The AMOs pass through a filter, first, to allow the user to exclude a priori materials they might deem not worth considering. For instance, one might need to exclude all the AMOs above a certain energy above the hull threshold, or those operating outside the electrochemical stability window of a given electrolyte. It is worth mentioning that not all the AMOs gathered from the MP have been observed and reported in literature: these phases can appear as virtual intermediate phases of known materials or as fully virtual AMOs, thus making the screening pool potentially very diverse. It is also an option to exclude all the virtual phases, ending up with a more limited pool of only observed materials. The following step combines each AMO with all the others (without repetition), creating a pool of virtual cells composed of a positive and a negative AMO. The positive side being the AM operating with higher average voltage. For each of these virtual cells, VOLTA calculates multiple cell-level descriptors, that can be classified into three categories: the cell feasibility descriptors, the voltaic descriptors and the capacityrelated ones. A complete list of all the descriptors is available in SI, and the main ones will be discussed hereafter. Lastly, the software allows the user to filter the virtual cells and to score them by any of their characteristic, identifying e.g. the ones yielding higher energy density.