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jan 2, 1949 - the alkaline-manganese battery was invented

Description:

a man named Lew Urry developed the small alkaline battery in 1949. alkaline batteries can last for as long as 7 years on the other hand zinc batteries can only last anywhere between 1 to 3 years before becoming unusable

Added to timeline:

10 months ago
0
0
71
battery invention

Date:

jan 2, 1949
Now
~ 70 years ago
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