Amazon.com: NEW Laptop/Notebook Battery for Acer Aspire 5520G 5715z 5720 6920g 7720G 7720Z 8920 [ 4400mAh 6 Cells] : Electronics
Amazon.com: DR. BATTERY AS07A31 AS07A51 Laptop Battery Compatible with Acer Aspire 5536 5542 5535 4736G 5735Z 5738 5736G 4710 5740 5735 4310 4535 Series AS07A41 AS07A71 AK.006BT.020 [11.1V/4400mAh/49Wh] : Electronics
Amazon.com: Acer Aspire One Cloudbook, 11-Inch HD, 32GB, Windows 10, Gray (AO1-131-C9PM) includes Office 365 Personal – 1 year **Discontinued by Manufacturer** : Everything Else