LB1 High Performance Battery for HP 593576-001 [8cells 4400mAh] Laptop notebook pc computer for HP HSTNN-W79C-7 18 months warranty LB1 High Performance battery for HP 593576-001 are environmentally friendly and certified by RoHS to be free from mercury - lead - cadmium - PBDE and PBBs. LB1 High Performance&reg; Commercial Grade Laptop Batteries for HP 593576-001 are custom manufactured to be 100% compatible and optimized for your HP 593576-001 laptop. HP 593576-001 High Performance notebook battery utilizes high quality grade "A" cells for higher performance longer life and more reliability. HP 593576-001 High Performance meets and/or exceed OEM specification and will not void your original manufacturer warranty. Fast charging. Low power consumption. Built-in protection circuit ensures both safety and stability. Batteries capacity: 4400 mAh | Chemistry: Li-ion | Voltage: 10.8 Volts | Cells: 6 | wHr: 48. 100% Customer Satisfaction. Fast Same-Day Shipping by 12:00 PM PDT. 30-Day Money Back Guarantee. 18 Months Warranty. Exclusive $100000 Product Protection Plan! Satisfies Government - School - Health care enterprise and Corporate account purchase order requirements.