What's the difference between battery capacity and battery life?

Left: <a href="https://www.bbc.co.uk/news/articles/c6je85jzk9y7o?at_medium=RSS&amp;at_campaign=rss" rel="noopener nofollow">What&#39;s gone wrong at Nike? How the world&#39;s sportswear giant lost its mojo — www.bbc.com
Center-Left: <a href="https://www.npr.org/2026/10/02/g-s1-146042/foreign-aid-united-states-healthcare-america-first" rel="noopener nofollow">October 1 ushered in a new era in U.S. foreign aid. What&#39;s the plan? Will it work? — www.npr.org
Center-Left: <a href="https://www.axios.com/2026/10/02/brazil-election-lula-flavio-bolsonaro-trump-amazon" rel="noopener nofollow">Brazil&#39;s Lula-Bolsonaro showdown unfolds in Trump&#39;s shadow — with the Amazon at stake — www.axios.com
Right: <a href="https://www.theblaze.com/news/4-charged-in-brutal-road-rage-beating-robbery-of-63-year-old-man-and-attack-was-caught-on-video" rel="noopener nofollow">4 charged in brutal road-rage beating, robbery of 63-year-old man — and attack was caught on video — www.theblaze.com
Right: <a href="https://www.gamespot.com/articles/blizzard-might-finally-be-serious-about-wow-forever-gold-buying-bans-streamer-for-promoting-it/" rel="noopener nofollow">Blizzard Might Finally Be Serious About WoW: Forever Gold Buying, Bans Streamer For Promoting It — www.gamespot.com

Source: www.engadget.com · Section: business-tech · Bias: Center · Published: Sat, 03 Oct 2026 23:45:00 GMT

Battery capacity often plays into battery life, but an impressive capacity stat doesn't translate to excellent battery life.