Customer reviews from lenovo.com
Lenovo - Go Power Bank 40ALLG2WWW
Average customer rating
4.1 out of 5
4.1
(47 Reviews)
Open Ratings Snapshot
Rating breakdown 47 reviews
5 Stars
29
4 Stars
6
3 Stars
4
2 Stars
3
1 Star
5
70%of customers recommend this product. 
(
19 out of 27
)
Best Buy Privacy Policy
Customer Reviews for Lenovo - Go Power Bank 40ALLG2WWW
Customer Rating
4 out of 5
4
Extend the T14(2023) for another 3 hours of batter
on December 28, 2023
Posted by: Jackzz
from New York, NY
Verified Purchase:Yes
[This review was collected as part of a promotion.] its smaller and much lighter than I thought, compared with ESR magsafe 10000mah iPhone powerbank, the size is also good, it would be perfect if it also support wireless charging,.
The 3 hours is about 70% screen brightness, wifi and Edge(20tabs+), Teams, office apps running all time.
I would recommend this to a friend!
Written by a customer while visiting lenovo.com
Customer Rating
4 out of 5
4
Close to perfect
on September 15, 2022
Posted by: JohnPF
from Chicago
Verified Purchase:Yes
[This review was collected as part of a promotion.] Nice looking design with the included USB-C cable. Charges my laptop at the full 65w output. Took off a star as it will not charge any of my phones or tablets above 15w. So it seems it does not support USB PD PSS standard.
Does not support:
Samsung - Super Fast Charging
Power Delivery PPS charging (above 15w) for Google Pixel
I would recommend this to a friend!
Written by a customer while visiting lenovo.com
Customer Rating
5 out of 5
5
Expensive But Svelte
on January 25, 2022
Posted by: Buyer of Too Much Tech
from Indiana
Verified Purchase:Yes
[This review was collected as part of a promotion.] This thing is great for the traveler with a USB-C powered ecosystem. The integrated USB-C cable is genius, and long overdue for a large size battery pack. This has managed to replace 2 other battery packs, including a RavPower "20,000 mAh" that doesn't seem to actually be up to its rating...
Now let's talk about the good and the bad:
The Good:
Battery capacity seems accurate based on nonscientific testing of a Galaxy S21 Ultra.
Size is reasonable and helped HUGELY by integrated USB-C cable
The output charging cable can also be used to charge it via USB-C - hallelujah!
Extra USB-C output and USB-A output
The Bad:
This thing is NOT cheap
Battery status indicator should really give more than a 4 dot status at this price level
So, should you buy it? If you don't mind spending the change and really value compactness, I'd so go for it. Or - if like me - you happen to have a bunch of Lenovo rewards dollars sitting around...
I would recommend this to a friend!
Written by a customer while visiting lenovo.com
Customer Rating
3 out of 5
3
Impressive output, confusing UX
on February 19, 2022
Posted by: RHNM
from New Mexico
[This review was collected as part of a promotion.] I bought this power bank to supplement the L13 I use for remote work. It does everything advertised, and my laptop detects that it is "plugged in" when the power bank is connected. This is really all I was hoping for from the device; a convenient and portable solution to ensure I can remain powered while on the road.
With that said, now that I have it in hand, there is some room for improvement on Lenovo's part. The instructions are barebones at best and the LED charging indicators just feel dated.
If you use a low power wall-charger to charge this batter, be warned - you'll think something is wrong because this thing can take forever to charge to 100%. For example, using a 35w warp charger, this PB reported 75% charge for several hours, leading me to think that something was wrong. By comparison, using the 65w charger that came with my laptop charged it up to 100% in a few hours.
It would have been nice to see an LCD or OLED screen with a battery percentage, especially for around $100 (which is what it cost when I purchased). This power bank does the trick, but I am left feeling underwhelmed and like I paid more than I should have.
Solid 60% with a positive leaning from me.
Response from lenovo.comBy Adrian_LenovoCustomer ServiceFebruary 19, 2022
Lenovo appreciates all feedback and thank you for taking the time to rate and review our product! We want our customers to have a superb experience as you help us to continually evaluate our current products and services, and if necessary, change to meet your needs better. We apologize for any inconvenience.

Very Respectfully,
Adrian_Lenovo
Written by a customer while visiting lenovo.com
Customer Rating
3 out of 5
3
Good powerbank but drains itself very fast
on August 27, 2023
Posted by: T105
from New York
[This review was collected as part of a promotion.] It charges up to 3 devices like advertise. But the problem is it will continue to drain the battery without anything plugged in. I tried reading the manual on how to turn off the power bank, but no manual was found just a quick start guide that doesn't say anything about this issue. The battery indicator keeps blinking every few minutes. So even if you charge it fully without plugging anything into it, the battery will drain about 25% each day. I didn't realize this when I bought it. Would not recommend.
No, I would not recommend this to a friend.
Response from lenovo.comBy Poornima _LenovoCustomer ServiceAugust 28, 2023
Thank you for taking time to provide feedback on your experience with our Lenovo product.
We are sorry that you are not satisfied with our Lenovo product. It is our intention to make our product that makes our customers happy. We request you to pass on your concern to our technical team who will see to it that the issue gets fixed as early as possible.
Please try utilizing the following link to assist in increasing your battery life:
https://support.lenovo.com/us/en/solutions/ht069687 (Easy Ways to extend Battery Life)

Please contact our technical support team at
https://support.lenovo.com/us/en/ for further assistance.

Please let us know if this helps!

Your Respectfully,
Poornima_Lenovo
Written by a customer while visiting lenovo.com
Customer Rating
1 out of 5
1
Do not recommend
on April 13, 2023
Posted by: Renee505
from New Mexico
Takes forever to charge and won’t fully charge my laptop, I’m sorry I purchased this product!
No, I would not recommend this to a friend.
Written by a customer while visiting lenovo.com
Customer Rating
5 out of 5
5
perfect match.
on April 11, 2023
Posted by: Workin GiGi
from Texas
Verified Purchase:Yes
[This review was collected as part of a promotion.] Worked perfectly. Needed a new charger for Laptop and its just like the original.
I would recommend this to a friend!
Written by a customer while visiting lenovo.com
Customer Rating
2 out of 5
2
Doesn't power the laptop it was bundled with
on January 2, 2023
Posted by: idSlfisher
from digital nomad
Verified Purchase:Yes
[This review was collected as part of a promotion.] This battery looks great but it doesn't power the laptop it was bundled with, so I don't understand why Lenovo recommended it. I sent it back. I'm sure it's fine for other purposes but I was specifically looking for something to power my laptop.
No, I would not recommend this to a friend.
Response from lenovo.comBy Adrian_LenovoCustomer ServiceJanuary 5, 2023
Lenovo appreciates all feedback and thank you for taking the time to rate and review our product! We want our customers to have a superb experience as you help us to continually evaluate our current products and services, and if necessary, change to meet your needs better. We apologize for your inconvenience.

Very Respectfully,
Adrian_Lenovo
Written by a customer while visiting lenovo.com
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