VI04 Laptop Battery,2600Mah for HP Probook 440 g2 probook 450 g2 Envy G6E88AA G6E88AAABB HSTNN-DB6I 756479-421 Pavilion 15-p000-p099 Pavilion 15-x000-x099 Pavilion 17-f000-f099 Pavilion 17-x000-x099 New Battery type: Li-on; updated quality : samsung cell made ; Capacity: 2600mAh; Cells: 4-cell; Voltage: 14.8V. Compatible with : HP ProBook 450 G2 ,HP ProBook 450 G2 ;HP ENVY 756479-421 756478-851 756745-001 88182750117 G6E88AA G6E88AAABB HSTNN-DB6I HSTNN-DB6K HSTNN-LB6J HSTNN-LB6K EBK battery material: Lithium cobalt oxide material is stabler, safer and more efficient than low-cost lithium manganese oxide materials that often swell, don't last long or even explode due to overheating. A+ Electirc Core:The perfect 1:1 copy size as original battery, perfectly fit for your laptop. ABS shell have excellent heat resistance, wear-resistance and corrosion resistance. EBK Worry-free: 24 x 7 email support, 30 days' refund policy,12-month hassle-free warranty and Lifetime Support Guarantee.