TWB Premium Grade Generic Laptop Battery For HP ENVY 4-1007TX, EL04XL TWB Batteries are the perfect choice that you can make for your computer. Very affordable, The best quality batteries on the market. Long Life durable Battery for your Laptop Laptop Battery HP ENVY 4-1007TX, EL04XL, HSTNN-IB3R battery Compatible models 4-1000, 4-1001TU NB PC, 4-1001tx, 4-1001TX NB PC, 4-1002TU NB PC, 4-1002TX NB PC, 4-1003TU NB PC, 4-1003TX NB PC, 4-1004TU NB PC, 4-1004TX NB PC, 4-1005TU NB PC, 4-1005TX NB PC, 4-1006TX NB PC, 4-1007TU NB PC, 4-1007TX NB PC, 4-1008TU NB PC, 4-1008TX, 4-1008TX NB PC, 4-1009TU NB PC, 4-1009tx, 4-1009TX NB PC, 4-1010TU NB PC, 4-1010TX NB PC, 4-1011TU NB PC, 4-1011TX NB PC HP Envy Sleekbook, SLEEKBOOK PC 4-1005XX, SLEEKBOOK PC 4-1043CL Original Part Numbers 681879-171, 681879-1C1, 681879-541, 681949-001, EL04XL, HSTNN-IB3R, HSTNN-UB3R, TPN-C102 Package includes: 1x Laptop Battery What's in the box 1 X Laptop Battery