ACER TravelMate 4010 laptop take apart video, disassemble, how to open disassembly - YouTube
Synergy Digital CMOS/BIOS Battery, Compatible with Acer TravelMate 250 CMOS/ BIOS, (Lithium, 3V, 200mAh) Ultra High Capacity, Replacement for HP 417076-001 Battery - Walmart.com