In order to teach the world about battery safety, repair specialists iFixit have released a new video of themselves shooting and killing batteries. What's the next thing? Despite the high profile examples of battery explosions that occasionally crop up in the news, modern batteries are generally very safe.
Is there another lesson to be learned? It's cool to shoot a big battery with a nail gun.
The advice from Arthur Shi and Shahram Mokhtari is to always discharge a battery to less than 25 percent before doing any repairs. Although a swelling battery is the most obvious sign that something is wrong, it's actually the amount of charge a battery holds that determines whether a short circuit can create enough heat to cause "thermal runaway"
Shi and Mokhtari stabbed a bunch of batteries to make sure they exploded. When stabbed with a metal screwdriver, an iPhone 12 Pro Max battery on low charge emits smoke and sparks, but when it's fully charged, you're treated to a full on explosion. Arthur Shi says that the batteries were the same. They had the same state of charge.
The risk of punctures and short circuits when removing a battery can be reduced with the use of a plastic spudger. The video calls on manufacturers to stop putting batteries into their devices in order to make repairs and disassemble safer.
iFixit's video came a little over a month after Mrwhosetheboss drew attention to the fact that a number ofsamsung phones in his collection had swelling batteries after having sat unused on his shelf for a number of years.
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