Customer reviews from coastportland.com
Coast - COAST AAA USB-C Rechargeable Batteries, 1.5V 750mAh, Fast Charge, Cable Included, 4-Pack, ZITHION-X Lithium
Average customer rating
4.3
(46 Reviews)
Rating breakdown 46 reviews
5 Stars
32
4 Stars
4
3 Stars
5
2 Stars
1
1 Star
4
87%of customers recommend this product.
(
39 out of
45)
Customer Reviews for Coast - COAST AAA USB-C Rechargeable Batteries, 1.5V 750mAh, Fast Charge, Cable Included, 4-Pack, ZITHION-X Lithium
Customer Rating
3
Very Useful, Capable Batteries, poor storage life
on August 31, 2026
Posted by: EDCguy
from Camarillo, CA
Gender:Male
These batteries are a great solution to using older AAA lights. Great battery life on a fresh charge; however, they do not maintain their life well in a storage situation. Seem to die or lose charge within a month of storage. If used with a fresh charge they are excellent. The AA version of this has a much better storage life than the AAA. If you are looking for a rechargeable solution to older AAA flashlights, these are a great choice.
I would recommend this to a friend!
Response from coastportland.comBy COAST Expert, Customer Success, August 31, 2026
Thanks for the detailed feedback, and we're glad these have been a great solution for your older AAA lights. Your point about storage life compared to the AA version is helpful, and we'll share this with our product team.
Written by a customer while visiting coastportland.com
Customer Rating
5
Well, they are batteries
on August 24, 2026
Posted by: OldStuntman
from Placerville, CA
Gender:Male
Liked them enough to order more and in different sizes.
I would recommend this to a friend!
Written by a customer while visiting coastportland.com
Customer Rating
1
Zithion-X AAA Does NOT Hold a Charge
on July 24, 2026
Posted by: Jaschew
from SF, CA
Gender:Male
I have 12 Zithion-X AAA batteries that work great when fully charged. However, they do not hold a charge in storage or installed for more than a month. They are completely drained when I need them. I also have 12 AA batteries that work and store fine. Are my AAA batteries defective, or is this typical?
No, I would not recommend this to a friend.
Written by a customer while visiting coastportland.com
Customer Rating
5
I like my Zithion AA and AAA batteries so far
on November 28, 2025
Posted by: BigBob
from New Jersey
Gender:Male
I bought them two weeks ago and they have consistently charged reliably using the included cables
I don't know how they will perform in many different types of devices yet but so far they have performed well.
As far as reviews saying COAST doesn't stand by their products I say Baloney!
Coast has gone above and beyond to make sure all my warranty needs were taken care of
quickly for many years (They have always answered the phone as well)
They even honored a very low price mistakenly listed in a sale email for a high end flashlight. (the wrong Model # was listed by mistake)
They honored the very low price in that sale email, and they consistently stand behind their products
I don't know how they will perform in many different types of devices yet but so far they have performed well.
As far as reviews saying COAST doesn't stand by their products I say Baloney!
Coast has gone above and beyond to make sure all my warranty needs were taken care of
quickly for many years (They have always answered the phone as well)
They even honored a very low price mistakenly listed in a sale email for a high end flashlight. (the wrong Model # was listed by mistake)
They honored the very low price in that sale email, and they consistently stand behind their products
I would recommend this to a friend!
Written by a customer while visiting coastportland.com
Customer Rating
5
Awesome
on July 30, 2025
Posted by: E
from Atl Ga
Gender:Male
I bought a rechargeable light and coast sent me a coupon ! So I bought AAA and AA to upgrade my collection to rechargeable lights instead of paying out the nose for those batteries in store. Do the math .
I would recommend this to a friend!
Written by a customer while visiting coastportland.com
Customer Rating
1
Basically Useless
on June 3, 2025
Posted by: Gallery90
from Southern Oregon
Useful life with these AAA batteries is no better than the worst of those "batteries included" AAAs that you find in imported gadgets. The problem is that once a USB-C socket and the battery management circuit are installed into the container, there isn't much room left for the actual battery cell. Performance in remotes, scales, computer mice, etc. is far worse than NiMH batteries.
Now I have the responsibility of disposing of the batteries in a responsible (and legal) manner. The warehouse retailer I purchased them from no longer carries them so I don't know if they will accept them as waste.
The upside of this is that I've been forced to do a better job of managing my NiMH batteries and chargers.
No, I would not recommend this to a friend.
Written by a customer while visiting coastportland.com
Posted by: Anonymous
Gender:Male
Verified Purchase:Yes
These batteries work very well and the fit size is perfect and they last a good amount of time between charges.
I am very pleased with the performance and I would highly recommend coast rechargeable batteries.
I am very pleased with the performance and I would highly recommend coast rechargeable batteries.
I would recommend this to a friend!
Written by a customer while visiting coastportland.com
Posted by: Anonymous
Gender:Male
Verified Purchase:Yes
So super easy to use and they last like or better than regular alkaline batteries! I also love the fact that you don't have to keep up with some bulky recharging station. Awesome job, once again!
I would recommend this to a friend!
Written by a customer while visiting coastportland.com