🔌 Power up fast, last forever—never run out when it counts!
CITYORK’s USB-C rechargeable AA and AAA lithium batteries combine high-capacity 3000mWh and 1200mWh cells with ultra-fast 1-hour Type-C charging, smart LED indicators, and an impressive 1200 recharge cycle lifespan, making them the ultimate eco-friendly power solution for all your everyday devices.
Z**I
Hold its charge well
In a recent years, it has been hard to find a local store that accept recycled batteries. Time for a change the way we use batteries. These batteries is a good find to replace regular 1.5V AAA battery. The rechargeable battery holds its charge very well and saves me from keep throwing away single used counterpart. Time will tell how long it lasts
J**E
Very good product
Good, dependable batteries that if needed can be charged on the go with your tablet or phone charger with ease. Great*****
I**Z
Seems great.
I actually just barely started using these I put them in a harbor freight lantern. I think it's brighter than ever. I like that the USB cord that came with them will charge several at once. Rechargeable batteries makes sense to me, but so does LED bulbs and honestly LEDs have fallen far short on longevity, so time will tell of these are actually good.
H**R
So far so good...
Charged within 2 hours and are working well in my blink doorbell and outdoor xt2. Not causing any issues so far with motion detection, notifications, or recording. Haven't had them in the cameras long enough to see how long they last compared to the energizer lithium disposables, but even if they last less time, they're still saving money and waste. Can't beat the price on these, that's for sure!
F**N
Nice for people who need lots of AAs
We've bought multiple sets of these becasue we have lots of house door locks that use AA's. We keep the spares charging away in o closet (the batteries have a light that blinks while charging, solid when full). They seem to be holding up through many cycles.
J**.
Round 2, Not So Good... Edit, 7 woke up...
Made a purchase a few weeks ago and was impressed so, I ordered more. I honestly expected to see one, maybe 2 out of 8 batteries to be DOA but in this case all 8 of the AA batteries arrived DOA. I gave 5 stars on my first purchase but, 8 out of 8 failed batteries is a bit too much. Just send them back? I barely have time to write this short review...Edit; After leaving the batteries connected for a few hours a few days later 7 of the 8 batteries became active. BMS issue due to low voltage from storage? Will the cell still be viable? Stay tuned to find out...
A**G
Great product
Definitely going to avoid borrowing batteries from one device to another and searching for new batteries.
T**N
Kinda works but not in everything.
Love that you can charge these right from the battery, itself, using USB-C. Love that they come with a power splitter cable to allow four of them to be charged simultaneously from a single USB-A port. Love that they won't explode in my remote controls and other longer-sedentary battery using devices.However, the biggest two issues with these batteries are that I had one as DOA (minor issue) and the plus side terminal (huge issue). The characteristic "bump" of the positive terminal is normally much more pronounced (i.e. "high") in a normal battery. This presents a huge issue for many devices into which I have placed these batteries... for instance, our smart door deadbolts - if I use these, the plus side makes insufficient contact to the battery holder, meaning that it might work or might not. And even if it does, thermal expansion and contraction, coupled with potentially weak spring terminals inside of some devices, mean that the device may fail after an indeterminate time (a day, a week, etc).For some devices, these batteries work just as fine as alkaline batteries, and will likely last far longer and (the biggest thing for me) not leak if unused for long periods of time. Nevertheless, these batteries should simply work, in all devices, as a functional drop-in replacement, and the fact (for me) is that they do not because of this faulty positive terminal issue.
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