BERLIN—At IFA 2015, Acer has unveiled the intriguing Acer Revo Build, a modular mini PC that that can be upgraded with a series of stackable blocks. The NUC-like base unit, which has a footprint of ...

The new ESS is called the LG Energy Solution enblock S (“energy” and “block” – get it?). The Seoul-based lithium-ion battery giant says it’s easy to install and incorporates “enhanced safety features.

Some people love tinkering with the guts of their PC. Others aren’t so sure. But what happens when someone who’s screwdriver adverse wants to add on their PC? As it happens, yes, there’s the USB bus ...