Top critical review
3.0 out of 5 starsJust be aware of the specs of what you're buying correlate with what you'll use it for
Reviewed in the United States on December 7, 2023
Like all of you who look at this product, I wanted to like these so much! After using for a few months now, I have a couple of lessons learned I'd like to pass on:
1) This product (AAA NiMH) puts out 1.2v for about 80% of its use-cycle. A typical Alkaline counterpart starts at about 1.6v and gradually drops over time as the energy is used. The effect in items like digital clocks, for example, is that the bright, solid display we associate with a nice, new Alkaline battery is traded for the dimmer display of a half-gone Alkaline.
2) NiMH is reputed to develop a "memory effect" if charged repeatedly at half-cycle. Although there is some dispute about how significant it is for batteries with smaller voltages like these.
3) NiMH loses a small percentage of its charge every day even just sitting. It is recommended to use this type of battery in devices that typically get their batteries replaced within about a month or so. In other words, not really designed for low-power devices like clocks, remote controls, emergency flashlights, etc.
4) Even though these are labeled "High-Capacity", their max capacity of 850mAh is the very lowest end of a quality Alkaline version.
All that said, I still like the concept of rechargable batteries and I like this product too for what it was intended for. I just wish I had the knowledge before I actually bought these. Next time I will look for another, better alternative
