It may not be “useful,” but the Magnetic Battery Eater is definitely a fun way to give those AA batteries a geeky sendoff.

After a battery has ceased to power up your gadgets properly, just shove it into the mouth of the Battery Eater and his LED eyeballs will blink until every last bit of juice has been extracted. It’s kind of like the robot equivalent of a nature film where a snake slowly suffocates it’s prey to death.

Price: $6.95

Via: Technabob

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