Acer- 6 Cell Battery for Acer eMachines E527 AS09A51 AS09A71 AS09A31 A – E-JOY WHOLESALE
AC Doctor INC Laptop Battery for Gateway NV Series, Battery Part Numbers: AS09A31, AS09A51, AS09A61, AS09A71, 5200mAh/11.1V/6-Cell Laptop Batteries / AC Adapters - Newegg.com