CWK New Replacement Laptop Notebook Battery for HP Pavilion dm1-1000 DM1-1001TU dm1-1002tu dm2 HSTNN-OB0N VP502AA HP Mini 311 311-1000 311-1100 311c HSTNN-Q45C HSTNN-IBON 580029-001 HSTNN-IB0N HP Condition: Brand New - Grade A cells Battery Type: Li-ion Voltage: 10.8 Volt (11.1 Volt compatible) Capacity: 5200mAh (Better than 4400mAh) 90 Day Money Back. Buy with confidence!