r/batteries↗
Battery technology
For questions, news, and discussion about batteries, cells, chargers, charger/inverters, power banks and UPSs.
87k subscribers534 posts / mo in Sep 2026 (incl. <1% by known bots)472 authors / mosince 2009
r/batteries has 87k members (+42% over the last 12 months). It gets about 534 posts a month from 472 people. Top topics: Battery Issues, Battery & Charger Discussions and Battery Technology.
When to post on r/batteries
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How r/batteries has grown
Subscriber growth
Subscribers over time
Monthly activity
Posts, comments and authors per month
Topics and brands on r/batteries
Top topics
Share of the subreddit's posts
- Battery Issues4.7%
- Battery & Charger Discussions3.4%
- Battery Technology3.1%
- Battery Safety & UPS2.7%
- Battery Issues2.3%
Brands people mention
Most-mentioned brands and sites, last 12 months
- Aliexpress
- eBay
- AliExpress
- Amazon
- 18650BatteryStore
Everything else about r/batteries
Posting rules and account requirements, how often posts get removed, who writes here (age, gender, countries), what people ask for, how they talk, and related subreddits — all in the full report.
Posts and activity for Sep 2026. Members from Reddit's subscriber counts. Read from the same data the app runs on. Our research