A guest post collaboration by my friend, Daniel Haworth. Business communications have changed drastically over the years, going from old school analogue landlines to digital PBXs and now on to VoIP phones (and not even using a “phone”, per se). The organization I work for mostly uses Yealink IP phones,

A guest post collaboration by my friend, Daniel Haworth. Terms Milliamp hours (mAh) and Amp hours (Ah) You'll see many battery packs (like this Blitzwolf one) listed at 10,000 milliamp hours. What does this number mean? It means that this battery is capable of providing one amp