Interesting Facts About Batteries:

Smoke Detectors mostly chirp in the dead of night because the chemical reaction in batteries slows down when the air get’s colder thus tripping the detectors low battery detector.

There is a battery-powered bell at Oxford University that has been continuously ringing for over 175 years. No one knows what the battery is composed of and no one wants to take the device apart in order to figure it out.

Once the Tesla Gigafactory is operating at 100% capacity, it will churn out more lithium-ion batteries in one year than were produced worldwide in 2013. 

LES1, a satellite that had been abandoned in 1967, recently started transmitting again, after its batteries decayed, shorting the solar panels straight to the electronics.

Disposable electronic cigarettes contain perfectly good rechargeable lithium-ion batteries.

 It is optimal for your lithium-ion smartphone battery to top it off and keep its charge between 40-80%, rather than let it drain 0% and charge it all the way up.

Petroleum companies bought rights to battery patents and sued anyone who used them (with gag orders).

The Germans invented an infrared scope during WWII. A 13-kilogram battery pack was worn on the back, and the scope could be used for 15 minutes at a time. It was codenamed Vampir.

It is possible to make a battery that will last centuries using nuclear waste and artificial diamonds.

If all new cars produced were powered by lithium batteries, the world would run out of lithium in ~30 years.

The 9-volt battery was introduced for improved portable transistorized radios that had lower voltage requirements than the originals.

The iconic Nokia 3310s battery capacity is 3 – 4 times less than an average smartphone today.

The city of Fairbanks, Alaska holds the world’s largest rechargeable battery, which powers the whole city during outages.

Old batteries are recycled into fertilizer to help grow corn.

During the early hours of the Fukushima, nuclear disaster plant employees scavenged car batteries to power essential monitoring equipment in the plant.