Lithium Batteries

Lithium Batteries

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I'm normally a pretty frugal person, but I still compulsively buy any R/C aircraft that's less than $30. In the last few years, this has become a problem.

Special 10th anniversary edition of WHAT IF?—revised and annotated with brand-new illustrations and answers to important questions you never thought to ask—coming from November 2024. Preorder here!