However, if that unfortunate day comes and that dreaded ticking sound occurs indicating thatthe battery is dead, there are a couple of options at your fingertips: dialing 24/7 mobile battery assistance that will bring a replacement battery.

There's nothing worse than pulling out your power drill for a quick home improvement job and realizingthe battery is dead. By the time it recharges, you've likely lost your DIY motivation.

'The bounce does not tell you whetherthe battery is dead or not; it just tells you whether the battery is fresh," says Daniel Steingart, assistant professor of mechanical and aerospace engineering.

Messages remain whenthe battery is dead or removed.

Whenthe battery is dead in an airplane, the battery needs to be brought back to life with a trickle charger or something similar over a two- to three-hour period.