ZWXJ Laptop Battery EL04XL (14.8V 3400MAH 52WH) for Hp Envy Touchsmart 4 Series Envy4 Envy 4 HSTNN-IB3R TPN-C102 681879-1C1 HQ-TRE 681949-001 681879-541 Brand New from Manufacturer. Rechargeable Up to 500 times over life of battery. Battery type : Li-Polymer Battery, Voltage : 14.8V, Capacity : 52Wh 3400MAH CE-/RoHS-/FCC- Certified and Built-in circuit protection ensure both safety and stability. Fit for : Hp Envy Touchsmart 4 681879-171 681949-001 681879-541 Tpn-c102 Hp Envy Touchsmart 4 Envy4 Envy 4 100% CUSTOMER SATISFACTION GUARANTEE: We believe in Quality and Customer Service, and our top priority is to make you happy. If for whatever reason you are not fully satisfied please CONTACT US and well guarantee to help. We have 12 months warranty on our products. Voltage14.8V Capacity52Wh 3400mah ColorBlack Battery type : Li-polymer Battery