LENOGE® Replacement Battery for Samsung Q320, R428, R429, R430, R519, R522, R580, R620, R718, R720, R730, R780, replace the AA batteries PB9NS6B, PB9NC6B AA-AA-PB9NC6W (Electronics)
My original battery being HS I procured this battery on amazon in January. The big drawback is that it has an autonomy of 80 minutes !!! So we can not do much, always have its power cable to reach. So this is not optimum.