Customer reviews from Tzumi Electronics
Pocket Juice - Slim Pro 20,000mAh, Portable Power Bank and Charger with Dual USB Ports - Black
Average customer rating
4.9
(1,936 Reviews)
Rating breakdown 1,936 reviews
5 Stars
1,822
4 Stars
45
3 Stars
33
2 Stars
11
1 Star
25
90%of customers recommend this product.
(
154 out of
171)
Customer Reviews for Pocket Juice - Slim Pro 20,000mAh, Portable Power Bank and Charger with Dual USB Ports - Black
Customer Rating
5
Ok
on January 14, 2026
Posted by: aeHE37as
Haven’t used it yet, it is fairly heavy though. I will update when possible.
Written by a customer while visiting Tzumi Electronics
Customer Rating
5
Battery backup
on January 14, 2026
Posted by: Sraymond
I bought the device to have More power for backup on cell phones and heating device.
Written by a customer while visiting Tzumi Electronics
Customer Rating
5
Owner
on January 14, 2026
Posted by: fi1niT
Just starting g out using this product
We will see how it does in powering up my products
We will see how it does in powering up my products
Written by a customer while visiting Tzumi Electronics
Customer Rating
5
POCKET JUICE SLIM PRO
on January 12, 2026
Posted by: CPS CHARGER
Haven’t used it yet, but came more than fully charged. Seems like a good product, nice and compact with multiport accessibility.
Written by a customer while visiting Tzumi Electronics
Customer Rating
5
Pocket Juice
on January 12, 2026
Posted by: bb5sUIq
Haven’t tested yet but should be a nice
Backup power solution for travel and emergencies.
Backup power solution for travel and emergencies.
Written by a customer while visiting Tzumi Electronics
Customer Rating
5
Receipt
on January 10, 2026
Posted by: V0ZQmaHG
Just got as a gift so i don’t know how it works. So i’m not sure what to say about it yet. Hopefully it works as it should
Written by a customer while visiting Tzumi Electronics
Customer Rating
5
power
on January 10, 2026
Posted by: cWHVxGi0q
hello not sure what you want have used your before
Written by a customer while visiting Tzumi Electronics
Customer Rating
2
TZumi Pocket Juice 20K mAh
on January 10, 2026
Posted by: B.Ash
This is not a fast charging battery pack. It trickle charges your battery which can lead to your battery overheating.
Written by a customer while visiting Tzumi Electronics