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I want to say it's an anti-boredom device implemented by the mods, but I'm actually gonna give my dad this link.

We call him BatteryBoy because he loves batteries. Every week more arrive. I'm fairly sure we could power the house for a week with them. Even with the tumble drier on. And the TVs.
 
It was a byproduct of some censoring we did in response to spam on the site. I've adjusted our filters slightly, so things should be okay from now on, although previously posted text won't be fixed.

Test: www.batteryuniversity.com
 
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