Specification: Battery model: 33YDH, Battery type: Lithium-ion battery, Voltage: 15.2 volts, Capacity: 56 watt-hours, Battery cells: 4, Package contents: 33YDH battery, 3 screwdrivers of different specifications, certificate, Condition: Brand new, Battery life: 1000+ cycles Compatible P/N: Applicable to Dell 56 amp-hour battery 33YDH. Replacement parts: 33YDH PVHT1 DNCWSCB6106B P30E P30E001 P36E P72F P75F 99NF2 81PF3 081PF3