Techorbits&reg; replacement battery for HP 361909-001 361909-002 372771-001 381374-001 395794-001 395794-002 395794-261 398875-001 398876-001 HSTNN-DB06 HSTNN-DB11 HSTNN-DB29 HSTNN-I04C HSTNN-LB11 HSTNN-OB06 HSTNN-UB11 PB992A PB992UT 8 cell