VINTRONS Battery fit to HP iPAQ 4350, iPAQ 4300, PE2081BS, 343117-001, PE2080B, iPAQ 4355, iPAQ 4315 Capacity: 3650mAh / 13.50Wh Type: Li-ion Volts: 3.7V Size : 77.30 x 57.77 x 13.35 mm