Features 100% brand new original Li-Ion replacement battery Stay connected with your family and friends by getting extra battery power today This replacement battery has an integrated microchip that prevents overcharging and lengthens battery life Free gift:1 set of repairing tools (for phone model which need tools to open) Type:Original Import (Real Capacity) Cell type: Lithium Ion Polymer Voltage: 3.7V Normal capacity:depends on model. #Oppo #A33 #A35 #A37 #A3S #A57 #A59 #A77 #F1 #Plus #R9 #F5 #N1 #Mini #N1 #N3 #Battery #Bateri #r9s