This Laptop Battery can replace the following part number:
HP
646657-251 646755-001 646757-001 　
HSTNN-DB3B HSTNN-LB3B HSTNN-YB3A 　
HSTNN-YB3B MT03 MT06 　
MTO3 MTO6 TPN-Q101 　
TPN-Q102

This Laptop Battery is also compatible with the following models:
Laptop Computer
HP Mini 210-3000 Series(All) 　
HP Mini 1104 Series 　
HP 3115m Series 　 　
HP Pavilion dm1-4000 Series(All) 　
HP Pavilion dm1-4000er HP Pavilion dm1-4010us 　
HP Mini 2103 Series 　
HP Mini 2104 Series