posts
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f_pass
03-28-2024 at 09:05 AM.
03-28-2024 at 09:05 AM.
Quote from goredsox415 :
I didn't see the coupon initially until I went to other sellers, then it was only 50% off of $60 = $30 not $22 as advertised but still a good deal if it lasts
Sign up for prime then the 21.99 deal is still active.
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Joined Dec 2007
L6: Expert
> bubble2 1,329 Posts
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party4lif6
03-28-2024 at 09:15 AM.
03-28-2024 at 09:15 AM.
18w output? Hard pass...

I have one that I bought 2 years ago that's only 30k mah but outputs 65w. I would rather have that at full price than this deal.
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Last edited by party4lif6 March 28, 2024 at 09:17 AM.
Joined Jan 2007
L2: Beginner
> bubble2 37 Posts
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KomiefornistanBoy
03-28-2024 at 10:45 AM.
03-28-2024 at 10:45 AM.
This is excellent price for back up power. I bought this one and charged my ipad over night a few times until out of juice, recharged and repeated a couple times. I then just store it. I think I will cycle this every 6 months or so to keep it fresh. This is perfect for power outages and can keep my cellphones going for a week
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Joined Dec 2009
L5: Journeyman
> bubble2 989 Posts
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spamdie
03-28-2024 at 12:01 PM.
03-28-2024 at 12:01 PM.
I made the mistake of buying this and using "Amazon day" shipping it took 2 weeks to get to me and meanwhile i had them send me a 2nd unit which i'll have to return.
Anyways it is a horrible product. The USB-A ports barely put out power I mean i used a USB-A to C cable and it's barely putting out power. The USB-C is fine.

Now the instructions say to "Drain it" before charging it out of the box. It went from 80 to 70 to zero. Fine it. But when i went to charge it. It instantly went to 100% and stops charging. So i got a defective unit out of the two i was sent.
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Joined Aug 2006
L8: Grand Teacher
> bubble2 3,122 Posts
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jottect
03-28-2024 at 12:54 PM.
03-28-2024 at 12:54 PM.
If you're skinny buy this: it's good to drop it in your pants so wind won't blow you away...
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Joined Oct 2007
L8: Grand Teacher
> bubble2 3,423 Posts
393 Reputation
dplane
03-28-2024 at 06:41 PM.
03-28-2024 at 06:41 PM.
Does this actually have anywhere close to the billed capacity? Feels like almost every cheap battery pack I've bought advertised as having over 10k never comes close to holding that amount in actuality.
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