Image: Amazon When AmazonBasics launched back in 2009, batteries were among the initial line-up of products—and they’re still one of the best, most classic impulse buys of this white-label brand. Mainly sold in packs ranging from 8 to 300 batteries at extremely affordable prices, they’ve become the go-to value battery brand for day-to-day needs. For example, this pack of 24 AAs and 24 AAAs is less than $17 right now, amounting to just $0.35 per battery. But where do AmazonBasics batteries...