Valence n. : The degree of combining power of an atom (or radical) as shown by the number of atoms of hydrogen (or of other monads, as chlorine, sodium, etc.) with which it will combine, or for which it can be substituted, or with which it can be compared; thus, an atom of hydrogen is a monad, and has a valence of one; the atoms of oxygen, nitrogen, and carbon are respectively dyads, triads, and tetrads, and have a valence respectively of two, three, and four.

Example:
How to dissemble a Valence and hang curtains close to ceiling?

Taxonomy
Valence Technology, Lithium, Iron, Magnesium Phosphate, Batteries, Energy Storage, Storage Solutions, Markets, swf, company, RSS feed, Financial Results, Technology Reports, Smith Electric Vehicles, technology, Custom Systems, Battery Modules, Cells.

Defination from the web:
Hardware and software interconnect products for PC LAN-based information management systems.