
Lithium-ion batteries can store a large amount of energy while remaining small and light, which is why they are used for many everyday devices, from smartphones to electric toothbrushes. — dpa
BERLIN: These days, many devices have a lithium-ion battery, from drills to electric toothbrushes, ebikes to smartphones and notebooks. They can store a large amount of energy while remaining small and light.
They are sensitive, however, and if damaged can release their energy suddenly, bursting into flames or exploding and causing extensive damage.
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