With how much batteries, in general, have gained popularity over the last few decades, engineers and scientists almost never expect regular folks to be clueless about batteries, especially Lithium Polymer Batteries.
The desire of electronic owners remains having a gadget with an appreciable lifespan that will ensure uninterrupted usage, and lithium-ion battery possesses this exclusive attribute hence, earning the love of users.
The best technology of lithium-ion batteries was developed in the twentieth century and you wouldn't believe it was considered as the most moderate success of modern electrochemistry.