This is a Brand New Replacement Battery Rechargeable Li-Ion battery for SONY VAIO notebooks. Comaptible SONY Part #: PCGA-BP71, PCGA-BP71A, PCGA-BP1N, PCGABP1N, PCGABP7, PCGABP71, PCGABP71A, A8025837A, PCGA-BP1. PCGA-BP7,For SONY VAIO PCG: 700, 800, F, FX, and SONY XG Series, PCG-700, PCG-705, PCG-705C, PCG-707, PCG-711, PCG-717, PCG-719, PCG-729, PCG-731, PCG-735, PCG-747, PCG-748, PCG-800...