Customers are pleased with the fast wireless charging and good battery life of the Ultimate Lithium 10,000mAh power bank. Many appreciate its ease of use and compact size, finding it convenient for travel. While some users noted the weight, most found a good balance between weight and capacity. A few customers experienced minor compatibility issues or noted that the device can get warm during use.
This summary was generated by AI based on customer reviews.
The vast majority of our reviews come from verified purchases. Reviews from customers may include My Best Buy members, employees, and Tech Insider Network members (as tagged). Select reviewers may receive discounted products, promotional considerations or entries into drawings for honest, helpful reviews.
Page 1 Showing 1-20 of 856 reviews
Pros mentioned:
Battery life, Wireless charging
Cons mentioned:
Qi charging
Rated 5 out of 5 stars
Excellent, built solid, feels like quality to me.
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Posted .
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great charger. Changes my s22 + quickly, if your using qi charging you usually need to remove the case or protector (especially the OtterBox). As others have mentioned it does take a while to charge but it's 20000 mah, so unless you like fires there's no way to charge these mammoth batteries any faster. The tech just isn't there yet. I'm surprised that other people are surprised that it takes a while to charge a 20000 mah battery. If anyone knows the history, or has experience with these in the past, you would know that this battery charges extremely fast but hard to tell because it's a mammoth battery. I don't know about the 10000 mah, but the 20000 is on point.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Battery life, Wireless charging
Rated 4 out of 5 stars
Great overall value for the price!
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Great backup battery! Long charge life has wireless charging and several different charging ports and two different usb plugs to recharge the pack. Overall great backup battery to have only slight draw back would be kind of thick/heavy but thats to be expected with this amount of charge capacity also the charge indicator light could be larger/brighter but overall great value!
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Battery life
Cons mentioned:
Compatibility
Rated 4 out of 5 stars
Good but not great.
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
So far, 9 days of having the charger, the charger has been pretty good. However, not great. The NFC doesn’t work that amazingly, and it only charges when there is a big enough draw. Also, the charger doesn’t charge AirPods, or the Apple Pencil. I also don’t know how much of the 20,000mAh battery is useful. It charged my phone from 50% and my iPad from 40% but the little(tiny) LED lights show half battery.
Overall, I’m content with the charger but I wouldn’t have spent extra on the NFC one. I would have spent the money to just get more battery size.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Wireless charging
Cons mentioned:
Weight
Rated 4 out of 5 stars
Nice, very useful when you need a charge
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Posted . Owned for 8 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I like it because my charging port was giving me a problem and I needed to charge my phone while in my car.
It charges via the phone sitting on top/contact or by a cable.
It's a bit heavy, but charges quickly
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Battery life, Wireless charging
Rated 4 out of 5 stars
Portable Power!
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Fast charging and last a long time. Will take a bit to charge its self. Unfortunately not enough juice to charge a laptop like some I’ve seen, but for everything else it’s great.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 4 out of 5 stars
Reliable with a Work-Around
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Posted . Owned for 3 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
It’s a reliable wireless charger. It takes approximately 1 hour to charge up to 11%. You rest your phone flat on top of it and press the on button and leave it alone. It has no magnet, so you need rubber bands to wrap around the phone and charger so that they don’t become separated. I used it on a long distance day trip and kept my phone rubber banded to it throughout the day. It kept a 90% charge all day with intermittent phone usage. I bought it to use on camping trips when I knew I would have little access to power. It’s a reliable unit if you think you can live with slow charging time and the work-around of using rubber bands.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Cons mentioned:
Weight
Rated 4 out of 5 stars
Decent Power Brick
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Posted . Owned for 3 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Works as intended and nice port options as needed for variety for charging options. But with such a big battery this thing is heavy. It’s like having to carry a brick but that can charge.I wouldn’t recommend this for use when being mobile like walking around somewhere but more when you are more stationary but away from home with limited options for power.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Battery life, Wireless charging
Rated 5 out of 5 stars
Energizer Power Bank
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Posted . Owned for less than 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Love this power bank. It has fast charging and the power bank last all day
I would recommend this to a friend
Pros mentioned:
Size, Wireless charging
Rated 5 out of 5 stars
Versatile Wireless Charging Capable Battery Bank
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this because it supports wired quick charging and Power Delivery. it also supports wireless charging of Apple and Samsung Phones. Take note, it can't wirelessly charge smart watches. This is as heavy as an iPhone 12, but worth it especially if your smartphone only has 3700 AH capacity (S22) and you're a power user. Size is reasonable and it fits in my jean's pocket. Perfect for long trips, Just dont drop it because it looks like it's going to crack if it is dropped. Remaining charge power is represented by 4 LEDs. Easy to use.
I would recommend this to a friend
Pros mentioned:
Wireless charging
Rated 5 out of 5 stars
Very good
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Works very well, I love this one so much because it has usb type c charging and wireless charge option. It charges the battery its-self very quickly, and also charges a device quickly though the type C and wireless charge. It also has a type A Usb which was helpfull.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Rated 4 out of 5 stars
Super steal I had to get one
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Got it for cheap, I’m a refurbished kid. Grown up my whole life in the used and refurbished section. Had to buy this since it was basically free (in a way) nearly 90% off. It didn’t come with packaging but that’s expected. All that matters is that it works. And that it does.
I would recommend this to a friend
Pros mentioned:
Wireless charging
Rated 5 out of 5 stars
Wireless
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
You lay your phone on top and it charges. Even with a case on. You can use the c to c port for faster charge. I'm glad it has the wireless function
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Rated 5 out of 5 stars
For multiple charging's, this is your battery.
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Posted . Owned for 9 months when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I have owned battery packs in the past. That work 2 or 3 times and then you have to recharge the battery pack and it seems that each time you recharge your phone, it takes longer to charge the battery pack the Energizer enable you to charge your device. Multiple times not just once.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Wireless charging
Rated 5 out of 5 stars
Energizer Review
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
What a amazing portable charger! It’s by far the fastest way to charge your phone.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Wireless charging
Rated 5 out of 5 stars
Excellent battery pack
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Not only is fast charge and portable also you can charge your device wireless. I recommend it
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Pros mentioned:
Wireless charging
Rated 5 out of 5 stars
Wireless charging is practical.
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Was initially sceptical having this but ended up using more wireless charging
I would recommend this to a friend
Rated 5 out of 5 stars
Picture Power!
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Posted . Owned for 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I purchaced this charger because of up-coming trips where I intended to take many pictures. I know my phone battery will run out of power and i want lots of pictures!
I would recommend this to a friend
Pros mentioned:
Battery life
Rated 5 out of 5 stars
Energizer wireless charger
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Posted . Owned for 1 month when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I bought this so I could charge my Samsung Galaxy S22 without having to plug it in. It does that. I can also charge my Galaxy earbuds with it. I like that all you have to do is set it on top of it and it charges. I can get about 2 full charges for my phone before the charger has to be charged. It is Qi compatible.
This review is from Energizer - Ultimate Lithium 20,000mAh 20W Qi Wireless Portable Charger/Power Bank QC 3.0 & PD 3.0 for Apple, Android, USB Devices - Black
I would recommend this to a friend
Rated 4 out of 5 stars
Speedy charger
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Posted . Owned for 2 weeks when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
I thought this charger would charge my Apple Watch
I would recommend this to a friend
Pros mentioned:
Wireless charging
Rated 5 out of 5 stars
The one to buy !!
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Posted . Owned for less than 1 week when reviewed.
This reviewer received promo considerations or sweepstakes entry for writing a review.
Oversee my expectations Quick to charge in and out with usb C ,light weight ez to carry around, wireless charger works like a champ