Lithium ion batteries; Lead-acid batteries; batteries; Lithium ion capacitors; capacitors; Facilities or systems for storing electric energy comprising two or more electric energy storing means of at least one sort selected from lithium ion batteries, lead-acid batteries and lithium ion capacitors, all sold together as a unit; Facilities or systems for storing electric energy and their parts and accessories using lithium ion batteries, lead-acid batteries or lithium ion capacitors, all sold t...