YSK: You could easily estimate the charge of AA/AAA battery cells by dropping them vertically on a table from a height of around an inch. Fresh batteries will drop still, while discharged ones will bounce like a ball.

YSK: You could easily estimate the charge of AA/AAA battery cells by dropping them vertically on a table from a height of around an inch. Fresh batteries will drop still, while discharged ones will bounce like a ball.

YSK: You could easily estimate the charge of AA/AAA battery cells by dropping them vertically on a table from a height of around an inch. Fresh batteries will drop still, while discharged ones will bounce like a ball.
from /r/YouShouldKnow