Amazon.co.jp: Plcbatt® New AL22-901 AL23-901 AP23-901 Compatible with Asus Eee PC 901 904 Series Eee PC 1000 Eee PC 1000H Eee PC 1000H Eee PC 1000H : Computers
1 x CMOS Battery BIOS CR2032 3 V 210 MAH with 2 Pin Plug for PC By PKCELL: Amazon.de: Computer & Accessories
Amazon.co.jp: elfin203 BIOS Backup Battery for Laptops 02K6572 Reverse Polarity Type : Computers
Amazon.co.jp: CR2016 Cable with 2PIN Connector for JST1.25mm CMOS BIOS etc for Backup Batteries : Electronics