Ansmann standard li ion battery packs ansmann 2447 3035 01 the ansmann 2447 3035 01 is a standard li ion battery pack that is based on common standard cellsthe rechargeable battery pack has been un transport test approved un 383 this battery pack has been designed and manufactured by li ion battery experts at ansmann and is pre wired the battery pack is ideal for use right away or for making higher capacity or voltage battery packs by connecting it in parallel or in serial to other ba