After 2 years of use my tablet Note 10.1 showed signs of tired at the level of its battery. Difficulty in turn, less .... brief loss of substantial autonomy autonomy that is why I decided to practice his replacement by purchasing this battery. After opening the beast, there is plethora demo on the net for this operation in the rules of art, I find my tablet as on his first day. Caution: this operation is delicate, not complicated at all but needs attention in order not to damage the tablet. I received the battery after a week in secure packaging and is perfectly compatible with the original model. I recommend this product very good quality ...