HP / Compaq 641 / 642 Battery (274779-001) (307132-001)
307132-001 - HP 3.6V Ni-MH Battery Pack for Smart Array Controller Card (274779-001)
Battery : 3.6V battery pack assembly - 500mAh nickel metal hydride (NiMH) - Oval shaped, 12.5mm (0.5in) high, 38mm (1.5in) wide, and 77mm (3.0in) long