When HN users recommended it
1 HN user recommended this in 2023, in one comment.
20072026
Each tall tick is one HN user's first recommendation. A short tick is the same user again. Click a tick to jump to the comment.
SR521W SR521SW LR521 Alkaline Battery
Amazon's catalog no longer lists this product (checked 2026-11-02). The name comes from the link HN users posted.
> In the consumer space, virtually no battery I've seen in more than a decade is less than 1000mAh.
Behold:
https://www.amazon.com/Panasonic-BK-4MCCA4BA-eneloop-Pre-Cha...
https://www.amazon.com/PANASONIC-BATTERIES-CR1216-LITHIUM-BA...
https://www.amazon.com/SR521W-SR521SW-LR521-Alkaline-Battery...
> People understand there are 1000 meters in a kilometer. I don't think any of this is rocket science.
Yes, but it's one more mental operation, and every mental operation like that is relatively costly. People don't actually have that many slots of working memory. You are optimizing to minimize digits, which is probably the wrong thing.