ZOLL AED PRO Overview Cost: 3/5 Features : 10/10 Total cost of Ownership (lower is better) : 4/10 Big brother of the ZOLL AED PLUS , the ZOLL AED PRO takes a step up to professional level ALS functionality. Among the best AEDs on the market, the ZOLL AED PRO gets high marks in every area, making it an excellent choice. While it is on the high end when it comes to pricing, it provides features that make it function at the level of many non-portable hospital devices. Its versatility, ruggedness (IP 55), and outstanding features make it well worth considering for most any buyer, whether a lay user or a professional first responder. Like its little brother, the ZOLL AED Plus, it offers “ CPR Help ” with guidance for Basic Life Support (BLS) rescuers while also having advanced capabilities for the Advanced Life Support (ALS) professional. Unlike the AED PLUS, however, with its advanced features comes the requirement of a proprietary battery pack, in non-r...