The lithium-ion battery inside your Android phone has a limited life span. Every charge-discharge cycle degrades its capacity a little (because the lithium charges zipping around the battery are lost ...
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One-Third of Toys and Household Items With Button-Sized Batteries CR Tested Pose a Hazard to Children
A new law requires more secure battery compartments, but gaps remain. Here’s how to keep your family safe. Button cell, or coin cell, batteries are ubiquitous in toys and household products. They’re ...
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