Amazon.com: Customer reviews: Portable Charger 38800mAh,LCD Display Power Bank,4 USB Outputs Battery Pack Backup, Dual Input USB-C Phone Charging Compatible with iPhone 13 Pro Max/13 Mini/12,Android Samsung Galaxy/Pixel/Nexus/iPad
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  • Portable Charger 38800mAh,LCD Display Power Bank,4 USB Outputs Battery...
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Customer reviews

4.3 out of 5 stars
4.3 out of 5
8,872 global ratings
5 star
69%
4 star
13%
3 star
6%
2 star
3%
1 star
9%
Portable Charger 38800mAh,LCD Display Power Bank,4 USB Outputs Battery Pack Backup, Dual Input USB-C Phone Charging Compatible with iPhone 13 Pro Max/13 Mini/12,Android Samsung Galaxy/Pixel/Nexus/iPad

Portable Charger 38800mAh,LCD Display Power Bank,4 USB Outputs Battery Pack Backup, Dual Input USB-C Phone Charging Compatible with iPhone 13 Pro Max/13 Mini/12,Android Samsung Galaxy/Pixel/Nexus/iPad

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Color: BlackChange
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Top positive review

All positive reviews›
Steve
4.0 out of 5 starsWorks as advertised but has auto off.
Reviewed in the United States 🇺🇸 on April 24, 2023
I've read several reviews that discussed long charge times. Charge duration for the most part is a function of the amount of current your power supply can deliver. There can be limits set within the device, but If you are using a small travel charger that can only delver a few milliamps of current your charge time is going to be longer. If you use a power supply such as for your MacBook Air or larger, then charge times will be shorter. The manufacturer should discuss this more in their advertising. With that said, I received my device yesterday at 37% charge. I connected it to a larger cell phone charger (iPhone) and had a full charge in about 5 hours. The downside for me is that while it can provide power to anything that requires USB power. That device must draw enough current to disable the auto-off circuitry. I have a USB powered Bluetooth receiver I use for an older car and the receiver powered up initially but the supply turned off within 30 seconds because the current draw was so low. If you need such a supply that does not have an auto-off check out Voltaic System v25 or one of their higher capacity models.
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16 people found this helpful

Top critical review

All critical reviews›
dogprobs123
3.0 out of 5 starsLong charging time both ways
Reviewed in the United States 🇺🇸 on May 1, 2023
PROS: It's rather large, and heavier than i was expecting. It looks and feels like it is well made and durable. Love the light up display and the ability to charge with micro OR type C to USB cords. That being said...

CONS: This thing takes FOREVER to charge to capacity. Honestly, I believe that it has only charged to display 100% a couple of times after being plugged in overnight. Sometimes only charges to 40-50% in that time or the time I have to recharge it, and I've noticed charging speed varies widely. It can be finicky about cords and charging blocks or car adapters, but once I get that magic combo correct, it performs fairly well.
I have plugged my nearly dead phone into it many many times when the LCD is showing 15% or less and it has exceeded my expectations by fully or nearly charging my phone to 100% before it runs out. In fact, in my experience it charges faster when its under 25% than it does when its over that for some reason. Another CON for some might actually be the size and weight of the unit. When it's in my purse, I definitely know it's in my purse because it is noticeably heavier than usual.
It is also about the same size as my Samsung phone, but much thicker, obviously.

My conclusion....since it has charged my phone enough for me to use it without interruption during my day I think I'm ok with keeping it and avoiding the hassle of returning/selecting a new one...I just wish it recharged itself a bit faster and was more consistent in it's charging of my phone.
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6 people found this helpful

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From the United States

dogprobs123
3.0 out of 5 stars Long charging time both ways
Reviewed in the United States 🇺🇸 on May 1, 2023
Color: BlackVerified Purchase
PROS: It's rather large, and heavier than i was expecting. It looks and feels like it is well made and durable. Love the light up display and the ability to charge with micro OR type C to USB cords. That being said...

CONS: This thing takes FOREVER to charge to capacity. Honestly, I believe that it has only charged to display 100% a couple of times after being plugged in overnight. Sometimes only charges to 40-50% in that time or the time I have to recharge it, and I've noticed charging speed varies widely. It can be finicky about cords and charging blocks or car adapters, but once I get that magic combo correct, it performs fairly well.
I have plugged my nearly dead phone into it many many times when the LCD is showing 15% or less and it has exceeded my expectations by fully or nearly charging my phone to 100% before it runs out. In fact, in my experience it charges faster when its under 25% than it does when its over that for some reason. Another CON for some might actually be the size and weight of the unit. When it's in my purse, I definitely know it's in my purse because it is noticeably heavier than usual.
It is also about the same size as my Samsung phone, but much thicker, obviously.

My conclusion....since it has charged my phone enough for me to use it without interruption during my day I think I'm ok with keeping it and avoiding the hassle of returning/selecting a new one...I just wish it recharged itself a bit faster and was more consistent in it's charging of my phone.
6 people found this helpful
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Wheresmycake
3.0 out of 5 stars It works, but don't expect a fast charge
Reviewed in the United States 🇺🇸 on April 12, 2023
Color: BlackVerified Purchase
This unit was delivered with 22% power, it took about 7 hours to fully charge. For testing I plugged an iPhone 13 Pro with 88% power into the unit, after an hour the iPhone was still only at 94% and the portable charger was down to 98%. It works, but it is really slow to charge, and really slow to charge devices.

I'm using this to keep the charge on my phone while using a GPS tracking app during bike rides, it doesn't keep up with the phone - it charges slower than the phone burns through the charge, but it does help enough to keep a decent level by the end of a ride. This will work great for overnight charging if you are camping, have a power outage, etc. It's not fast, but it seems reliable.
2 people found this helpful
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Harrison Lawler
3.0 out of 5 stars Too heavy
Reviewed in the United States 🇺🇸 on June 2, 2023
Color: PinkVerified Purchase
I returned the device. I have no positive or negative to say, except it was too heavy for what I wanted
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Brook
3.0 out of 5 stars Won't Last Longer Than a Year
Reviewed in the United States 🇺🇸 on March 31, 2023
Color: BlackVerified Purchase
My friend lost my old power bank which was amazing and lasted for over a week as my only source for charging my phone. It was larger than this one so I was hoping this would work just as well and be easier to travel with. It’s been less than a year and now it can’t even fully charge my phone once (even when the power bank is at 100%). It was easy to contact them to make a warranty claim and they are sending me a new one, but I wish I had found a longer lasting power bank. I am assuming I will need to make a warranty claim every year now.
One person found this helpful
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andrew hayward
3.0 out of 5 stars Too early to tell
Reviewed in the United States 🇺🇸 on March 18, 2023
Color: BlackVerified Purchase
It’s too early to rate how this battery pack will perform, ( I’ve only had it for two days so far) the rating will take at least one year to determine, for now I’ll give it a three star rating that could go up or down when I come back to update it’s performance. I’ll just say I like what I see so far, I like the lcd digital display that stays on while you charge it then stops displaying when you unplug it and the little side button you can press anytime to display the charge level of the battery. It’s got a little weight to it but not too bulky. I like all the ports, four outlets two different charging inputs
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L. McNerney
3.0 out of 5 stars Certainly not the power capacity that is listed
Reviewed in the United States 🇺🇸 on March 22, 2023
Color: BlackVerified Purchase
This looks nice, functions like any normal battery pack. However the listed power cannot be correct. I get one phone charge on a device 3x thicker, and a bit longer and wider than my phone. ONE charge. So there is no way that this has 8.6x the capacity that the phone has (phone has 4500mah, this is listed at 38,800mah) as proven by the single charge capacity. Even if it was operating at only 75% efficiency I would get 6 charges.

So this is both false advertising and poor construction on the internal components. With this low of a capacity compared to the listed value I now have a major concern on how long I have until the battery is useless and the lithium bridge is formed.
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Jacob
3.0 out of 5 stars Highly suspicious not 38k mha
Reviewed in the United States 🇺🇸 on May 16, 2023
Color: BlackVerified Purchase
I’m highly skeptical that this battery is the capacity as advertised. I charged until to 100% then used to it charge 3 portable fans that have 2500mha battery’s. So charge 3 , 2500 it took this unit to 55% battery.
One person found this helpful
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Raymond Rabbett
3.0 out of 5 stars Only one charging port worked
Reviewed in the United States 🇺🇸 on May 12, 2023
Color: BlackVerified Purchase
Update, their are two inputs, but only one works, I was able to charge, so we will see if I still return.
One person found this helpful
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D Attalla
3.0 out of 5 stars Too heavy
Reviewed in the United States 🇺🇸 on May 11, 2023
Color: GreenVerified Purchase
I got this charger but I found it to be huge and heavy I had to return it back.
One person found this helpful
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Paul2007
3.0 out of 5 stars Charging times are slow
Reviewed in the United States 🇺🇸 on May 3, 2023
Color: BlackVerified Purchase
I have another device that charges 3 times faster compared to this unit. Charging times are slow, but if you are not in a rush it works fine.
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