Hola, I have a OEM battery for a Blackberry, model C-S2. I think it fits the 8300-8500 and 8700 series of BB. I ordered, received it and opened the package before realizing that my 8900 takes diff battery. Unopened meant not able to return. I will be in the states for two weeks starting 16 Aug. FCFS. 73 Tom CX7TT