ATC New Laptop Replacement Battery for HP Pavilion dv6-1000et, COMPAQ: Presario CQ40 Series CQ45 Series CQ50-100 Series CQ50 Series CQ60-100 Series CQ60 Series CQ70 CQ61 Series CQ71 Series Replacement for 462889-121 462889-421 462890-151 462890-161 462890-251