If you're in the market for a high-end smartphone with a great camera and premium design, the Sony Xperia X is definitely worth considering. However, if you're looking for a device with a larger screen or more advanced features, you may want to look elsewhere.

A concise, structured primer on Sony’s lithium-ion battery use in video cameras and related consumer/pro-sumer video equipment — core concepts, typical Sony features, safety, best practices, and troubleshooting.