ZTHY Compatible PX03XL Laptop Battery Replacement for HP Envy 14 Touchsmart M6 M6-k K002TX K022DX M6-K010DX M6-K015DX M6-K025DX Series Notebook HSTNN-LB4P TPN-C109 TPN-C110 11.4V 50WH Battery typeLi-ion. Color: Black. Voltage: 11.4V. Capacity: 50Wh. 100% New from Manufacturer. Up to 500 recharge cycles over the life of the battery. Replace Part NumberHSTNN-LB4P 714762-2C1 714762-421 715050-001 714762-1C1 PX03XL Compatible ModelsHP Envy 14 14-k027cl Touchsmart M6 M6-k K002TX K022DX M6-k022dx M6-k012dx M6-K010DX M6-K015DX M6-K025DX M6-K054CA M6-K122DX M6-K125DX Series Laptop SecurityAll ZTHY products are Certified by CE, FCC for safety. Strict guidelines for compatibility, and standards compliance for environment safety. ZTHY Laptop Battery Return PolicyRest assured with 30 days Refund and 12 months Replacement,also get our friendly customer service.