The AP13B8K battery is compatible with a wide range of Acer Aspire laptops, including the Acer M3, M5, V5, V7 and R5. Replaces these Acer AP13B8K/ AP13B3K part and model numbers AP13B8K AP13B3K 41CP6/60/80 M5-583 M5 R7-571G V5-471PG V5-473G V5-552G V5-552PG-XB09 V5-573 V7-581 V7-581PG M5-583P V5-472 VV5-572 V7-581G V7-582P R7-571 V5-552 V5-481P V7-581P R7-571-53338G75ASS What's in the box 1 X Battery