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Sold by: ROMOSS Direct
Sold by: ROMOSS Direct
(2697 ratings)
98% positive over last 12 months
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ROMOSS 40000mAh Portable Charger, 18W PD External Power Bank, USB C Fast Charging, Battery Pack LED Display with 3 Outputs & 2 Inputs, Compatible with iPhone 15/14/13, iPad, Galaxy, Android and More

4.4 4.4 out of 5 stars 2,942 ratings

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Black - 18W

Purchase options and add-ons

Connector Type USB Type C, Micro USB, USB Type A
Brand ROMOSS
Battery Capacity 40000 Milliamp Hours
Color Black - 18W
Special Feature Digital Display, Auto Shut-Off, 18W Fast Charge

About this item

  • Fast Charging, the Large Capacity ROMOSS 40000mAh PEA40 portable Power Bank with QC support can charge 3 devices (iPhone, Tablet, Android phone) simultaneously at a max speed up to 3 amps. Ideal for quick and reliable charging while traveling
  • Multiple Charging Options, Power Bank with 3-Outputs Charges QC-supported devices up to 80% in 35 minutes. 2-inputs, Micro USB / USB Type C the portable charger will only take 16 hours to be fully charged using a 18W PD wall charger (not included)
  • Universal Compatibility with iPhones, Android phones, tablets and many more USB devices. The Travel Charger can charge your devices 5 to 8 times. The durable battery pack offers also Pass Through Charging - charges your devices while being charged
  • Robust Safety Features; The High-Capacity, long lasting portable charger offers built-in intelligent multi safety system provides complete protection against over-heat, over-charge, over-current, over-discharge, and short-circuits
  • Portable Design, this power bank is compact and built to withstand daily use. The LED display keeps track of the power status. The external battery power bank holds power for weeks, ideal for camping, long trips, music festival, hiking and more
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Important information

Safety Information

The Portable Power Bank is not full charged When it is used for the first time, it is normal, please charge it fully before use. When the power bank is not recharging, please click the power button or reinsert the cable to activate the Charger.

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ROMOSS 40000mAh Portable Charger, 18W PD External Power Bank, USB C Fast Charging, Battery Pack LED Display with 3 Outputs & 2 Inputs, Compatible with iPhone 15/14/13, iPad, Galaxy, Android and More
ROMOSS 40000mAh Portable Charger, 18W PD External Power Bank, USB C Fast Charging, Battery Pack LED Display with 3 Outputs & 2 Inputs, Compatible with iPhone 15/14/13, iPad, Galaxy, Android and More
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Price-13% $51.99
Typical:$59.99
$39.99$24.99$43.99$42.99$49.99
Delivery
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Get it as soon as Monday, Mar 25
Customer Ratings
Battery life
3.9
4.1
3.8
4.2
4.2
5.0
For traveling
3.2
3.9
5.0
4.1
3.7
3.9
Charging power
4.2
4.8
4.3
4.5
3.6
Sold By
Amazon.com
ROMOSS Direct
ROMOSS Direct
ROMOSS Direct
ROMOSS Direct
ROMOSS Direct
capacity
40000 milliamp hours
20000 milliamp hours
10000 milliamp hours
30000 milliamp hours
30000 milliamp hours
30000 milliamp hours
connector type
USB Type C, Micro USB, USB Type A
Lightning, Micro USB USB A
Micro USB, USB Type C
USB Type C
usb
Lightning, Micro USB, USB Type C
number of ports
4
5
4
5
5
3
compatible devices
Iphone, Samsung, macbook, Ipad, Nintendo Switch
Headphone, Tablet, iphone, MackBook
Tablet, Desktop, Headphone, Smartphone
Smartphone, Tablet, Headphone
android,cell phone,iphone
Smartphone, Tablet, Smartwatch, Headphone, Flashlight
voltage
9 volts of alternating current
5 volts of direct current
5 volts
5 volts
5 volts
20 volts of direct current
weight
952 grams
408 grams
221 grams
688 grams
671 grams
660 grams

From the brand


Product Description

power bank
power bank

ROMOSS 40000mAh Fast Charge Power Bank

  • Yours Charging Companion

A convenient and reliable power solution for your life on-the-go, with a substantial 40000mAh of charging power and 3 output ports for almost any device-charging need.

  • 18W Two-way Fast Charge

PEA40(9V/2A) support 18W Fast Charging, charge your iPhone 11 30 minutes, you will get 50% power, and if you use other normal fast charging(5V/2A), only 18% power after 30minutes.

  • Charge Your Devices Anywhere

Easily slips into your bag for accessible power anywhere. It is the best choice for business trip, traveling, parties, BBQ and outdoor activities(camping, mountain climbing and picnic).

power bank

power bank

power bank

Power For All

It could charge three devices simultaneously. 3 output ports (2*USB 5V/3A (Max.) cover your daily charging needs.

Power Bank Size: L16.95CM*W8.16CM*H4.4CM

Power Bank Weight : About 900g

Power Bank Weight(with package) : About 1020g

Exactly Display

This portable power bank has a full-view LED display, it presents available battery percentage exactly and it can show the current and voltage as well. Ensures easy check and accurate battery capacity.

Total Charging Protection

Our Li-Polymer batteries adhere to the highest safety and quality standards. Automatically adjust the output power to deliver the optimal charging current keep your devices from overcharging, over-current, over-voltage and short circuit.

power bank
USB C Power Bank
PEA40 USB C Power Bank battery packs romoss 30w power bank20000mah power bank 10000mah portable bank
40000mAh 2inputs & 3 outputs Fast Charge 40000mAh 65W PD Delivery 60000mAh 3 inputs & 4 outpus Fast Charge 20000mAh PD30W Fast Charge 30000mAh 3 inputs & 3 outputs Fast Charge 10000mAh 30W Fast Charge
Customer Reviews
4.4 out of 5 stars
2,942
4.1 out of 5 stars
326
4.4 out of 5 stars
1,954
4.5 out of 5 stars
275
4.5 out of 5 stars
14,041
4.2 out of 5 stars
74
Capacity 40000mAh 40000mAh 60000mAh 20000mAh 30000mAh 10000mAh
Output 5V/3A, or 9V/2A / 12V/1.5A, or 9V/2A/ 5V/2.1A 65W(max)4.5V/5A 5V/4.5A 9V/2A 12V/1.5A 5V/3A 9V/3A 12V/3A 15V/3A 20V/3.25A 5V/3A, 9V/2A, 12V/1.5A or 5V/2.4A 30W Max(Type-C) 22.5W Max(USB-A)4.5V/5A, 9V/2A,12/1.5A 5V/3A, or 9V/2A / 12V/1.5A, or 9V/2A/ 5V/2.1A 30W Max(Type-C) 22.5W Max(USB-A)4.5V/5A, 9V/2A,12/1.5A
Input 5V/2.1A, or 5V/2A, 9V/2A 65W(max)5V 2A/9V 2A (Lightning/Micro USB)5V/3A 9V/3A 12V/3A 15V/3A 20V/3.25A 5V/2.1A ( L i g h t n i n g ),or 5V/2A, 9V/2A 30W Max(Type-C) 5V/2.1A (L i g h t n i n g/ Micro USB) 5V/2.1A ( L i g h t n i n g ),or 5V/2A, 9V/2A 30W Max(Type-C) 5V/2.1A (L i g h t n i n g/ Micro USB)
Size 6.7x3.2x1.7inch 6.5 x 3.18 x 1.72 in 7.09 x 3.27 x 2.6 inches 5.83 x 2.66 x 1.12 inches 6.57x3.15x1.26inch 4.3 x 2.5 x 1.0 in
Weight 895g/31.74oz 900g/31.74oz 1322g/46.56oz 440g/15.52oz 671g/23.66oz 245g/8.6oz
Power Delivery
Fast Charge

Product guides and documents

Product information

Warranty & Support

Manufacturer’s warranty can be requested from customer service. Click here to make a request to customer service.

Feedback

ROMOSS 40000mAh Portable Charger, 18W PD External Power Bank, USB C Fast Charging, Battery Pack LED Display with 3 Outputs & 2 Inputs, Compatible with iPhone 15/14/13, iPad, Galaxy, Android and More


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Customer reviews

4.4 out of 5 stars
4.4 out of 5
2,942 global ratings

Customers say

Customers like the durability, portability, and value of the power bank. For example, they say it's long-lasting, heavy duty, and reliable. Customers also mention that it'll last a long time and is great for traveling. That said, some complain about the weight. Opinions are mixed on the battery, performance, capacity, and charging.

AI-generated from the text of customer reviews

46 customers mention34 positive12 negative

Customers like the value of the power bank. For example, they mention it holds a very long charge, is well worth the money, and is the cheapest battery for the charge volume.

"...follow the instructions on the first charge these things are worth every single penny, I intend to buy 4 more for a power outage kit." Read more

"...Worth every penny." Read more

"...For it's size, the battery is a waste of money and would be worth the buy if it quick-charged batteries and could charge a laptop...." Read more

"Everything is flawlessThe price is ridiculously low for the capacity and completely destroyed most power banks out there....." Read more

36 customers mention36 positive0 negative

Customers are satisfied with the durability of the power bank. They mention that it is long-lasting, heavy duty, and very reliable. The battery life is heavy duty and it feels solid as a brick. Overall, customers are happy with the quality and durability of this beefy block.

"...it seems durable, but some of this may be an issue due to it's weight. I imagine dropping it would not end well despite its seemingly sturdy build...." Read more

"...photos, and I am extremely pleased with this brand and the quality of this battery. I don't even charge my phone from the wall anymore...." Read more

"...It then took nearly a day to charge it to 100%, but it lasted a long time and didn't rapidly discharge when it got back down to 20%...." Read more

"Powerful and long-lasting! This was perfect for my trips abroad, charged my laptop, phone, and other electronics...." Read more

21 customers mention17 positive4 negative

Customers like the travel capabilities of the power bank. For example, they say it's excellent for portable usage, great to keep in a vehicle, and a reliable portable battery charger. Some mention that it'll charge their laptop, phone, and other electronics on trips abroad. They also say it fits in s pocket and is great for taking camping for a few days or longer road.

"...wouldbe great for camping if you had a solar panel to charge it with...." Read more

"...This is great to keep in a vehicle, especially mine, since the cigarette lighter/charging port in my car does not work...." Read more

"Powerful and long-lasting! This was perfect for my trips abroad, charged my laptop, phone, and other electronics...." Read more

"If you're looking for a reliable portable battery charger, this one's a solid choice...." Read more

131 customers mention66 positive65 negative

Customers are mixed about the battery of the power bank. Some mention that it holds a good charge and lasts long, while others say that it just drained away.

"...wife would be in the hospital for our child's birth and it lasted the entire 4 night stay...." Read more

"...When the charger got down to 20%, it began to lose power at the rate of about a percent a minute...." Read more

"Great for power outages, days out, roadtrips etc. charges my devices to full multiple times before needing a charge...." Read more

"...the pack completely failed and the cells inside had off gassed and expanded...." Read more

125 customers mention56 positive69 negative

Customers are mixed about the charging of the power bank. Some mention that it works perfectly to charge their phone, watch, and several other devices, while others say that it takes a while to charge and won't accept a charge.

"...I first got this, it won't charge to 100%, stopped at 99%. Replaced with a 2nd one, the same problem...." Read more

"...has plenty of charge ports for multiple devices, and also has a quick charge feature to charge other devices, or itself quickly...." Read more

"...Unfortunately it is not truly pass-through, but rather alternates between charging itself and charging a device...." Read more

"I love this device. It holds a lot of power, fast charges my devices, and rarely needs to be recharged itself. At least, for me...." Read more

88 customers mention40 positive48 negative

Customers are mixed about the performance of the power bank. Some mention that it works extremely well, has no problems, and works flawlessly for charging their devices. However, others say that it completely stopped working, is not reliable, and is not practical.

"...At least, for me. A huge downside, though? It doesn't keep outputting at all times...." Read more

"...It works fine as a giant battery. The display is always on which shows the percentage of charge you have left...." Read more

"...it and 5 minutes later went to pick it up to notice that the pack completely failed and the cells inside had off gassed and expanded...." Read more

"although this works well and has good capacity it does not have the one feature i really needed out of it..." Read more

43 customers mention21 positive22 negative

Customers are mixed about the capacity of the power bank. Some mention it's very big but works very well, while others say that it'd be better if it was smaller. The size is almost the size of a brick, and some customers find it hard to hold.

"although this works well and has good capacity it does not have the one feature i really needed out of it..." Read more

"...However, this capacity comes at the expense of portability. The device is large and heavy." Read more

"...battery and bulkier than I anticipated, but the dimensions in the description are accurate. The photos just make it hard to understand the size...." Read more

"...While it’s a bit big and heavy for just a regular purse it’s honestly not as heavy as you’d think it would be...." Read more

49 customers mention7 positive42 negative

Customers are dissatisfied with the weight of the power bank. They mention that it is a little weighty, bulkier than expected, and not too easy to carry around. Some say that it's the biggest and heaviest recharger they've ever had.

"...It also feels a bit bulk at first hold and glance but for the size and the time it last you will not be disappointed." Read more

"...it is heavy so i got a hiking water bladder to hold it in. A " OPLIY " bladder to be exact...." Read more

"...Just keep in mind it is heavy and somewhat bulky so it's more of an at home or at work product. I'm satisfied with the purchase." Read more

"Shocked in actually how big this was. Weighs a lot. Only 2 usb type A ports. The USB C doesn’t charge a thing though. Sad on that...." Read more

After two years, I decided to get another one
5 Stars
After two years, I decided to get another one
I purchased this right in the spring of 2020 and it’s still going strong! It’s literally charging my iPhone right now via usb- C.UPDATE 12/22/2022: I got another one!Amazon won't let me make two reviews, so I am updating my original review. I first purchased this battery bank on 03/09/2020 and now, nearly three years later, I saw that this was on a 40% off sale, so I HAD to jump on that. This battery has been dependable, reliable, consistent, steady, stable, trustworthy, steadfast, unwavering, and...... reliable haha.You can see two years of wear and tear between the two in my attached photos, and I am extremely pleased with this brand and the quality of this battery. I don't even charge my phone from the wall anymore. I just charge this battery and charge my phone from it. Having two now will make that very useful. Just one of these is enough to charge my iPhone 13 Pro Max 9 full times from dead with a little bit of power left, as my phone has a 4,352mAh battery. With the fast charging, I couldn't imagine needing a different one. The 60,000mAh ROMOSS model was very enticing, but this was 40% off so this one is the winner.I'm not at all affiliated with the seller or brand, I just want to share my surprisingly excellent experience with you all. This is the battery bank to have if you want some charging insurance through power outages or if you, like me, like to play full controller games on your phone (it's call of duty mobile for me) for hours and hour and hours on end and need a portable, convenient power bank. These guys charge at a rate of 18w (9v 2A) via usb C and at 10W via micro-USB. I always opt for fast charging, as a battery of this capacity takes quite a while to charge. It takes a solid 8-9 hours to fast charge these from dead to full, and around 13-14 hours if you don't have a USB C charger. They take days of use before they die, though. Now that I have two, that's a problem of the past. Just recently, my IMUTO 30,000mAh power bank stopped charging through its only input, so I'm glad to have found this one on a sale! I paid full price the first time around and I would have done it again too.Anyways, 10/10. Absolutely recommend. I've never had any issues whatsoever with mine in nearly three years. All of the ports still work, the capacity is undoubtedly lower because batteries aren't immortal, but it still keeps a very solid charge after hundreds of charge and discharge cycles. I can still charge my phone and Apple Watch around 8 times each, maybe a little bit less. So don't worry about whether or not it will continue to work for you!I will update this review again if ever necessary.
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Top reviews from other countries

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Mario
5.0 out of 5 stars Powerbank
Reviewed in Germany on March 13, 2024
Color: Black - 18WVerified Purchase
Giovanni Grisotti
5.0 out of 5 stars Potente, Robusto, molto pesante
Reviewed in Italy on October 27, 2023
Color: Black - 18WVerified Purchase
Ben
4.0 out of 5 stars Compact pour sa grande capacité.
Reviewed in Belgium on October 7, 2023
Color: Black - 18WVerified Purchase
Customer image
Ben
4.0 out of 5 stars Compact pour sa grande capacité.
Reviewed in Belgium on October 7, 2023
Vider entièrement la première fois.
Il m’a fallut du temps. Reçue à 78% :o)
J’ai mesuré les mAh utilisés pour sa charge complète 34224mAh. Je suppose que mon testeur a aussi sa tolérance… donc super satisfait de la véracité des informations annoncées. C’est la vérité.
Je revaliderai la capacité lors de sa prochaine recharge.. il faudra du temps.
usb-a et usb-c, (5-9-12V avec 3-2-1.5A)
Sortie vérifiées.
Double clic sur le bouton action permet de forcer le power on (empêche l’auto poweroff en cas de non ou trop basse consommation.
Super je recommande.
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Manuel Dominguez
5.0 out of 5 stars Ofrece una magnifica reserva de energia
Reviewed in Spain on July 14, 2023
Color: Black - 18WVerified Purchase
dario e veronica
5.0 out of 5 stars Un energia infinita
Reviewed in Italy on September 22, 2023
Color: Black - 18WVerified Purchase